BMI Calculator
Height/Weight → BMI
Calculate your Body Mass Index and learn about your weight category
About this tool
About BMI Calculator
BMI Calculator is a free, browser-based tool that lets you calculate your Body Mass Index and learn about your weight category. It supports Height/Weight → BMI. Everything runs locally on your device, so your files are never uploaded to a server. There's no sign-up, no watermark, and no limit — just open BMI Calculator, add your input, and get results instantly.
How to use BMI Calculator
1
Choose unit system
Toggle between Metric (cm/kg) or Imperial (in/lb).
2
Enter your details
Input your height and weight, then click "Calculate BMI".
3
View your category
See your BMI number, a color-coded bar, and your weight category badge.
Key features
Instant Results
Get your BMI and weight category classification instantly.
Metric & Imperial
Supports both cm/kg and feet/inches + pounds effortlessly.
100% Private
BMI Calculator processes your data locally in the browser. Nothing is uploaded, tracked, or stored u2014 your files never leave your device.
Completely Free
Use BMI Calculator as much as you want with no fees, no watermarks, and no hidden limits.
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