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BMI is one of the most relevant and widely accepted measures of your weight in relation to your general health and wellbeing. It is obtained by the application of the Body Mass Index - or BMI as it is usually referred to.

Quite simply, the Body Mass Index is a figure arrived at by comparing your weight to your height. It is not a perfect tool or measurement, but it is widely accepted as being the best measure of your healthy weight in relation to your height.

Once you know your BMI, you will have an overall assessment of how well you are doing in the health stakes. Most people do not know their Body Mass Index Figure, because to find it out, you will need to use a calculator - or at least have a very good mental arithmetic capacity! As usual, we come to your assistance with the formula, and also a table of weights from which you should be able to get a quick idea of how you are doing.

There are 5 normal categories for assessing your health risks in relation to obesity, as follows.......

- BMI less than 18.5 - Underweight. Being underweight has potential health risks in some cases. Seek advice
- BMI between 18.5 and 24.9 - Normal Weight
- BMI between 25 and 29.9 - Overweight. YOU NEED to do something about this!!
- BMI of 30 or higher - Obese. FACT your health is at risk in the short and long term (if you get that far!)
- BMI of 40 or more. Morbid Obesity. Urgent medical help and action required.

The calculation required to find your own Body Mass Index - BMI - is .......

- Your weight in pounds multiplied by 703 (Weight ......lbs x 703 = ???)
- Your height in inches times 2. (Height .....inches x 2 = ???)
- BMI = Answer to No1 divided by Answer No2.

A typical example - my own - would be ....

- My weight (in lbs) x 703 (171lbs x 703) = 120,213
- My height (in inches) x My height in inches) (69 x 69 = 4,761
- My BMI = 120,213 / 4,761 = 25.24

**No escaping the fact - known to me - that I am a little
overweight.**

Am I concerned? NO! I am happy, because 5 months ago my weight was 198lbs! (My BMI at that time was 28.5) That was well on the way to being obese. YUK! I did something about it. You bet! That is why I have written this website!

**Height 66in (5ft 6in or 165cms)** So, height x height
= 4356 (used in calculation of Body Mass Index from the tables below.)

Weight |
Weight x 703 |
/ht x ht = |
BMI |
Status |

90lbs (40kg) | 63,270 | /4536 = | 15 | Underweight |

110lbs (50kg) | 77350 | /4536 = | 18 | Normal |

130lbs (59kg) | 91,390 | /4536 = | 21 | Normal |

154lbs (70kg) | 105,450 | /4536 = | 24 | Normal |

170lbs (78kg) | 119,510 | /4536 = | 27 | Overweight |

190lbs (86kg) | 133,570 | /4536 = | 31 | Obese |

210lbs (95kg) | 147,630 | /4536 = | 34 | Obese |

230lbs (105kg) | 161,690 | /4536 = | 37 | Obese |

250lbs (114kg) | 175,750 | /4536 = | 40 | Morbid Obesity |

Other Height Calculations for your BMI