Calculators for training and nutrition

Results appear right in your browser, and your data is not sent anywhere. The formulas match the Tonus app, so the numbers will too.

How many calories a day you need to maintain, lose or gain weight. Enter your details and the result appears instantly.

How many grams of protein, fat and carbs to eat a day for your goal. Calories are calculated in the same step.

How many calories to eat a day to lose weight at your chosen pace, and when you'll reach your target weight.

The weight you could lift once, based on the weight and reps of a set. No need to risk testing your max for real.

In the app your calorie target updates by itself when your weight changes