Is BMI accurate for everyone?

BMI is a screening tool, not a diagnostic one — it doesn't distinguish muscle from fat, so athletes and older adults may get misleading results.

What is a healthy BMI range?

For most adults, 18.5–24.9 is considered a normal, healthy BMI range.

BMI Calculator

The BMI Calculator estimates your Body Mass Index using your height and weight, and classifies the result into underweight, normal, overweight, or obese ranges based on WHO standards.

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Height

Weight

Your BMI

22.9

How to Use

Select metric (kg/cm) or imperial (lb/in) units.
Enter your height and weight.
Click Calculate to view your BMI value and category.

Formula

Metric Formula

BMI = weight (kg) / height (m)²

Imperial Formula

BMI = 703 × weight (lb) / height (in)²

Example

Weight 70 kg, height 1.75 m → BMI = 70 / (1.75 × 1.75) = 22.9 (Normal).

Frequently Asked Questions

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