BMI Calculator
WHO standard health classification
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Ideal weight range: —
Based on WHO international standards
Quick guide
What can BMI Calculator help you do?
Free BMI calculator with WHO standard classification. Shows category and ideal weight range.
Best for
Useful for quick file work, text cleanup, calculations, content creation, and website or AI checks.
How to use it
Open the tool, enter or upload what it asks for, then copy or download the result directly.
Privacy and limits
Most tools run in your browser with no sign-in. Very large files or older devices may hit browser memory limits.
Frequently Asked Questions
How is BMI calculated?
BMI = weight (kg) / height (m)². Example: 60 / 1.7² = 20.76.
Is BMI accurate?
BMI doesn't account for muscle mass or body fat percentage. Athletes may be classified as overweight despite being healthy.