Free · Browser-Based · Health Math

BMI Calculator

Calculate BMI in either metric or imperial units, understand the standard category, and estimate an approximate healthy weight range for your height.

Unit system

Sex (optional)

Weight

Height

BMI summary

🎯 Common Use Cases

Check BMI category quickly

Switch between metric and imperial units

Estimate healthy weight range

Use for basic wellness tracking

Is BMI a diagnosis?

No. BMI is a quick screening metric, not a medical diagnosis.

Can I use imperial units?

Yes. Switch between metric and imperial input modes.

Does this store health data?

No. All calculations stay in your browser.