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⚕️ BMI Calculator

Calculate your Body Mass Index, a measure of body fat based on height and weight.

Try Our BMI Calculator

UK Rates (2026/27)

CategoryRate
Underweight< 18.5
Healthy18.5-24.9
Overweight25.0-29.9
Obese30.0+

Why Use Our BMI Calculator?

  • Free - no sign-up
  • Updated for 2026/27
  • Instant results
  • Works on all devices
  • Privacy-first - runs in browser
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