We are working on building a calculator for every computation life throws at you - from the serious to the whimsical.
Compute your A Body Shape Index using waist circumference, BMI, and height to gauge health risk beyond BMI.
Convert between HbA1c percentage and estimated average glucose (eAG) levels for better diabetes management.
Estimate your absolute neutrophil count (ANC) using white blood cell data to understand your immune status.
Complete the short ASRS questionnaire to screen for adult attention deficit hyperactivity disorder.
Compute your U.S. Air Force fitness test score from push-ups, sit-ups, waist measurement, and 1.5-mile run time.
Estimate the probability of infection in a shared indoor space using the Wells-Riley equation.
Estimate the likelihood of experiencing altitude sickness based on elevation, ascent rate, and fitness level.
Calculate the anion gap from electrolyte values to evaluate metabolic acidosis risk.
Compute left and right ankle-brachial index values from systolic blood pressures to assess peripheral artery disease risk.
Design a taper schedule for stepping down antidepressant medication. Enter your starting dose, goal dose, taper duration, and adjustment frequency to see a recommended schedule.
Estimate the likelihood of antimicrobial resistance spreading in a community based on antibiotic usage, compliance, infection control, contact rates, and baseline prevalence.
Calculate a newborn's APGAR score from appearance, pulse, grimace, activity, and respiration values.
Estimate daily caloric needs for extreme cold weather trips based on temperature, distance, and pack weight.
Estimate body fat percentage using the U.S. Army tape test formulas and check compliance with age-based standards.
Estimate your Army Combat Fitness Test score from six event performances and learn how each component contributes to readiness.
Estimate daily arsenic intake from drinking water and rice consumption, compare it against reference dose, and categorize risk.
Estimate cumulative asbestos fiber exposure in fiber-years based on concentration, hours, days, and years.
Calculate the estimated 10-year risk of atherosclerotic cardiovascular disease using age, cholesterol, blood pressure and lifestyle inputs.
Assess alcohol consumption risk with the AUDIT questionnaire to screen for harmful drinking.
Estimate the likelihood of a sleep regression based on your baby's age, wakeups, and routine stability.
Discover the real cost of your bacon obsession. Calculate your bacon calories and the exercise needed to burn them off in a humorous, insightful way.
Calculate the basic reproduction number (R0) for an infectious disease using contact rate, transmission probability, and infectious period.
Estimate daily benzene intake from air concentration, breathing rate, and body weight to evaluate health risk.
Estimate your blood alcohol concentration with our BAC Calculator. Enter drinks consumed, body weight, and time to understand alcohol effects and stay safe.
Quickly gauge eligibility for whole blood donation based on age, weight, hemoglobin level and donation interval.
Determine your blood pressure category and see your mean arterial pressure. Enter systolic and diastolic readings to understand where you stand.
Convert blood sugar values between mg/dL and mmol/L instantly. Understand glucose units and see common conversions.
Check if donor and recipient blood types are compatible for transfusion using ABO and Rh rules. Understand antigen-antibody interactions and learn how universal donors and recipients work.
Estimate your total blood volume using the Nadler formula based on height, weight, and sex.
Estimate melatonin suppression from screen exposure based on brightness, duration, and blue light filtering.
Calculate your Body Mass Index (BMI) easily with our BMI calculator. Enter your weight and height to find out if you're underweight, normal weight, overweight, or obese.
Use this simple BMR calculator to estimate how many calories your body burns at rest each day. Learn about the Mifflin-St Jeor equation and how understanding your basal metabolic rate can guide healthy eating and fitness goals.
Calculate your Basal Metabolic Rate (BMR) quickly. Find out how many calories your body burns at rest to plan your diet and fitness goals.
Compute your Body Adiposity Index (BAI) using hip circumference and height. Learn how BAI compares to BMI and review classification tables for men and women.
Estimate your body fat percentage using the U.S. Navy Method. Enter your height, neck, waist, and hip measurements to get an accurate body fat estimate.
Estimate human body frame size from height and wrist circumference. Includes formulas, tables and guidance on interpreting results.
