It's simple you just have to pick up you weight (W) and you height (H) but
Weight in kilo gram (kg)
Height in meters (m)
for an example a person that weight is 100 kg and height is 1.80m
Using this formula
Weight in kilo gram (kg)
Height in meters (m)
for an example a person that weight is 100 kg and height is 1.80m
Using this formula