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BMI Calculator

Your Details

cm
kg

Your Body Mass Index

0.0

What is BMI?

Body Mass Index (BMI) is a person's weight in kilograms divided by the square of height in meters. It is an inexpensive and easy screening method for weight category-攗nderweight, healthy weight, overweight, and obesity.

BMI Categories:

  • Underweight: Below 18.5
  • Normal weight: 18.5 – 24.9
  • Overweight: 25.0 – 29.9
  • Obesity: 30.0 and above

Limitations of BMI: While BMI is a useful general indicator, it does not distinguish between fat and muscle mass. Therefore, highly muscular athletes may have a high BMI but low body fat. It also may not be accurate for pregnant women or the elderly.

About BMI Calculator

This tool runs entirely within your browser using client-side technologies. Your data is never uploaded to our servers, ensuring maximum privacy and security.

Whether you are a developer, designer, or everyday user, BMI Calculator helps you get things done quickly. No software installation required — just open your browser.

Frequently Asked Questions

What is BMI Calculator?

BMI Calculator is a free online utility that calculate your body mass index (bmi) to see if you are at a healthy weight. supports both metric (cm/kg) and imperial (ft/lbs) measurements.All processing happens directly in your browser — your files and data never leave your device.

Is BMI Calculator free to use?

Yes! BMI Calculator is 100% free with no hidden fees, no registration required, and no usage limits. You can use it as many times as you want without ever creating an account.

How does BMI Calculator protect my privacy?

Unlike most online tools, BMI Calculator runs entirely client-side using your browser's processing power. Your data is never uploaded to our servers, never stored, and never shared with third parties. Once you close the page, everything is gone.