Calculate body surface area using the simple Mosteller formula. Enter your height in centimeters and weight in kilograms to see your BSA.
Calculate your total body water volume and percentage using the Watson formula. Helpful for athletes and anyone tracking hydration.
Estimate calories burned during boxing workouts by selecting intensity levels and entering your body weight and session duration.
Estimate daily calories for breastfeeding based on weight, height, age, activity level and months postpartum.
Calculate the ratio of blood urea nitrogen to creatinine to help evaluate hydration status and possible kidney issues.
Answer short questions to gauge your risk of job burnout and evaluate potential interventions.
Model residual caffeine before sleep using half-life decay to plan intake and rest timing.
Calculate how many calories you burn during exercise based on activity intensity, your weight, and duration.
Calculate a daily calorie target for losing weight safely. Enter your maintenance calories and desired deficit to see how many calories you should consume.
Calculate your daily caloric needs using the Calorie Intake Calculator. Determine your BMR and TDEE to maintain, lose, or gain weight effectively.
Estimate how many pieces of various candies you can eat before risking a stomach ache based on body weight and sugar content.
Evaluate a bank's capital adequacy ratio using Tier 1 and Tier 2 capital with risk-weighted assets.
Estimate carboxyhemoglobin levels from carbon monoxide concentration and exposure duration.
Determine cardiac output from heart rate and stroke volume using this simple cardiology tool.
Calculate daily protein and fat grams for a carnivore diet based on your calorie target.
Assess carpal tunnel syndrome risk from daily typing hours, breaks, and wrist posture.
Estimate your cat's Body Mass Index to help gauge whether they are underweight, ideal or overweight. Works entirely offline.
Estimate stroke risk in atrial fibrillation using the CHA2DS2-VASc score.
Determine maximum safe exposure time based on measured concentration and permissible limit.
Determine the indoor and outdoor space needed for your flock so chickens stay healthy and productive.
Estimate a child's body mass index percentile using age, sex, height, and weight to see growth chart position.
Estimate daily calorie needs for children based on age, sex, and activity level using dietary guidelines.
Calculate your child's daily screen time and see recommendations based on age and sleep patterns.
Generate a suggested timeline for routine childhood vaccines. Enter a birth date to see recommended dates.
Estimate Child-Pugh class for liver disease using bilirubin, albumin, INR, ascites, and encephalopathy levels.
Estimate cardiovascular risk by comparing your total cholesterol to HDL levels and reviewing guideline-based classifications.
Estimate circadian phase shifts from morning and evening light by comparing melanopic exposure levels.
Estimate how long it takes to adapt to a new time zone using circadian rhythm research. Plan light exposure and sleep shifts for smoother travel.
Use Clark's rule to estimate pediatric medication doses from a standard adult dose and the child's weight.
Estimate your annual premium for coastal flood insurance using property value, coverage amount, deductible, and local risk factors.
Estimate the risk of spilling coffee while walking by comparing your step rhythm to the natural sloshing frequency of a cup.
Calculate monthly and annual electricity costs for operating a cold plunge chiller. Enter wattage, daily runtime, and energy price to budget your cold therapy habit.
Estimate maximum lateral pressure from fresh concrete on vertical formwork based on pour height, placement rate, temperature, and slump.
Compare annual cost and plastic waste between daily disposable and monthly reusable contact lenses, including solution expenses.
Estimate the volume of iodinated contrast needed for diagnostic imaging based on patient weight, dosage rate, and concentration.
Adjust serum calcium levels for abnormal albumin using the standard correction formula and interpret ranges.
Compute the probability that cosmic rays will flip a memory bit over a given period. Explore how altitude, memory size, and soft error rate influence reliability.
Calculate how long a CPAP machine can run on a backup battery based on capacity, power draw, efficiency, and nightly usage.
Compute creatinine clearance using the Cockcroft-Gault equation to evaluate kidney function.
Calculate the CVSS v3 base score for security vulnerabilities by selecting metrics like attack vector, complexity, and impact.
