# Body Mass Index - BMI Formula

Calculating body mass index requires only two measurements, height & weight. To get quick result, you can use online__BMI index calculator__.

## Imperial BMI Formula

To calculate your Body Mass Index, take your weight (in pounds) multiply 703, and divide by your height (in feet) squared .__Example:__

Someone who is 5feet and 10inches height and weight 170 pounds

5feet and 10inches = 70 inches

BMI calculation = 170 * 703 / (70)

^{2}=

**24.39**

This person has

__normal__BMI index.

## Metric BMI Formula

To calculate your Body Mass Index, take your weight (in kilograms), and divide by your height (in meters) squared.__Example:__

Someone who is 1.80 m height and weight 80kg

BMI calculation = 80 / (1.80)

^{2}=

**24.69**

This person has

__normal__BMI index.