Health cluster
Body Metrics Calculators
Body metrics calculators for BMI, body fat, lean mass, waist ratios, surface area, and related measurements that turn basic inputs into screening context.
Top calculators
A short starting set for the most common body metrics calculators workflows.
BMI Calculator - Calculate Your Body Mass Index
Use this BMI calculator to estimate your Body Mass Index from your height and weight in metric or imperial units, see your weight category, and explore healt...
Body Fat Percentage Calculator (U.S. Navy Method + Calories)
Use this free body fat percentage calculator based on the U.S. Navy Method. Enter your height, neck, waist, and hip measurements to estimate body fat, lean m...
Ideal Body Weight Calculator | Devine, Hamwi, Miller, and Robinson IBW Formulas
Calculate ideal body weight using the Devine, Hamwi, Miller, and Robinson formulas. Compare IBW estimates by height and reference sex, review MathML formulas, and play an optional mini-game.
Lean Body Mass Calculator - Multiple Formula Comparison
Estimate your lean body mass using the Boer, James, and Hume equations. Compare results and understand how body composition influences fitness and health.
Body Surface Area (BSA) Calculator (Mosteller & Du Bois)
Estimate body surface area (BSA) using the Mosteller or Du Bois formula. Enter height and weight in metric or imperial units, and optionally calculate a dose in mg/m².
Waist-to-Height Ratio Calculator - Assess Body Fat Risk
Compute your waist-to-height ratio to evaluate health risks associated with central obesity.
Waist-to-Hip Ratio Calculator - Assess Body Shape Risk
Calculate your waist-to-hip ratio to evaluate central obesity and understand how body fat distribution influences health.
Fat-Free Mass Index Calculator - Gauge Lean Muscle
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.
All calculators in this cluster
Browse 76 calculators matched to this topic, or return to the Health category.
A Body Shape Index (ABSI) Calculator - Assess Central Obesity Risk
Compute your A Body Shape Index using waist circumference, BMI, and height to gauge health risk beyond BMI.
APGAR Score Calculator (1, 5, 10 Minutes) – Newborn Assessment & Interpretation
Calculate an APGAR score at 1, 5, or 10 minutes by selecting Appearance, Pulse, Grimace, Activity, and Respiration. Get the total (0–10) and a plain-language interpretation.
Army Body Fat Calculator (ABCP Tape Test) — Estimate %BF and Standards
Estimate body fat percentage using the U.S. Army ABCP tape test formulas (male/female) and compare results to age-based maximum allowable standards.
Arsenic Exposure Risk Calculator - Estimate Ingestion Hazard
Estimate daily arsenic intake from drinking water and rice consumption, compare it against reference dose, and categorize risk.
Basal Metabolic Rate (BMR) Calculator – Calories Burned at Rest
Estimate your Basal Metabolic Rate (BMR)—the calories your body burns at rest. Use weight, height, age, and sex at birth to get a quick BMR estimate and inte...
Benzene Exposure Risk Calculator - Estimate Inhalation Hazard
Estimate daily benzene intake from air concentration, breathing rate, and body weight to evaluate health risk.
Blood Alcohol Content (BAC) Calculator - Estimate Your Level
Estimate your blood alcohol concentration with our BAC Calculator. Enter drinks consumed, body weight, and time to understand alcohol effects and stay safe.
Blood Volume Calculator - Estimate Total Circulating Volume
Estimate your total blood volume using the Nadler formula based on height, weight, and sex.
BMI Calculator - Calculate Your Body Mass Index
Use this BMI calculator to estimate your Body Mass Index from your height and weight in metric or imperial units, see your weight category, and explore healt...
BMR Calculator - Estimate Your Basal Metabolic Rate
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.
Body Adiposity Index (BAI) Calculator | Estimate Body Fat from Hip and Height
Use this Body Adiposity Index calculator to estimate body fat from hip circumference and height, review male and female BAI categories, learn the formula, and understand when BAI is useful.
Body Fat Percentage Calculator (U.S. Navy Method + Calories)
Use this free body fat percentage calculator based on the U.S. Navy Method. Enter your height, neck, waist, and hip measurements to estimate body fat, lean m...
Body Frame Size Calculator | Estimate Small, Medium, or Large Build
Estimate body frame size from height and wrist circumference using male or female threshold sets. Includes measurement guidance, formulas, worked examples, interpretation tips, and an optional mini-game.
