BMI Calculator
Calculate Body Mass Index in metric (kg/cm) or imperial (lbs/ft+in) units. Color-coded WHO categories with visual scale.
What powers the BMI Calculator
Metric (kg/cm) and Imperial (lbs/ft+in) input
Color-coded WHO BMI categories
Visual scale with marker position
Live calculation as you type
One-decimal precision
Why the BMI Calculator is different
Browser-native
The BMI Calculator runs entirely in your browser. Input is processed locally — never uploaded, never logged, never cached anywhere outside your device.
No artificial limits
No daily quotas, no character ceilings, no "upgrade for more" walls. Every feature is the complete feature — the same on the first use as the thousandth.
Production-grade quality
Built to the same engineering bar as paid SaaS tools — accurate algorithms, audited logic, responsive design and accessibility-tested interactions.
Common use contexts
- General fitness screening
- Pre-medical consultation reference
- Weight-loss goal setting
- Educational health awareness
Private and secure
Zero upload
All processing happens in your browser. Input is never transmitted, logged or cached.
Works offline
Once the page loads, the tool runs without an internet connection. No network calls happen during use.
No tracking
No accounts, no cookies for tool state. Only aggregate analytics count visits at the page level.