# Body Mass Index (Bmi) Worksheet

Name__________________________________Per___________Teacher________________________
Body Mass Index (BMI) Worksheet
Here is how to calculate your body mass index…
1. Convert your body weight to kilograms by dividing your weight by 2.2.
2. Convert your height measurement to meters by multiplying your height in inches by 0.0254.
3. Square the height measurement.
4. BMI equals body weight in kg divided by height in meters squared.
5. Now you should have your BMI.
Here is a sample for a person who weighs 100 lbs and is 60 inches tall…
100 / 2.2 = 45.36 kg
1. 60 * 0.0254 = 1.52 m
2
2. 1.52m * 1.52m = 2.31 m
2
3. 45.36kg / 2.31 m
= 19.6
4. BMI = 19.6
Now your try yours…
1. _______________________
/
2.2
= ____________________kg
Your weight in pounds
divided by
your weight in kg
2. ______________________
x
0.0254 = ____________________m
Your height in inches
multiplied by
your height in meters
2
3. ________________m
x
______________m = ____________________ m
Your height in meters
multiplied by
your height in meters
your height in meters squared
2
4. ________________kg
/
____________________ m
= ____________________
Your weight in kg
divided by
your height in meters squared
5. Your Body Mass Index (BMI) =
_________________________
Still having trouble calculating it…
The following website may help.
1. Go to
2. Click on tools
3. click on healthy weight tools
4. click on Body Mass index and fill in the boxes
Where should I be…
According to the Cooper Institute to be considered healthy your BMI should be in the following ranges.
Girls
Boys
11 16.9 - 24
11
15.8 - 21
12 16.9 - 24.5
12
16.0 - 22
13 17.5 - 24.5
13
16.6 - 23
14 17.5 - 25
14
17.5 - 24.5
15 17.5 - 25
15
18.1 - 25