Body Fat Calculator
Use our free Body Fat Calculator to accurately calculate your body composition metrics. Instant results, clinical formulas, and 100% privacy.
Body Fat Percentage Analysis
Professional body composition estimation using the U.S. Navy Method
Profile & Weight
Measurements
Composition Results
Detailed breakdown of fat vs lean body mass
18.5
Body Fat %
FITNESS
Fitness Tier Spectrum
Essential
Athlete
Fitness
Acceptable
Obese
Fat Mass
13.9 kg
Lean Body Mass
61.1 kg
Ideal Range
14 - 17%
Health Assessment Insights
How to Use Body Fat Calculator in 3 Easy Steps
1
Measure Accurately
Use a soft tape to measure your neck and waist (and hips for females].
2
Enter Data
Select your gender and input your height and circumferences.
3
Analyze Body Composition
Get an estimation of your body fat percentage and lean mass.
Frequently Asked Questions
Yes, all our health utilities are 100% free with no registration required.
Our engine uses industry-standard clinical equations. However, these results are for informational purposes and are not medical advice.
Absolutely. We do not store any of your personal health inputs or results.