How do you figure out your BMI with out a chart or calculator?

Answer 1

Very simple, as long as you know your height and weight. Go to either site listed below, click on the appropriate link (children and teens or adults), enter the required information and it will tell you your BMI:
http://www.cdc.gov/nccdphp/dnpa/bmi/index.htm
http://www.nhlbisupport.com/bmi/