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Free BMI Calculator

Calculate your Body Mass Index in metric or imperial units. See your BMI category, healthy weight range, and where you fall on the scale.

Runs in your browserNo sign-up, no pop-upsNo login requiredFree forever
BMI
22.9
Normal weight
1018.5253040

Healthy weight range for your height: 56.776.3 kg

BMI Categories (WHO)
UnderweightBelow 18.5
Normal weight18.5 – 24.9
Overweight25.0 – 29.9
Obese (Class I)30.0 – 34.9
Obese (Class II)35.0 – 39.9
Obese (Class III)40.0 and above

BMI is a screening tool, not a diagnostic measure. It does not account for muscle mass, bone density, or fat distribution. Consult a healthcare professional for personalised advice.

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How It Works

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Why use ours?

Completely free — no hidden costs, ever
No account, email, or login required
Runs entirely in your browser — no uploads
Works on any device — phone, tablet, desktop
Open and ad-supported, with no tracking
Loads fast, with no installation needed

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