Estimate calories burned during cycling based on distance, time, and body weight using MET intensity levels.
Determine recommended daily fiber grams based on caloric intake and track your meals against that goal.
Estimate your recommended daily iron intake based on age, sex, and life stage. Track dietary iron sources to see if you're meeting the target.
Estimate your optimal daily protein intake based on weight, activity level and fitness goals.
Determine recommended daily water intake based on weight, activity, climate, and altitude while assessing dehydration risk.
Estimate how much water you should drink each day. Enter your body weight to see a recommended daily water intake.
Estimate the likelihood that broadcasting signals attracts hostile attention in a hypothetical cosmic dark forest.
Plan your sodium intake per meal using DASH diet guidelines for healthier eating.
Estimate the likelihood of a data breach by entering workforce size, training frequency, security spending, and past incidents. Explore tips to reduce risk.
Plan gradual sleep schedule shifts before daylight saving time changes.
Find the dew point temperature using air temperature and humidity to gauge comfort and condensation risk.
Estimate your risk of developing type 2 diabetes by entering basic health information and lifestyle factors.
Convert eyeglass prescriptions from diopters to focal length and learn how lens power affects vision correction.
Estimate your dog's Body Mass Index to see whether they are underweight, ideal, or overweight. The tool works entirely offline with simple inputs.
Estimate the probability of dangerous micro-sleeps while driving based on sleep duration, time awake, time of day, and caffeine intake.
Model household dust mite population growth based on humidity, temperature, area, and cleaning interval.
Estimate how often déjà vu experiences might occur each month by combining age, sleep habits, stress level, and novelty of surroundings.
Assess postpartum depression symptoms using the 10-question Edinburgh scale.
Estimate when to swap your electric toothbrush head based on brushing habits and pressure.
Compare long-term costs of electric toothbrushes and manual brushes based on purchase price and replacement intervals.
Estimate calories burned on an elliptical trainer from stride length, cadence, resistance level, duration, and body weight. Includes detailed explanation of MET values.
Compute employee turnover percentage from separations and average staff levels to gauge retention health.
Calculate the optimal desk height for seated or standing work based on your body measurements. Discover ergonomic tips for monitor placement, chair adjustment, and healthy posture.
Determine your espresso extraction yield to fine-tune flavor. Enter dose, beverage weight, and total dissolved solids to calculate how much coffee you pulled from the grounds.
Project cumulative radiation dose inside a shelter after nuclear fallout using initial intensity, protection factor, decay half-life, and stay duration.
Estimate your Fat-Free Mass Index (FFMI) using body weight, height, and body fat percentage. Understand how your lean mass compares to common standards with this FFMI calculator.
Estimate liver fibrosis using the FIB-4 formula with age, AST, ALT, and platelet count to gauge potential scarring.
Estimate your daily fluoride intake from water, toothpaste, and other sources to compare with recommended limits.
Estimate your daily FODMAP load from common food groups to help manage irritable bowel syndrome.
Estimate safe holding times for foods in the temperature danger zone to reduce risk of bacterial growth.
Estimate daily inhaled dose of formaldehyde and compare it to reference dose guidance.
Estimate a simple frailty index by entering the number of health deficits present and the total factors evaluated.
Estimate 10-year coronary heart disease risk using the classic Framingham scoring model.
Estimate 10-year fracture probability using common FRAX risk factors to guide osteoporosis prevention.
Use air temperature and wind speed to estimate how quickly frostbite may occur in extreme cold.
Answer seven questions to calculate your Generalized Anxiety Disorder (GAD-7) score and understand severity levels.
Estimate the glycemic load of your meals using glycemic index and carbohydrate grams.
Calculate the ventilation needs of your greenhouse based on its dimensions and air changes per hour. Optimize plant health with adequate airflow.
Compute daily hand-arm vibration exposure A(8) from tool acceleration and usage time to classify occupational risk.
Estimate microbial reduction from handwashing based on duration and soap efficacy.
Estimate major bleeding risk in atrial fibrillation patients using the HAS-BLED scoring method.
