Wellness Calculators & Interactive Tools
Estimate distance, calories, pace, strength, heart rate zones, sleep and the real cost of classes, apps, devices and retreats. Every calculator shows its formula, runs in your browser and stores nothing you enter.
ClassPass Cost and Credit Calculator
Work out your ClassPass cost per credit and cost per class, see how many classes your credits cover, and compare with a studio's direct price.
FitnessOpen calculatorHeart Rate Zone Calculator
Estimate your maximum heart rate from your age and see five training zones in beats per minute, with an optional resting heart rate for personal zones.
FitnessOpen calculator1 Rep Max Calculator
Estimate your one-rep max from any set of 1 to 15 reps with the Epley and Brzycki formulas, then see working weights from 50% to 100%.
FitnessOpen calculatorPilates Class Cost Calculator
Estimate your Pilates class cost per month and year. Compare drop-in classes, class packages and memberships, and find your break-even point.
FitnessOpen calculatorRunning Pace Calculator
Calculate your running pace per mile and per kilometer from any distance and time. See your speed, even splits and race times at the same pace.
FitnessOpen calculatorSleep Cycle Calculator
Find bedtimes or wake-up times that line up with roughly 90-minute sleep cycles, adjusted for how long you take to fall asleep.
Mind & SleepOpen calculatorSleep Debt Calculator
Enter the hours you slept each night this week to see your sleep debt, average sleep and how each night compares with your target.
Mind & SleepOpen calculatorSteps to Calories Calculator
Estimate calories burned from your daily steps using your weight and walking pace. See distance, walking time and calories per 1,000 steps.
FitnessOpen calculatorSteps to Miles Calculator
Convert steps to miles and kilometers using your height or a measured step length. See steps per mile and how far 10,000 steps takes you.
FitnessOpen calculatorWalking Calories Burned Calculator
Estimate calories burned walking from your weight, time, pace and incline, using the ACSM walking equation. See distance, METs and intensity.
FitnessOpen calculatorWater Intake Calculator
See the National Academies daily water reference for adults, how much typically comes from drinks and food, and how heat and exercise change needs.
WellnessOpen calculatorWHOOP vs Oura Ownership Cost Calculator
Defaults use the standard US prices in this article. Change any figure to match your checkout.
In: WHOOP vs Oura: Subscription Costs, Features and Ownership ComparedOpen calculatorSauna Electricity Cost Calculator
Use the heater rating from your manual. The example values compare a 6 kW traditional heater with an illustrative 1.8 kW infrared cabin.
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Enter annual costs and headcounts for one program. Results describe cost and participation only.
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Enter totals for your whole group. Leave any cost you do not have at zero.
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Compare monthly and annual billing for any app. Use the prices shown at your checkout.
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