All Tools Health & Fitness BMI Calculator

BMI Calculator

Calculate your Body Mass Index (BMI) easily with our free online tool to evaluate your health.

How to Use the BMI Calculator

Quickly calculate your Body Mass Index (BMI) to understand your weight category based on your height.

Steps

  1. Select your preferred measurement system (Metric or Imperial).
  2. Enter your height (in cm or ft/in).
  3. Enter your weight (in kg or lbs).
  4. View your BMI score instantly, along with your healthy weight range.

About This Tool

This calculator determines your Body Mass Index using the standard WHO formula. It provides instant visual feedback on a color-coded gauge to indicate if you are underweight, normal weight, overweight, or obese.

FAQs

1. Is BMI a perfect indicator of health?

No, BMI is a general screening tool. It does not account for muscle mass, bone density, or overall body composition.

2. What is a healthy BMI?

A BMI between 18.5 and 24.9 is generally considered the healthy weight range for adults.

3. Can I use this for children?

This standard BMI calculator is designed for adults (18+). Children and teens require age-and-gender-specific BMI percentiles.