Calculate your health insurance subsidy under the Affordable Care Act (ACA). Quickly estimate your monthly premium subsidy based on household income and family size.
Estimate calories burned during exercise using average heart rate, age, weight, and duration.
Determine personalized heart rate training zones using the Karvonen formula based on age and resting pulse.
Estimate heatwave severity by combining temperature and humidity into a heat index and see when conditions become dangerous.
Estimate calories burned during high-intensity interval training based on your weight, interval structure, and intensity levels.
Estimate calories burned on a hike from distance, elevation gain, and pack weight using MET-based equations.
Compute calories burned while doing household cleaning tasks based on weight, duration, and intensity.
Estimate the force output of a hydraulic cylinder from bore diameter, rod diameter, and fluid pressure. Learn how hydraulics transmit power in machinery.
Determine output force, pressure, and mechanical advantage of a hydraulic press using piston sizes and an applied input force.
Determine if ice is thick enough for walking, skating, or driving based on guideline tables.
Estimate ideal body weight using Devine, Hamwi, Miller, and Robinson formulas. See results in kilograms and pounds.
Answer ten questions to estimate your level of impostor feelings and understand how they impact your work and relationships.
Estimate the ionizing radiation received during airplane travel using altitude, flight duration and solar activity inputs.
Estimate annual radiation dose and lung cancer risk from indoor radon concentration and occupancy.
Project post-mitigation radon concentrations using air exchange rates, mitigation effectiveness, and time, then evaluate the probability of remaining above recommended limits.
Compare calories burned on a stationary bike versus riding outdoors. Adjust weight, speed, and duration to see how terrain and resistance impact results.
Answer seven questions to determine your Insomnia Severity Index (ISI) score and see whether your sleep issues are mild or severe.
Estimate rapid-acting insulin doses using carb counts, current blood glucose, and correction factors.
Estimate your insulin sensitivity factor (ISF) using daily dose and common rules to fine tune correction boluses.
Calculate intravenous drip rate from volume, time, and drop factor for manual infusion sets.
Estimate calories burned while jumping rope by entering jumps per minute, duration, and body weight.
Determine your daily fat, protein, and carb targets for a ketogenic diet based on total calories.
Design a ketogenic meal plan by entering your calorie target and meal count to calculate fat, protein, and carb grams per meal.
Estimate how much kinesiology tape you need for a muscle or joint using measurement and stretch factor.
Measure and record contraction durations and intervals to gauge labor progress without ads or external scripts.
Estimate landslide risk by entering slope angle, soil type, rainfall intensity, and vegetation cover.
Estimate surface coverage of adsorbed molecules using the Langmuir isotherm based on pressure or concentration.
Estimate the probability of losing socks in the laundry over multiple loads and the expected number of lonely singles.
Estimate your low-density lipoprotein (LDL) cholesterol using the Friedewald formula from total cholesterol, HDL, and triglycerides.
Estimate daily lead intake from drinking water and compare to a health-based reference dose.
Plan carbohydrate, protein, and fat grams for a lean bulking diet using calorie targets and macro percentages.
Estimate your remaining years and projected age at death with this Life Expectancy Calculator accounting for lifestyle factors.
Estimate the annual probability of being struck by lightning using local storm data.
Estimate the loading dose needed to quickly achieve a target drug concentration using volume of distribution and bioavailability.
Break down your daily calories into carbs, protein, and fat. Enter your calorie target and macro percentages to get grams for each nutrient.
Calculate your USMC Physical Fitness Test score using pull-ups, crunches, and a 3-mile run. Learn how each event contributes to your Marine PFT total.
Track calories for breakfast, lunch, dinner, and snacks to understand your daily energy intake.
Estimate how far a gas molecule travels between collisions using temperature, pressure, and molecular diameter.
Determine how long to smoke brisket, pork, ribs, chicken or fish and how much wood fuel you need based on weight and smoker temperature.
Compute medication dosage using patient weight and drug concentration. Always consult a healthcare professional before use.
