4.6 · 21,000+ reviews · 2M+ downloadsFitness Calculators
Know your numbers.Train with purpose.
Free calculators for heart rate zones, Zone 2, max heart rate, cycling FTP, calories burned, TDEE and calorie deficit, macros, daily steps, and your one rep max. The heart rate zones and power zones match what you'll see in FITIV Pulse.
Heart Rate Zones
All five training zones in bpm, from your age or a max heart rate you've measured.
Open calculatorFTP & Power Zones
Seven cycling power zones in watts from your FTP or a test result, plus watts per kilogram.
Open calculatorCalories Burned
Estimate a workout's calories from your average heart rate, time, age, sex, and weight.
Open calculatorTDEE & Calorie Deficit
Your maintenance calories, BMR, and a daily target to lose or gain weight at your pace.
Open calculatorMacros
Split your daily calories into grams of protein, carbs, and fat, with protein set by body weight.
Open calculatorSteps per Day
Your research-based daily step target by age, and how much walking it takes to get there.
Open calculatorOne Rep Max
Estimate your 1RM from any set, plus the weight you could lift at common rep counts.
Open calculatorSee your zones in every workout
Works with the devices you already own.
