BMI

Body mass index (BMI) is a measure of body fat based on height and weight that applies to adult men and women. View the BMI tables or use the tool below to compute yours.

- Enter your weight and height using standard or metric measures.
- Select “Compute BMI” and your BMI will appear below.

### BMI table for adults

This is the World Health Organization’s (WHO) recommended body weight based on BMI values for adults. It is used for both men and women, age 18 or older.

### BMI formula

### BMI Chart – Adults (Age 20+)

BMI |
Weight Status |

Below 18.5 | Underweight |

18.5 – 24.9 | Normal or Healthy Weight |

25.0 – 29.9 | Overweight |

30.0 and above | Obese |

Category | BMI range – kg/m^{2} |

Severe Thinness | < 16 |

Moderate Thinness | 16 – 17 |

Mild Thinness | 17 – 18.5 |

Normal | 18.5 – 25 |

Overweight | 25 – 30 |

Obese Class I | 30 – 35 |

Obese Class II | 35 – 40 |

Obese Class III | > 40 |

### Other Converter

### BMI chart for adults

### BMI table for children and teens, age 2-20

The Centers for Disease Control and Prevention (CDC) recommends BMI categorization for children and teens between age 2 and 20.

### BMI chart for children and teens, age 2-20

The Centers for Disease Control and Prevention (CDC) BMI-for-age percentiles growth charts.

Chart for boys

Chart for girls

Category | Percentile Range |

Underweight | <5% |

Healthy weight | 5% – 85% |

At risk of overweight | 85% – 95% |

Overweight | >95% |

### People also ask

What is a good BMI for my age?

How do u calculate BMI?

How do I calculate my BMI in kg?

Is a 25 BMI OK?

Is a 25 BMI OK?

Is a BMI of 20 skinny?

Does breast size affect BMI?

Do doctors still use BMI?

Is it okay to be a little chubby?

## Questions for your doctor

- When should I be concerned with my child’s weight?
- When should I start checking my BMI? How often should I check?
- What is my ideal weight?
- What is my child’s ideal weight?
- Does BMI account for muscle?
- How can I reduce my BMI?
- How can I help my child reduce his or her BMI?
- How long will it take to reduce BMI?