Body Recomposition Timeline Calculator | Estimate Muscle Gain & Fat Loss Timeline
Estimate a realistic body recomposition timeline (muscle gain + fat loss) based on your current weight, body fat %, target body fat %, and training experience. Includes formulas, assumptions, and a worked example.
Body Surface Area (BSA) Calculator (Mosteller & Du Bois)
Estimate body surface area (BSA) using the Mosteller or Du Bois formula. Enter height and weight in metric or imperial units, and optionally calculate a dose in mg/m².
Body Type Calculator – Find Your Ectomorph, Mesomorph, or Endomorph...
Use this body type calculator to see if you lean ectomorph, mesomorph, or endomorph and learn what that means for your training and nutrition approach.
Body Water Percentage Calculator - Estimate Hydration Levels
Calculate your total body water volume and percentage using the Watson formula. Helpful for athletes and anyone tracking hydration.
Boxing Calories Burned Calculator (MET-Based Estimate)
Estimate calories burned from boxing using METs. Enter weight, duration, and intensity (bag work to sparring/competition) for a quick kcal estimate.
Calorie Deficit Calculator | Daily Calorie Target and Weight-Loss Timeline
Estimate a practical daily calorie target for weight loss using your maintenance calories, planned calorie deficit, and an optional pounds-to-lose goal.
Candy Stomach Ache Calculator | Estimate Candy Sugar Threshold by Weight
Estimate a rough short-term candy sugar threshold by body weight and see approximate piece counts for common sweets. Educational only; not medical advice.
Cat BMI Calculator | Estimate Your Cat's Body Mass Index
Use this cat BMI calculator to estimate your cat's body mass index from weight and nose-to-tail-base length, understand the BMI category, and learn how to interpret the result alongside veterinary body-condition checks.
Child BMI Percentile Calculator | Pediatric BMI by Age and Sex
Use this child BMI percentile calculator to estimate pediatric BMI, percentile, and weight category from age, sex, height, and weight using CDC-style reference points for ages 2 to 20.
Clark’s Rule Pediatric Dosage Calculator (Weight-Based Estimate)
Estimate a child’s dose from an adult dose using Clark’s Rule and the child’s weight. Includes formula, worked example, and clear safety limitations.
Cycling Calorie Burn Calculator - Estimate Calories Burned While Riding
Use this cycling calorie burn calculator to estimate calories burned from your ride using distance, time, speed-based MET values, and body weight in metric or imperial units.
Daily Protein Intake Calculator - Personalized Recommendations
Estimate your daily protein target in grams based on body weight, activity level, and goal (maintenance, fat loss, or muscle gain). Includes per‑kg guidance...
Daily Water Intake & Dehydration Risk Calculator
Estimate your daily water needs and dehydration risk based on weight, activity level, temperature, altitude, and actual intake. Educational tool only; not me...
Daily Water Intake Calculator - Stay Properly Hydrated
Estimate how much water you should drink each day. Enter your body weight to see a recommended daily water intake.
Diabetes Risk Score Calculator - Assess Potential Type 2 Risk
Use this type 2 diabetes risk score calculator to estimate your likelihood of developing diabetes based on age, BMI, family history, and activity level. See...
Dog BMI Calculator - Monitor Your Pet's Weight
Estimate your dog's Body Mass Index to see whether they are underweight, ideal, or overweight. The tool works entirely offline with simple inputs.
Elliptical Calorie Burn Calculator - Stride and Resistance
Estimate calories burned on an elliptical trainer from stride length, cadence, resistance level, duration, and body weight. Includes detailed explanation of MET values.
Fat-Free Mass Index Calculator - Gauge Lean Muscle
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.
Formaldehyde Exposure Risk Calculator
Estimate daily inhaled dose of formaldehyde and compare it to reference dose guidance.
Heart Rate Calorie Burn Calculator (HR Calories) | Estimate Calories From Pulse
Estimate calories burned from average heart rate, age, weight, duration, and sex. Uses research-based equations and supports kg or lbs with automatic conversion.
HIIT Calorie Burn Calculator | Estimate Interval Training Calories
Estimate calories burned during high-intensity interval training using body weight, interval count, work duration, recovery duration, and MET values for each phase.
