### What Is BMI?

The Body Mass Index(BMI) formula was developed by Belgium statistician Adolphe Quetelet (1796-1874), and was known as the Quetelet Index. BMI is also referred to as ‘body mass indicator’. BMI is an internationally used measure of obesity.

**How do you to calculate BMI**? – for users who wish to manually calculate BMI, we have provided a BMI formula for both imperial & metric measurements.

.Body mass index calculation is very straightforward. Calculating body mass index requires only two measurements: height & weight.

### Imperial BMI Formula

The imperial bmi formula accepts weight measurements in pounds & height measurements in either inches or feet.*1 foot = 12 inchesinches² = inches * inches*

Table: Imperial BMI Formula | ||

BMI = ( lbs/inches² ) | (weight in pounds * 703 )/ height in inches² |

**Metric Imperial BMI Formula**

The metric bmi formula accepts weight measurements in kilograms & height measurements in either cm’s or meters.*1 meter = 100cmsmeters² = meters * meters*

Table: Metric BMI Formula | ||

BMI = ( kg/m² ) | weight in kilograms/ height in meters² |

### Calculate BMI & Find Weight Status

Table: BMI Weight Status Categories | |

BMI | Weight Status |

Below 18.5 | Underweight |

18.5 -24.9 | Normal |

25 – 29.9 | Overweight |

30 & Above | Obese |

### BMI Calculator Live