Free tools
18 free nutrition calculators, instant and with no sign-up. Calculate your BMI, calorie needs, macros, deficit and more, all in a few seconds.
Weight & body size
BMI calculatorCheck your body size against the WHO scale.Ideal weightYour healthy weight range for your height.Body fat percentageYour body fat % (US Navy method).Waist-to-hip ratioYour risk based on where you carry fat.
Calories & metabolism
Calorie needsYour daily calories for your goal.Basal metabolic rateThe energy you burn at rest (BMR).Calorie deficitHow much to eat to lose weight, and how long it takes.Meal caloriesAdd up the calories and macros on your plate.Alcohol caloriesThe calories in your alcoholic drinks.
Exercise & energy use
Calories burnedThe energy you use for your physical activity.Heart rateYour cardio zones to train at the right pace.
Nutrition & cooking
Macro calculatorSplit your protein, carbohydrate and fat.Protein needsThe amount of protein to aim for each day.HydrationHow much water to drink each day.Measurement converterGrams, ml, spoons and cups for each ingredient.