Health & Fitness
BMI, calorie, ideal weight, sleep, heart rate and pregnancy calculators.
What are Health & Fitness?
Health calculators give a quick estimate from simple measurements such as height, weight, age and activity level. They are a starting point, not a diagnosis.
What you will find in Health & Fitness
Includes a BMI calculator and a calorie calculator, and lists the weight and height converters that are handy alongside them.
How to use these tools
- Choose a calculator.
- Enter your measurements.
- Read the estimate.
Did you know?
- The formula behind BMI was developed in the 1830s and 1840s by the Belgian mathematician Adolphe Quetelet.
- The Mifflin-St Jeor equation used for calorie estimates was published in 1990.