Estimate remaining drug potency after expiration using time and storage temperature.
Calculate remaining medication level after a given time using half-life principles and plan dosing intervals.
Calculate daily macronutrient targets for a Mediterranean diet using typical calorie ratios for carbohydrates, proteins, and fats.
Estimate the Model for End-Stage Liver Disease (MELD) score from lab values to gauge transplant urgency.
Compare annual costs of reusable menstrual cups with disposable pads or tampons to see long-term savings and environmental impact.
Estimate mercury intake from fish meals and compare to health guidelines.
Estimate your metabolic age by comparing your basal metabolic rate (BMR) to population averages. Enter age, gender, weight, and height to see how youthful your metabolism is.
Estimate your risk of metabolic syndrome by checking key health markers including waist circumference, triglycerides, HDL cholesterol, blood pressure, and fasting glucose.
Project bone density over a space mission by combining baseline density, exercise regimen, drug effectiveness, gravity level, and mission duration.
Estimate required nanoparticle mass for targeted drug delivery based on patient weight and loading efficiency.
Discover the ideal nap length for optimal rest and productivity. Calculate the best time to nap without waking groggy using our Nap Duration Calculator.
Estimate your Navy Physical Readiness Test score using simplified models for push-ups, plank, and the 1.5-mile run.
Track net carbohydrate intake by subtracting fiber and sugar alcohols from total carbs. Useful for ketogenic or low-carb diets.
Calculate your personal net worth by tallying assets and subtracting liabilities.
Estimate daily nitrogen dioxide intake from air concentration, breathing rate, exposure time, and body weight to assess inhalation risk.
Determine how long you can safely stay in loud environments based on sound level.
Calculate daily noise dose and potential hearing loss risk based on sound level and exposure duration.
Determine non-HDL cholesterol by subtracting HDL from total cholesterol and learn why this number matters.
Create a custom nutrition facts label by entering grams of carbohydrates, protein, and fat. Perfect for meal prep and recipe analysis.
Estimate cumulative noise dose and time-weighted average for up to three exposure levels using OSHA methodology.
Calculate your daily omega-3 to omega-6 intake ratio and learn why this balance is important for health.
Use our Ovulation Fertility Calculator to estimate your most fertile days and increase your chances of conception. Simple and easy to use.
Estimate inhaled ozone dose and hazard quotient from air concentration, breathing rate, exposure time, and body weight.
Determine daily macronutrient goals for a paleo diet based on your calorie target and preferred carb ratio.
Answer 20 questions to compute your PCL-5 score and gauge potential PTSD severity.
Estimate childhood weight and height percentiles using a simplified BMI approach. Ideal for parents and caregivers monitoring growth trends.
Create a personalized timeline of prenatal pediatric interviews and well-baby visits from birth through early childhood. Enter a due date or birth date to map out every pediatrician checkup.
Complete the 10-question Perceived Stress Scale survey to gauge how stressful you find situations in your life.
Estimate daily pesticide intake from water and food consumption and compare to reference dose with a hazard quotient.
Estimate your dog or cat's daily calorie requirements based on weight and activity level.
Estimate daily caloric requirements for dogs and cats based on weight, species, and life stage using veterinary nutrition formulas.
Estimate PFAS intake from drinking water and compare to health reference dose.
Calculate your PHQ-9 depression score to understand symptom severity and discuss results with a professional.
Calculate calories burned during Pilates sessions by selecting style, duration, and body weight.
Determine ideal pillow thickness based on body measurements and sleep position.
Determine the required thrust block area to resist pipe bend forces based on internal pressure, bend angle, pipe diameter and allowable soil bearing.
Calculate pressure drop in a pipe using flow rate, diameter, length, roughness, and fluid properties.
Complete the official PSQI questionnaire to evaluate sleep quality over the past month and receive a total score interpretation.
Create personalized polyphasic sleep schedules by dividing total sleep hours into multiple sessions. Explore common patterns and the math behind distributed rest.
Calculate recommended potassium intake based on age and sex and compare it with your current diet.
