Fitness calculators
Simple tools to estimate your max strength, how many calories you burn and how to split your macros.
1RM calculator
Calculate your 1RM (one-rep max) from the weight and reps you did, using the Epley and Brzycki formulas, and get a percentage chart for training.
Daily calorie calculator
Calculate how many calories you burn per day based on your age, weight, height and activity, and how much to eat to lose fat or build muscle.
Macro calculator
Calculate how many grams of protein, fat and carbs to eat per day based on your weight, calorie target and whether you want to lose fat, maintain or build muscle.