Fitness tools
that do the math
Useful tools and calculators to optimize your training and nutrition.
1RM calculator
Enter a set's weight and reps and get your estimated one-rep max, plus the load for every percentage of it.
TDEE calculator
Find out how many calories you burn in a day with your activity, and the targets for losing fat or building muscle.
Macro calculator
Split your daily calories into protein, carbs and fat by your body weight and your goal.
BMR calculator
Find out how many calories your body burns at rest each day, the starting point for any calorie target.
Body fat calculator
Estimate your body fat percentage from a few simple measurements and track it over time.
