Niche & Everyday CalculatorsFree100% Client-Side
BMI Calculator
Calculate your Body Mass Index instantly with metric or imperial units and see your weight category on a visual gauge.
100% privateRuns instantly in-browserUpdated regularly
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100% Secure & Private
Your files never leave your computer — processed in-browser with WebAssembly.
Lightning Fast
No queues, no uploads — results in milliseconds, even on mobile.
Modern & Ad-Light
Clean interface, dark mode, and no popups — built to beat legacy tools.
What you get
- Metric (kg/cm) and Imperial (lb/in) unit support
- Instant BMI calculation with category badge
- Visual 4-zone gauge (Underweight to Obese)
- Healthy weight range for your height
- 100% client-side, no data leaves your browser
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