CB
Health tool
BMI Calculator
Use weight and height to calculate body mass index quickly.
Instant useNo sign up, quick result.
Health focusedBuilt for quick body and calorie estimates.
Related next stepsJump to nearby health tools after.
Use the bmi calculator
Check body mass index from height and weight.
Result: waiting for input
Enter your values to see the result.
Formula
BMI = weight in kg ÷ (height in metres)^2
Example
Someone at 70 kg and 175 cm has a BMI of about 22.9.
Frequently asked questions
Is BMI always accurate?
No. It is a basic screening measure and does not account for body composition.
Can I use imperial units?
This version uses kg and cm for quick calculation.
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