How to use the BMI Calculator
Fill in the fields on the left. Results, charts and the breakdown update instantly as you type or move a slider. Pick your country at the top of the page to switch currency.
Formula
BMI = weight (kg) ÷ height (m)²
Under 18.5: underweight · 18.5–24.9: healthy · 25–29.9: overweight · 30+: obese
Frequently asked questions
Is BMI accurate?
It is a useful rough guide but does not distinguish muscle from fat. Waist size and body fat give a fuller picture.
Results are estimates for information only and are not financial, tax or legal advice. Tax rules, interest rates and fees change, so confirm important numbers with your bank, employer or a qualified adviser. Read our disclaimer.