01 / Fast steps
- Enter your height in centimeters.
- Enter your weight in kilograms.
- Read your BMI and its range instantly, updated as you type.
BMI Calculator
Enter your height and weight to instantly calculate your Body Mass Index and see which range it falls in.
Updates instantly as you type
02 / Best for
- Getting a quick, standard BMI reading for a personal health check.
- Tracking BMI changes over time alongside a fitness routine.
- Preparing figures for a medical form or check-up.
03 / Keep in mind
- BMI is a general screening measure and does not account for muscle mass, age or body composition. It is not a diagnosis.
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faq
Questions, answered.
01How is BMI calculated?
BMI = weight in kilograms ÷ (height in meters)². This tool applies that standard formula automatically.
02Is BMI an accurate health measure?
BMI is a useful general screening tool but does not distinguish muscle from fat. For a full health assessment, consult a healthcare professional.
03Is BMI Calculator free to use?
Yes, BMI Calculator is completely free, with no sign-up and no usage limits. It runs entirely in your browser, so your data never leaves your device.