BMI Calculator
Calculate Body Mass Index from height and weight
What is BMI Calculator?
BMI Calculator computes your Body Mass Index from height and weight. BMI is a widely used screening metric that categorizes adults into weight ranges: underweight, normal, overweight, and obese.
When to use this tool
- Quick health self-assessment
- Tracking fitness progress over time
- Setting weight management goals
- Understanding health risk categories
How it works
Uses the standard BMI formula: BMI = weight(kg) / height(m)². The result is classified into WHO categories: <18.5 underweight, 18.5–24.9 normal, 25–29.9 overweight, ≥30 obese. Metric and imperial inputs are both supported.
Examples
About BMI Calculator
Calculate Body Mass Index from height and weight It runs entirely in your browser — no files are uploaded to any server, ensuring complete privacy and instant results.
- •Test and debug regular expressions
- •Parse cron expressions in plain English
- •Format SQL, XML, and YAML
- •Convert between number bases instantly
Last updated: 2025-01-15
FAQ
Calculate Body Mass Index from height and weight
Yes, completely free. No signup required.
Yes. Runs entirely in your browser, no files uploaded.
Yes, works on any device with a modern browser.
No, everything runs in your browser.