Enter your measurements to see results
Results
Category
%
Fat Mass
Lean Mass
How it Works & Reference Data
Calculation Method
This calculator primarily uses the U.S. Navy Method. It estimates body fat percentage based on height and circumference measurements (neck, waist, and hip for women). It is considered one of the most accurate non-clinical methods.
Body Fat Categories (ACE)
| Category | Women | Men |
|---|---|---|
| Essential Fat | 10-13% | 2-5% |
| Athletes | 14-20% | 6-13% |
| Fitness | 21-24% | 14-17% |
| Average | 25-31% | 18-24% |
| Obese | 32%+ | 25%+ |
Healthy Body Fat Ranges by Age
| Age | Women | Men |
|---|---|---|
| 20-39 yrs | 21-32% | 8-19% |
| 40-59 yrs | 23-33% | 11-21% |
| 60-79 yrs | 24-35% | 13-24% |
How to Use Body Fat Calculator
- Select gender and age
- Enter height and weight
- Enter neck, waist (and hip) circumference
- Click calculate to get body fat percentage
Measurement Tips
- Measure in the morning on an empty stomach
- Keep tape snug but not tight against skin
- Stand relaxed while measuring