Hiking Calorie Burn Calculator (Distance, Elevation, Pack Weight)
Estimate calories burned while hiking using distance, time, elevation gain, body weight, and pack weight. Includes MET-based formula, assumptions, a worked example, and practical planning tips.
Ideal Body Weight Calculator | Devine, Hamwi, Miller, and Robinson IBW Formulas
Calculate ideal body weight using the Devine, Hamwi, Miller, and Robinson formulas. Compare IBW estimates by height and reference sex, review MathML formulas, and play an optional mini-game.
Jump Rope Calorie Burn Calculator - Skip Energy Estimator
Estimate calories burned while jumping rope by entering jumps per minute, duration, and body weight.
Lead Exposure Risk Calculator – Estimate Dose from Drinking Water
Use this lead exposure risk calculator to estimate daily lead intake from drinking water per kg of body weight and compare it to a health-based reference dose.
Lean Body Mass Calculator - Multiple Formula Comparison
Estimate your lean body mass using the Boer, James, and Hume equations. Compare results and understand how body composition influences fitness and health.
Lean Bulk Macro Planner – Plan Protein, Carbs & Fats for Muscle Gain
Use this lean bulk macro planner to turn your calorie surplus into exact daily and per‑meal protein, carb, and fat gram targets for controlled muscle gain.
Medical Procedure Recovery Timeline Planner | AgentCalc
Use this medical procedure recovery timeline planner to estimate typical recovery milestones after common procedures, including return to light activity, work, driving, exercise, and practical full recovery.
Medication Dosage Calculator - Weight Based Guidance
Compute medication dosage using patient weight and drug concentration. Always consult a healthcare professional before use.
Medication Drug Interaction and Dosage Validator
Check common drug-drug interactions, validate medication dosages by age/weight, identify contraindications, and assess interaction severity levels for informed medication safety.
Mercury Exposure Risk Calculator - Fish Consumption Dose
Estimate your mercury exposure from fish consumption and compare it to health-based reference doses. This educational calculator estimates daily intake and a...
Metabolic Age Calculator - Compare Your BMR to Age Norms
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.
Nanomedicine Dosage Calculator | Estimate Nanoparticle Mass and Injection Volume
Estimate active drug dose, required nanoparticle mass, and injection volume from body weight, mg/kg dose, drug loading, and formulation concentration. This nanomedicine dosage calculator is for research planning and education, not clinical decision-making.
Nitrogen Dioxide Exposure Risk Calculator - Estimate Inhalation Hazard
Estimate daily nitrogen dioxide intake from air concentration, breathing rate, exposure time, and body weight to assess inhalation risk.
Oral Rehydration Therapy Planner
Build a 24-hour oral rehydration therapy schedule tailored to weight, dehydration severity, and ongoing fluid losses.
Ozone Exposure Risk Calculator - Estimate Respiratory Dose
Estimate inhaled ozone dose and hazard quotient from air concentration, breathing rate, exposure time, and body weight.
Pediatric Growth Percentile Calculator - Track Child Development
Estimate childhood weight and height percentiles using a simplified BMI approach. Ideal for parents and caregivers monitoring growth trends.
Pediatric Medication Dosage Calculator - Weight-Based Dosing Reference
Calculate weight-based medication doses for pediatric patients based on body weight and standard dosing references.
Pesticide Exposure Risk Calculator - Estimate Daily Intake
Estimate your daily pesticide intake from drinking water and food, and compare it to a reference dose using a hazard quotient to screen potential exposure co...
Pet Calorie Needs Calculator - Daily Energy for Dogs and Cats
Estimate daily caloric requirements for dogs and cats based on weight, species, and life stage using veterinary nutrition formulas.
PFAS Exposure Risk Calculator - Drinking Water Intake
Use this PFAS Exposure Risk Calculator to estimate your potential PFAS intake from drinking water, adjust for body weight, and compare to an example health-b...
Pilates Calorie Burn Calculator
Calculate calories burned during Pilates sessions by selecting style, duration, and body weight.
Pregnancy Weight Gain Tracker - Monitor Healthy Progress
Track recommended pregnancy weight gain week by week based on your pre-pregnancy BMI and see if you're on target.
