BMI stands for body mass index. It defines how much healthy you are on the basis of your height and weight. BMI tells, are you under weight, normal or overweight.

- There are two formula to calculate BMI :
- 1) BMI = your weight(in kg) / your height(in meter2)
- 2) BMI = 703 x your weight(lb) / your height2(in inch2)

BMI result tells your weight position.

If you know, your recent BMI position, than you can take action about your weight, if you are under weight than you need to obtain weight, and if you are over weight, you need to get weight.

How you can you know? Are you under weight, normal or overweight.

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

Trinness | 16-18 |

Normal | 18-25 |

Overweight | 25-30 |

Extra overweight | 30-35 |

we all care our child much, so it is important to calculate your child's Body Mass Index. So that you can know your child health status.

- Measure your child's weight in kg.
- Now measure height of your child in Meters.
- Find the square of your child height.
**Example : suppose your child height 1.50 meter find square of height = 1.50 x 1.50 = 2.25**- divide weight(KG) by your child square height.

suppose your child's weight is 45 kilogram and he is 1.40 Meter tall.

- BMI = 45 kilogram / (1.40 x 1.40)
- Your child's BMI Result = 22.97

Age in years | weight(25 kg/m^{2}) | Obese(30 kg/m^{2}) | ||

| Boys | Girls | Boys | Girls |

2 | 18.4 | 18.0 | 20.1 | 19.8 |

2.5 | 18.1 | 17.8 | 19.8 | 19.6 |

3 | 17.9 | 17.6 | 19.6 | 19.4 |

3.5 | 17.7 | 17.4 | 19.4 | 19.2 |

4 | 17.6 | 17.3 | 19.3 | 19.2 |

4.5 | 17.5 | 17.2 | 19.3 | 19.1 |

5 | 17.4 | 17.2 | 19.3 | 19.2 |

5.5 | 17.5 | 17.20 | 19.5 | 19.3 |

6 | 17.6 | 17.34 | 19.8 | 19.7 |

6.5 | 17.7 | 17.53 | 20.2 | 20.1 |

7 | 17.9 | 17.6 | 20.6 | 20.5 |

7.5 | 18.2 | 18.0 | 21.1 | 21.0 |

8 | 18.4 | 18.4 | 21.6 | 21.6 |

8.5 | 18.8 | 18.7 | 22.2 | 22.2 |

9 | 19.1 | 19.1 | 22.8 | 22.8 |

9.5 | 19.5 | 19.5 | 23.4 | 23.5 |

10 | 19.8 | 19.9 | 24.0 | 24.1 |

10.5 | 20.2 | 20.3 | 24.6 | 24.8 |

11 | 20.6 | 20.7 | 25.1 | 25.4 |

11.5 | 20.9 | 21.2 | 25.6 | 26.1 |

12 | 21.2 | 21.7 | 26.0 | 26.7 |

12.5 | 21.6 | 22.1 | 26.4 | 27.2 |

13 | 21.9 | 22.6 | 26.8 | 27.8 |

13.5 | 22.3 | 23.0 | 27.3 | 28.2 |

14 | 22.6 | 23.3 | 27.6 | 28.6 |

14.5 | 23.0 | 23.7 | 28.0 | 28.9 |

15 | 23.3 | 23.9 | 28.3 | 29.1 |

15.5 | 23.6 | 24.2 | 28.6 | 29.3 |

16 | 23.9 | 24.4 | 28.9 | 29.4 |

16.5 | 24.2 | 24.5 | 29.1 | 29.6 |

17 | 24.5 | 24.7 | 29.4 | 29.7 |

17.5 | 24.7 | 24.9 | 29.7 | 29.8 |

18 | 25.0 | 25 .0 | 30.0 | 30.0 |