Calculate your BMI

Calculate your Body Mass Index and compare yourself to friends with a similar age and height.

  Weight can  convert
lbs to kg

Height  or
Body Mass Index: kg/m2

  Enter your age then re-calculate  

Age:  years (  )
I'm a:   

BMI Categories:
* Underweight = <18.5
* Normal weight = 18.5-24.9
* Overweight = 25-29.9
* Obesity = BMI of 30 or greater

Body Description:
According to: <-- UPDATED

Your weight is at the

according to your age and height.

(This is your Weight Percentile, compared to other Americans)


If at 50th percentile, you are close to average weight.
At 90th percentile, your weight is greater than 90% of others.
At 20th percentile, then 80% of others weigh more than you.