We are working on building a calculator for every computation life throws at you - from the serious to the whimsical. Now also in Spanish and Portuguese!
We currently have 347 calculators available.
Use our 3D Printing Cost Calculator to estimate material, electricity, and machine costs for your prints. Plan budgets accurately and learn tips for saving money.
Find out how much your appliances cost to run by entering wattage, hours of use, and electricity rate.
Estimate the number of bees in your hive by entering frame count and bees per frame. Learn how colony population affects management and honey production.
Calculate your annual carbon footprint based on home energy, transportation, diet, and waste habits. Discover ways to reduce your environmental impact today.
Estimate your cat's age in human years quickly. Learn how feline aging works and how to care for cats at every life stage.
Predict how much you can earn by mining cryptocurrency. Enter hash rate, power usage, and electricity cost to forecast daily profit.
Plan your pet budget by calculating how much it costs to feed your dog each day. Enter dog weight, portion size and food price to see weekly and monthly expenses.
Find out how much it costs to charge your electric vehicle at home. Enter battery size, electricity rate, and charger efficiency to see the total.
Calculate how long it takes to charge your electric vehicle and how much it costs based on charger power, battery size, and electricity rates.
Estimate the electricity cost and charging stops for your electric vehicle on a long road trip.
Calculate the ideal watering time for your garden using soil type, climate, area, and sprinkler flow rate. Keep plants healthy and conserve water.
Find the best dates to start seeds and transplant your favorite vegetables based on your local frost date.
Estimate the structural load of a vegetated roof by entering area, soil depth, and material density.
Determine recommended gutter dimensions based on roof area, rainfall intensity, and roof pitch. Keep your home safe from water damage with properly sized gutters.
Calculate heat loss through walls, windows, and other surfaces using area, U-value, and temperature difference. Learn how insulation levels affect energy efficiency.
Calculate your home affordability with our easy-to-use calculator. Enter your income, debts, down payment, interest rate, and loan term to find out how much house you can afford.
Estimate your annual homeowners insurance premium by entering home value, coverage level, deductible, and risk factors. See how adjustments impact your rate.
Calculate your potential home office tax deduction using the area method. Enter your office size, total home size, rent, and utilities.
Estimate material, labor, and permit expenses for your next remodel with this home renovation budget calculator. Learn tips to manage costs and avoid surprises.
Determine the potential return on investment for your home renovation project. Enter costs, estimated value increase, and annual savings to gauge your ROI.
Calculate the exact amount of nutrient concentrate needed for your hydroponic system based on reservoir size and desired strength.
Easily convert knitting pattern gauge to match your own swatch. Enter stitches per unit and see the adjusted stitch count for any project.
Find out how much it really costs to do laundry at home or the laundromat. Enter washer and dryer power, water usage, detergent cost, and electricity price to see per-load expenses.
Estimate how long it will take to mow your lawn by entering yard size, mower width, walking speed, and overlap. Discover tips to cut grass faster and more evenly.
Use our Pet Age Calculator to find your dog or cat's age in human years. Learn about pet aging and care tips.
Determine the correct serving size for your dog or cat based on weight, activity level, and food calories. Maintain a healthy diet by calculating how many cups or grams to feed each day.
Thinking of adopting a pet? Use our Pet Cost-of-Ownership Calculator to estimate food, vet, grooming, and other expenses over your pet's lifetime.
Determine how often to water your plants by entering plant type, pot size, and environment. Learn tips to prevent overwatering and underwatering.
Quickly estimate the ideal liner size for a backyard pond. Enter pond length, width, and depth to find liner dimensions with overlap.
Calculate the ideal projector distance from your screen by entering the throw ratio and screen size. Learn expert tips on positioning and room lighting.
Calculate how much rainwater you can harvest from your roof based on area, rainfall, and collection efficiency.
Determine how much soil you need for new raised beds. Enter length, width, and depth to calculate volume, plus tips on soil mixes and layering.
Calculate how much money and time you save by working remotely. See your savings on commuting, meals, wardrobe, and more. Discover the true value of remote work!
Use our Rent vs Buy Calculator to compare the long-term costs of renting versus buying a home. Enter your details to see which option is more financially beneficial.
Estimate RT60 using room dimensions and absorption coefficient. Learn how reverberation affects sound clarity in studios, auditoriums, and home theaters.
Calculate your take-home pay after taxes and deductions with our Salary Tax Calculator. Get a clear picture of your net income.
Determine your vocal prowess with our Shower Karaoke Score Calculator. See how your bathroom acoustics influence your singing score and have fun in the process.
Estimate how much water you use in the shower and learn tips to conserve. Enter flow rate, shower time, and water cost.
Estimate how much you can save on electricity by using smart thermostats, LED lights and automation. Enter your current bills and expected efficiency to discover yearly savings.
Determine how much lime or sulfur your soil needs to reach a target pH. Enter current pH, desired pH, area, and soil texture for a quick estimate.
Estimate the battery capacity needed for solar systems by entering daily usage, voltage, depth of discharge, and days of autonomy.
Estimate how often to clean your solar panels based on dust levels, rainfall, and tilt angle. Keep your photovoltaic system running efficiently.
Calculate how long it will take for your solar panel investment to pay for itself. Enter installation costs, incentives, and monthly savings to see your payback period.
Use our Solar Panel Savings Calculator to estimate your monthly and annual savings, ROI, and break-even point from installing solar panels. Go solar and save big!
Calculate the optimal tilt angle for your solar panels based on latitude and date to maximize energy capture.
Calculate the sun's current azimuth and elevation for any location and time. Useful for solar panel setup, photography, and astronomy.
Estimate your household water footprint from daily activities like showers, laundry, and lawn watering. Learn how to conserve and reduce usage.
Calculate how much yarn your project will need by entering pattern gauge, dimensions, and yardage per skein. Discover tips for choosing fiber types and managing leftovers.