Calculators

Calculators that use the app’s own maths

The same formulas Doydum uses to build your plan, open to everyone. Nothing you type leaves this page.

How many calories a day, from your age, height, weight, activity and goal.

Your daily protein, carbs and fat in grams, split for your goal.

How much water a day for your weight, in litres and glasses.

Turn steps into distance, minutes and an energy estimate.

Your resting energy and your daily energy at every activity level.