Free Fitness Calculators
Personalized calculators for steps, calories, distance, and more. All free, no signup required.
Most Popular
Step Distance Calculator
Convert steps to distance or distance to steps based on your height
🔥Steps to Calories Calculator
Calculate how many calories you burn from your daily steps
🚶Walking Calories Calculator
Calculate calories burned based on walking distance or time
❤️Heart Rate Zones Calculator
Find your 5 training zones to optimize fat burn and endurance
⏱️Running Pace Calculator
Convert pace, speed, and predict race finish times for any distance
📐Body Fat Percentage Calculator
Calculate body fat % using the accurate U.S. Navy method
⚡TDEE Calculator
Calculate your Total Daily Energy Expenditure and daily calorie needs
🥩Macro Calculator
Calculate your daily protein, carbs, and fat targets for your fitness goal
All Calculators
Step Distance Calculator
Convert steps to distance or distance to steps based on your height
Steps to Calories Calculator
Calculate how many calories you burn from your daily steps
Walking Calories Calculator
Calculate calories burned based on walking distance or time
Steps Per Mile Calculator
Find out how many steps are in a mile or kilometer
Walking Time Calculator
Estimate how long it takes to walk any distance
Daily Step Goal Calculator
Get a personalized daily step goal recommendation
Weight Loss Walking Calculator
Calculate walking requirements for your weight loss goals
BMI Calculator
Calculate your Body Mass Index with health insights
Heart Rate Zones Calculator
Find your 5 training zones to optimize fat burn and endurance
Running Pace Calculator
Convert pace, speed, and predict race finish times for any distance
Body Fat Percentage Calculator
Calculate body fat % using the accurate U.S. Navy method
Water Intake Calculator
Find out how much water you should drink daily based on weight and activity
Activity to Steps Converter
Convert cycling, swimming, yoga, and more into equivalent steps
Calorie Deficit Calculator
Calculate how many calories to eat per day to reach your goal weight
Resting Heart Rate Calculator
Check your cardiovascular fitness level and Karvonen heart rate zones
TDEE Calculator
Calculate your Total Daily Energy Expenditure and daily calorie needs
Macro Calculator
Calculate your daily protein, carbs, and fat targets for your fitness goal
Marathon Race Predictor
Predict your marathon, half marathon, 10K, and 5K finish times
VO2 Max Calculator
Estimate your aerobic fitness level using heart rate or Cooper test
Training Pace Zones
Get your 5 personalized running training pace zones from any race result
Pace to Speed Converter
Convert min/km, min/mile, km/h, and mph instantly
Race Time Predictor
Calculate finish time from pace or find the pace needed for your goal time
Distance Equivalent Calculator
Convert km, miles, meters, yards — with steps, time, and calories
Why Use Our Calculators?
Personalized Results
Calculations based on your height, weight, age, and gender for accurate estimates.
Science-Based
Using research-backed formulas and MET values for reliable calculations.
100% Free
No signup required. No ads. Just helpful fitness calculators.
Track Your Fitness Automatically
Download the Steps app to automatically track your steps, calories, distance, and more on your iPhone and Apple Watch.
Free on the App Store