For women:
10-12% - essential fat
14-20% - an athletic body fat range
21-24% - a healthy, fit body range
25-31% - acceptable
32% or more - obese
For men:
2-4% - essential
6-13% - an athletic body fat range
14-17% - a healthy, fit body range
18-25% - acceptable
26% or more - obese
More about body fat calculations.

