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BMI Calculator

Calculate your Body Mass Index (BMI) instantly to understand your weight category. Our BMI Calculator helps you determine if you're underweight, normal weight, overweight, or obese based on your height and weight.

🔒 No Upload ⚡ Instant 🆓 Always Free

How to Use BMI Calculator

  1. Step 1: Enter your height in cm or feet/inches.
  2. Step 2: Enter your weight in kg or pounds.
  3. Step 3: Click 'Calculate BMI' to see your result.
  4. Step 4: View your BMI category and health recommendations.

Why Use BMI Calculator?

  • Supports metric and imperial units.
  • Visual BMI category indicator.
  • Health tips based on your result.
  • Privacy-first: No data stored.

Frequently Asked Questions

What is a healthy BMI?

A BMI between 18.5 and 24.9 is considered healthy for most adults.

Is BMI accurate for athletes?

BMI may overestimate body fat in athletes with high muscle mass. Consider body fat percentage instead.

🔒 Your Privacy is Guaranteed

BMI Calculator uses WebAssembly (WASM) to run entirely in your browser. Open your browser's Network tab while using this tool — you'll see zero requests carrying your file data. Unlike iLovePDF and Smallpdf which upload your files to cloud servers, Dumkera processes everything locally on your device. Your data never leaves your machine. We are GDPR-compliant by design.