BMI Calculator

Use this BMI calculator to estimate body mass index from height and weight. BMI is a general screening measure and should not be treated as a full health diagnosis.

How to use this calculator

Before you rely on the result

Calculator results are designed for quick estimates and everyday planning. Check important financial, tax, legal, health or business decisions with an appropriate official source or qualified professional.

Related calculators

For related tools, try the health calculator or calorie calculator.

BMI Calculator FAQs

What is the bmi calculator for?

It helps you make a quick estimate and understand the numbers before comparing options or checking official figures.

Are the results exact?

The results are estimates based on the values you enter. Final figures can vary because of rules, fees, rates, rounding or personal circumstances.