Relative Fat Mass (RFM) Calculator — Estimate Body Fat % from Height & Waist
Use this Relative Fat Mass (RFM) calculator to estimate body fat percentage from height and waist circumference. Includes the RFM formula, measuring tips, worked examples, interpretation ranges, limitations, and an optional mini-game.
Rowing Machine Calorie Burn Calculator (Erg/Indoor Rowing) | AgentCalc
Estimate calories burned on a rowing machine from distance, time, and body weight. See pace, 500 m split, MET level, formulas, a worked example, and an optional rowing mini-game.
Running Calorie Burn Calculator - Estimate Energy Use
Estimate calories burned while running based on your distance, time, and body weight using research MET values.
Running Impact Force Calculator - Estimate Stress on Your Joints
Estimate running impact force and joint load from your weight, speed, and cadence. See forces in body‑weight multiples to help manage injury risk and trainin...
Skeletal Muscle Mass Index Calculator - Assess Muscularity
Estimate your skeletal muscle mass index using weight, body fat percentage, and height. Useful for athletes and fitness enthusiasts.
Sleep Apnea Risk Calculator | STOP-BANG Screening Tool
Estimate obstructive sleep apnea screening risk with the STOP-BANG questionnaire. Review symptoms, BMI, age, neck circumference, and a clear low, intermediate, or high risk result.
Stair Climber Calorie Burn Calculator - Estimate Calories From Steps, Time, and Weight
Use this stair climber calorie burn calculator to estimate calories burned from total steps, step height, workout time, and body weight. Learn how cadence affects MET values, review preserved MathML formulas, follow worked examples, and understand the assumptions behind the estimate.
Standing Desk Calorie Burn Calculator (Standing vs Sitting)
Estimate extra calories burned by standing instead of sitting. Enter your weight (kg) and standing hours/day to calculate the daily calorie difference (MET-b...
Swimming Calorie Burn Calculator (MET-Based) | Estimate Calories by Stroke
Estimate calories burned while swimming using stroke type, duration, and body weight. Uses MET values for common strokes and shows kcal and kJ results instantly in your browser.
Total Daily Energy Expenditure (TDEE) Calculator
Estimate Basal Metabolic Rate (BMR) and Total Daily Energy Expenditure (TDEE) in kcal/day using the Mifflin–St Jeor equation and standard activity multipliers. Includes formulas, a worked example, assumptions, and practical guidance for setting calorie targets.
Trimester Pregnancy Weight Gain Goal Calculator | Maternity Planning
Calculate recommended pregnancy weight gain by trimester based on pre-pregnancy BMI. Track healthy weight progression during pregnancy.
Waist-to-Height Ratio Calculator - Assess Body Fat Risk
Compute your waist-to-height ratio to evaluate health risks associated with central obesity.
Waist-to-Hip Ratio Calculator - Assess Body Shape Risk
Calculate your waist-to-hip ratio to evaluate central obesity and understand how body fat distribution influences health.
Walking Calorie Burn Calculator – Research‑Based Energy Estimate
Estimate calories burned on your walk using distance, time and body weight. This calculator applies research‑based MET values to give an approximate energy u...
Weight Lifting Calorie Burn Calculator | Estimate Calories Burned During Strength Training
Use this weight lifting calorie burn calculator to estimate calories burned during strength training based on active lifting time, body weight, and workout intensity using MET values.
Weight Loss Calorie Deficit Calculator | Estimate TDEE, Deficit, and Weekly Weight Change
Use this Weight Loss Calorie Deficit Calculator to estimate your BMR, TDEE, daily calorie deficit or surplus, and projected weekly weight change based on your intake and activity level.
Weight Loss Timeline Calculator - Estimate Goal Date
Use this Weight Loss Timeline Calculator calculator to estimate results and understand the formulas with a worked example, a comparison table, and clear limi...
Weight Watchers Points Calculator - Estimate Food Points
Estimate classic Weight Watchers style food points from calories, fat, and fiber with a transparent browser-based formula.
Wells Score for DVT - Estimate Deep Vein Thrombosis Risk
Use the Wells score calculator to evaluate the probability of deep vein thrombosis by selecting common clinical criteria.
Yoga Calorie Burn Calculator - Style Intensity Estimate
Estimate calories burned in yoga sessions by style, duration, and body weight using science-based MET values for common yoga practices.