Estimate daily calorie requirements during pregnancy using the Mifflin-St Jeor equation, activity levels, and trimester-specific energy needs.
Estimate your baby's due date using the first day of your last menstrual period. Calculates conception and trimester milestones.
Estimate your pregnancy due date with our reliable calculator. Use your last menstrual period (LMP) or conception date to plan your journey to parenthood.
Track recommended pregnancy weight gain week by week based on your pre-pregnancy BMI and see if you're on target.
Compare monthly and annual costs of brand-name medications versus generic alternatives based on dosage and price per pill.
Convert pressures between pascals, bars, atmospheres, pounds per square inch and more with this online pressure converter.
Estimate prostate cancer risk using age, PSA level, and family history. Learn how screening factors combine into a risk score.
Estimate how much protein you should eat each day based on your body weight. Ideal for fitness planning and healthy dieting.
Calculate corrected QT interval (QTc) using Bazett and Fridericia formulas to evaluate arrhythmia risk.
Determine absorbed dose from radiation intensity and time of exposure. Learn about sieverts, health guidelines, and typical sources.
Calculate the material thickness required to reduce radiation intensity using the exponential attenuation formula.
Estimate lifetime lung cancer risk from indoor radon levels and smoking status using EPA guidance.
Compute mean corpuscular volume (MCV), mean corpuscular hemoglobin (MCH), and mean corpuscular hemoglobin concentration (MCHC) from blood count values.
Calculate your Relative Fat Mass (RFM) using height and waist measurements. Get a quick body composition estimate and learn how RFM compares to BMI.
Evaluate sliding and overturning safety factors for a gravity retaining wall subject to lateral earth pressure.
Estimate calories burned on an indoor rowing machine using your distance, time, and body weight. Learn about splits, stroke mechanics, and MET values.
Calculate total body surface area burned using the Rule of Nines method.
Estimate calories burned while running based on your distance, time, and body weight using research MET values.
Calculate the approximate ground reaction force generated with each running step using body weight, speed, and stride rate.
Answer a brief questionnaire to estimate your risk of seasonal affective disorder and explore strategies for brighter moods.
Estimate equivalent cigarette exposure and relative risk from secondhand smoke based on cigarettes nearby, room ventilation, and time.
Estimate time-weighted average respirable crystalline silica and cumulative exposure to understand occupational risk.
Estimate your skeletal muscle mass index using weight, body fat percentage, and height. Useful for athletes and fitness enthusiasts.
Assess your likelihood of obstructive sleep apnea using the clinically validated STOP-BANG questionnaire. Determine your risk category based on symptoms and measurements.
Discover optimal bedtimes based on your desired wake-up time. This Sleep Cycle Calculator helps you align with 90-minute sleep cycles for better rest.
Measure how much sleep you miss each week and plan recovery with this simple Sleep Debt Calculator.
Estimate how many days it will take to repay accumulated sleep debt by comparing required rest, actual sleep, and planned catch-up hours.
Estimate your nightly restfulness by entering sleep duration, awakenings, time to fall asleep, and snoring level. Discover tips to improve sleep hygiene.
Gauge your phone's battery health by entering charge cycles, age, and average temperature. Learn how usage patterns affect capacity over time.
Calculate smoking pack years from cigarettes per day and years smoked. Learn how pack years relate to lung disease risk and see risk categories.
Estimate the monthly cost of smoking cigarettes versus vaping e-liquid and devices.
Estimate potential health risks associated with prolonged social isolation by combining weekly interactions, network size, and hours spent alone.
Evaluate improvements in speech rate and disfluency reduction for speech therapy.
Compute stake distribution for two-outcome sports betting arbitrage opportunities using decimal odds.
Estimate calories burned while climbing stairs or using a stair-stepper by entering steps, step height, time, and body weight. Learn how step rate influences MET values and energy use.
Estimate extra calories burned each day by switching from sitting to standing. Enter your weight and standing hours to see the impact.
Convert your daily step count into distance traveled in miles and kilometers using stride length.
