BMI Calculator (Body Mass Index)

Calculate BMI using metric or imperial units and see category ranges.

No data stored Instant results Mobile-friendly
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Calculator

Underweight <18.5
Normal 18.5–24.9
Overweight 25–29.9
Obese 30+
BMI
Category
Healthy Range
Weight Guidance
BMI is a general screening tool and does not diagnose health. Results are for informational purposes only.
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How it works

Choose a unit system, enter your height and weight, then calculate. The tool applies the standard BMI formula to estimate a BMI value and category and shows a healthy weight range based on your height. BMI is a screening metric only and does not account for individual body composition.

FAQ

What is a healthy BMI range?

For adults, a BMI from 18.5 to 24.9 is generally considered a normal range.

Does BMI measure body fat?

No. BMI does not directly measure body fat, and it may not reflect muscle mass or other health factors.

What BMI is considered overweight?

A BMI of 25.0 or higher is commonly classified as overweight for adults.

Is this BMI calculator free to use?

Yes. This BMI calculator is free and does not require an account.

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