Health and nutrition calculators
BMI, calories, macronutrients, body composition, pregnancy and ovulation.
BMI calculatorBody mass index and healthy weight range.Calorie calculatorCalories to maintain, lose or gain weight.BMR calculatorBasal metabolic rate with Mifflin-St Jeor and Harris-Benedict.Macro calculatorGrams of protein, carbs and fat.Ideal weight calculatorIdeal weight with five classic formulas.Body fat calculatorBody fat percentage with a tape measure.Due date calculatorEstimated due date and key dates.Pregnancy calculatorPregnancy week, trimester and key dates.Ovulation calculatorOvulation day and fertile window.
Get to know your body better
These calculators use internationally recognised formulas to give you a reference point for your health: body mass index (BMI), basal metabolic rate with the Mifflin-St Jeor and Harris-Benedict equations, daily calories according to your activity, your macronutrient split, ideal weight and body fat percentage with the US Navy method.
If you are trying to conceive or are already pregnant, you can calculate your fertile window, weeks of pregnancy and due date. Results are indicative and do not replace medical advice.