Unit : Centimeter cm

Unit : Kilogram kg

auto save bmi history data

### BMI Chinese Standard

Category | BMI Range | |
---|---|---|

Underweight | <= 18.4 | |

Normal | 18.5 - 23.9 | |

Overweight | 24.0 - 27.9 | |

Obese | >= 28.0 |

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Online free BMI index calculator provides BMI index calculation, introduction of BMI calculation formula and display of BMI normal value range.

### What is BMI index?

BMI (body mass index) is a standard commonly used in the world to measure the degree of
obesity and fitness of the human body.

### What is the calculation formula of BMI?

When metric units are adopted, the calculation formula of BMI is:
BMI = weight

When imperial units are adopted, the calculation formula of BMI is: BMI = [ weight

_{kg}/ ( height_{m})².When imperial units are adopted, the calculation formula of BMI is: BMI = [ weight

_{lb}/ ( height_{in})² ] * 703.### What is the normal range of BMI?

The standard division scope of different countries and regions is slightly different.
This tool supports Chinese standards, WHO standards , Japanese
standards, Singapore standards and Hong Kong Standards.
You can select the switching standard to view the corresponding range division table.

### Is BMI divided into male and female standards?

BMI index is only related to height and weight, generally regardless of men and women.