BMI Calculator

What Does This Tool Do? Calculate body mass index from height and weight.

BMI Calculator User Guide

Calculates BMI from weight and height. Distinguish the numerical calculation from an assessment of your individual health.

Easy Step-by-Step Instructions

Enter weight in kg and height in cm.

Run the example, then replace the sample values with your own.

Check your BMI result, but do not use this number alone to determine your health status or diagnose a medical condition.

Weight 70kg · Height 175cm → 70 ÷ 1.75² = BMI 22.86.

BMI = weight (kg) ÷ height (m)². The entered height in cm is divided by 100 before calculation, and the result is displayed to two decimal places.

Does not account for body fat percentage, muscle mass, age, or pregnancy status, and does not provide diagnoses or personalized target weights.

Enter only the required numbers to update the results panel automatically.

Enter the required numbers to calculate the result.