Free fitness calculators
Free, simple calculators for your calories, protein, BMI (with Indian ranges), macros, one-rep max and daily water, from SweatByte.
Calorie and TDEE calculator
Find out how many calories your body burns in a day (your TDEE) and how many to eat to lose fat, build muscle or stay where you are.
Open calculatorProtein calculator
How much protein you need depends on your weight and what you are training for. Enter both to get a daily range and a number per meal.
Open calculatorBMI calculator
Body mass index (BMI) compares your weight with your height. This calculator shows the standard WHO ranges and the lower cut-offs used for Indian and other Asian adults.
Open calculatorMacro calculator
Turn a calorie target into grams of protein, carbohydrate and fat. Pick a split that suits your goal, or set your own.
Open calculatorOne-rep max calculator
Estimate the most you could lift for a single rep from a heavier set of several reps, without risking a true max attempt.
Open calculatorWater intake calculator
A simple daily water target from your body weight, with extra for exercise and hot weather.
Open calculator