Home/Fitness & Health
⚖️

BMI Calculator

Calculate Body Mass Index. This tool runs 100% locally in your browser.

Medical Disclaimer: This tool is provided for informational and educational purposes only. It is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.

Advertisement
Ad Slot: tool-top
Advertisement
Ad Slot: tool-bottom

What is BMI Calculator?

The Body Mass Index (BMI) Calculator is a simple tool to check if you're at a healthy weight for your height. BMI is a screening tool used by healthcare professionals to identify potential weight problems. While it doesn't measure body fat directly, it correlates with direct measures of body fat.

When to Use This Tool

  • 1Checking if you are underweight, normal weight, overweight, or obese
  • 2Tracking weight loss progress over time
  • 3Screening for potential health risks associated with weight

Formula Used

BMI = weight (kg) / [height (m)]²

Or for pounds/inches: BMI = 703 × weight (lbs) / [height (in)]²

Examples

Input
Height: 180cm, Weight: 75kg
Result
BMI: 23.1 (Normal Weight)
Input
Height: 5'9", Weight: 180lbs
Result
BMI: 26.6 (Overweight)

Frequently Asked Questions

Is BMI accurate for athletes?

Not always. Muscle is denser than fat, so athletes may have a high BMI despite having low body fat.

What is a normal BMI?

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

Privacy & Security

Privacy is our priority. Unlike many other online tools, ToolsHub doesn't upload your data to any server. Whether you're processing sensitive text, calculating financial data, or generating passwords, everything stays in your browser.