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BMI Calculator

Weight (kg): Age (years): Select Height Unit:

Your BMI: —

Category: —

Your BMI is used to categorize your body weight. This guide will help you understand your results.

The body mass index (BMI) is a health tool that allows you to determine your body fat percentage based on your height and weight.

How to calculate the BMI:
Metric System:
BMI = weight (kg) / height² (m²)
Imperial System:
BMI = weight (lb) × 703 / height² (in²)
Interpretation of the BMI results:
Underweight: BMI < 18.5
Normal Weight: BMI 18.5 - 24.9
Overweight: BMI 25 - 29.9
Obese: BMI ≥ 30

While BMI is a great tool to understand your body mass index, please note that a BMI result is not indicative of your health. BMI cannot measure your underlying disease or other important factors. It is merely a tool to determine your body fat percentage. Please consult your doctor for more detailed results or a series of tests.

BMI Calculator

This BMI calculator (Body Mass Index) can be used free of charge. It can help you determine your BMI based on your height and weight. You can choose between feet & inches, meters and centimeters.