BMI Calculator

Calculate your Body Mass Index (BMI) from height and weight. Supports metric and imperial units with health category classification and visual chart.

Files never leave your device Always free No server uploads No sign-up No watermarks

Processing happens on your device — nothing is uploaded.

How It Works

Select metric or imperial

Toggle between kg/cm (metric) and lb/ft (imperial) using the unit pills.

Enter weight and height

Type your measurements — your BMI updates live with every keystroke.

Read your result

See your BMI value, category (Underweight/Normal/Overweight/Obese), and position on the scale bar.

Frequently Asked Questions

What is BMI Calculator?

BMI Calculator is a free, browser-based tool on TitanFile that lets you calculate your Body Mass Index (BMI) from height and weight. Supports metric and imperial units with health category classification and visual chart. Everything runs locally on your device — no files are ever uploaded to any server.

How do I use BMI Calculator?

Open the BMI Calculator page, add your file or enter your data, adjust any settings, then click the action button. Your result is ready instantly — no sign-up or installation required.

Are my files private?

Yes — all processing happens entirely in your browser using JavaScript. Your files and data never leave your device and are never uploaded to any server. We cannot see your files even if we wanted to.

Does this work offline?

Once the page has loaded, BMI Calculator works without an internet connection. You can install it as a PWA to your home screen for instant offline access.

Is there a file size limit?

There is no server-side limit because everything runs locally in your browser. The practical limit is your device's available memory. Most modern devices handle files up to several hundred MB without issue.

Why is this free?

TitanFile is ad-supported and passion-driven. We believe powerful tools should be accessible to everyone. BMI Calculator — like every tool on TitanFile — will always be free with no paywalls, watermarks, or hidden fees.