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BMI Calculator — Calculate Body Mass Index Online Free

Check your BMI and see which category you fall into. Free, instant, works with metric or imperial units.

Your BMI ScoreNormal Weight
23.5

Your BMI is in the ideal healthy weight range.

15 (Under)18.5 (Normal)25 (Over)30 (Obese)35+
Ideal weight for your height:53.5 kg – 72.0 kg

How to Use BMI Calculator

Follow these 3 simple steps to get your task done in seconds.

01

Select Units

Choose between Metric (cm / kg) or Imperial (feet + inches / lbs).

02

Enter Height & Weight

Type your current height and body weight.

03

View Your Score & Range

See your BMI score, health classification badge, and visual position on the health scale.

Questions About BMI Calculator

Everything you need to know about our free in-browser BMI Calculator.

According to WHO standards: Below 18.5 is Underweight, 18.5–24.9 is Normal weight, 25.0–29.9 is Overweight, and 30.0+ indicates Obesity.

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