Metric

Metric BMI Calculator

This metric BMI calculator helps you estimate body mass index using kilograms and metric height measurements.

Your BMI Result

Fill in your height and weight, then click calculate to view your BMI result and healthy weight range.

What Is a Metric BMI Calculator?

A metric BMI calculator uses weight in kilograms and height in meters to estimate body mass index.

Metric BMI Formula

Metric: BMI = weight (kg) ÷ height² (m²)

BMI Categories

CategoryBMI RangeHealth Risk
Underweight< 18.5Possible nutritional deficiency
Normal Weight18.5 – 24.9Low risk
Overweight25 – 29.9Moderate risk
Obese≥ 30High risk

Frequently Asked Questions

The Body Mass Index (BMI) is a screening tool used to identify whether an adult is underweight, at a healthy weight, overweight, or obese. It is calculated by dividing a person’s weight in kilograms by the square of their height in meters.

Weight is entered in kilograms and height in meters or centimeters.

Yes. Height must be converted to meters before squaring in the BMI formula.

Yes. Both formulas are equivalent when units are applied correctly.