Calculators · 100% Free · Browser-Based
BMI Calculator
Calculate Body Mass Index with WHO category indicators (underweight to obese). No signup, no upload, complete privacy.
About BMI Calculator
Calculate Body Mass Index with WHO category indicators (underweight to obese).
Our bmi calculator runs entirely in your browser using modern Web APIs. No file uploads, no data collection, no tracking — your privacy is guaranteed.
Why use our BMI Calculator?
- 100% Free — no signup, no watermark, unlimited usage
- Privacy-first — everything runs in your browser
- Global — Worldwide defaults, browser-based privacy
- Works offline — after first page load
- Mobile friendly — works on any device
Frequently Asked Questions
What is BMI Calculator?
Calculate Body Mass Index with WHO category indicators (underweight to obese).
Is BMI Calculator really free?
Yes — 100% free with no signup, no watermark, and no usage limits.
Is my data safe?
BMI Calculator runs entirely in your browser. Your files and inputs never leave your device.
Does it work on mobile?
Yes — works on iPhone, Android, iPad, and any modern browser.