BMI Calculator
Calculate your body mass index and see the WHO adult category.
Weight management
Healthy weight, waist size and realistic, safe weight change.
Tools
Healthy Weight Range Calculator
The weight range that matches a BMI of 18.5–24.9 for your height.
Everyone & professionals
Ideal Body Weight Calculator
Ideal body weight by the Devine, Robinson, Miller and Hamwi equations.
Waist-to-Height Ratio Calculator
Check whether your waist size suggests extra fat around the middle.
Waist-to-Hip Ratio Calculator
Compare your waist and hip size using the WHO cut-offs.
Body Fat Percentage Calculator
Estimate body fat from tape measurements (US Navy method).
BMR Calculator
Basal metabolic rate by the Mifflin–St Jeor equation.
Daily Calorie Needs Calculator (TDEE)
Estimated daily energy needs from your BMR and physical activity level.
Calories Burned Calculator
Energy used by common activities, from Compendium MET values.
Weight Loss Timeline Calculator
A rough estimate of how long a steady calorie deficit takes to reach a goal weight.
FINDRISC Diabetes Risk Score
The Finnish Diabetes Risk Score: estimated 10-year risk of developing type 2 diabetes.
Food Energy Converter (kcal ↔ kJ)
Convert food energy between kilocalories and kilojoules.
Featured articles
The first guide on this topic will be published after medical review.