Estimate obstructive sleep apnea risk using the STOP-BANG questionnaire. Enter simple health data and learn how the score relates to sleep apnea severity.
Evaluate your mental tension with our Stress Level Calculator. Rate common stress factors and discover tips for managing stress.
Estimate relative dental caries risk from frequency of sugary snacks, brushing delay, fluoride use, and saliva neutralization.
Find out how long you can stay in the sun before burning by entering the UV index, your skin type, and sunscreen SPF. Learn tips to protect your skin and enjoy the outdoors.
Estimate calories burned while swimming using stroke type, duration, and body weight with MET values for popular strokes.
Calculate your target heart rate zones for optimal fitness and exercise intensity. Use our Target Heart Rate Calculator for personalized recommendations.
Estimate the total financial and time cost of telemedicine appointments compared to traditional office visits.
Calculate how many calories your body expends digesting meals based on protein, carbohydrate, and fat intake.
Compute hoop and longitudinal stresses for cylindrical or spherical thin-walled pressure vessels.
Estimate the probability of causing a temporal paradox during time travel experiments.
Calculate the recommended tire pressure based on temperature differences. Keep your tires properly inflated for safety and fuel efficiency.
Estimate daily calories burned using the Mifflin-St Jeor equation and activity multipliers, then explore nutrition strategies in an extensive guide.
Estimate calories burned on a treadmill by entering speed, incline, time and body weight.
Calculate the ratio of triglycerides to HDL cholesterol to evaluate cardiovascular risk.
Estimate how long to expose a surface to a UV-C lamp to reach a target germicidal dose based on lamp power, distance, and desired dose.
Estimate potency loss and failure risk when vaccines experience temperature excursions using duration, temperature, and sensitivity.
Calculate safe outdoor minutes for vampires using sunlight intensity, sunscreen strength, and cloak coverage. A humorous yet handy guide for nocturnal beings.
Design a balanced vegan meal plan by calculating your daily carbohydrate, protein, and fat intake from calories.
Generate a simple pacing plan for your marathon training. Enter your goal finish time and number of weeks to get recommended pace adjustments.
Estimate calories burned while playing active VR games. Input your weight, session length, and activity intensity to see the total energy expenditure. Learn how to plan and monitor VR workouts.
Estimate the minutes of sun exposure needed for vitamin D based on skin type, UV index, and how much skin you expose.
Estimate your VO2 max using age and resting heart rate. Learn what VO2 max means and how it relates to cardiovascular fitness.
Estimate your risk of motion sickness when using a VR headset. Enter session length, frame rate, field of view, and your personal sensitivity.
Compute your waist-to-height ratio to evaluate health risks associated with central obesity.
Calculate your waist-to-hip ratio to evaluate central obesity and understand how body fat distribution influences health.
Estimate calories burned while walking based on distance, time, and body weight using research-based MET values.
Estimate a new weekly warfarin dose based on current INR and target INR. Always consult your clinician before changing medications.
Compute wet bulb globe temperature and evaluate heat stress risk using work-rest guidance.
Predict how long your smartwatch or fitness band will last on a charge based on capacity and usage.
Estimate calories burned during weight lifting sessions based on duration, body weight, and intensity using MET values.
Estimate your daily calorie deficit and potential weekly weight loss using this Weight Loss Calorie Deficit Calculator.
Estimate how long it may take to reach your goal weight based on a daily calorie deficit.
Calculate Weight Watchers style points from calories, fat, and fiber to plan meals within your daily allowance.
Use the Wells score calculator to evaluate the probability of deep vein thrombosis by selecting common clinical criteria.
Estimate how long you should rest after a workout based on intensity, duration, sleep, and nutrition.
Evaluate obsessive-compulsive disorder severity with the 10-item Y-BOCS questionnaire.
Estimate calories burned during yoga sessions by selecting style, duration, and body weight. Learn how different yoga practices translate to MET values and energy expenditure.
Calculate how long your yoga mat will last based on session frequency, intensity, and mat quality.
Convert daily calorie targets into Zone Diet blocks and macro grams for precise meal planning.