Free tools
Useful numbers, without an account.
Simple estimates you can use now, then track properly in BonusBurn when you are ready.
Daily calorie needs calculator
Estimate how many calories you need each day from your age, sex, height, weight and usual activity.
Macro calculator
Convert a daily calorie target into protein, carbohydrate and fat targets using a practical split.
Healthy weight range calculator
Estimate the adult weight range associated with a BMI between 18.5 and 24.9 for your height.
Steps to distance calculator
Convert steps into kilometres or miles using your own stride length.
Daily water intake calculator
Estimate a simple daily water target from body weight, in millilitres or fluid ounces.