Body Fat Calculator
Calculate your body fat percentage using the US Navy method based on measurements.
Body Fat Calculator
Calculate your body fat percentage using the US Navy method based on measurements.
Body Fat Percentage
Body Composition
Body Fat Categories
How to Take Measurements
Waist Measurement:
Measure at the narrowest point between your ribs and hips, usually just above the belly button.
Neck Measurement:
Measure just below the Adam's apple, keeping the tape horizontal.
Hip Measurement (Women):
Measure at the widest point of your hips, usually around the buttocks.
Tips:
Take measurements in the morning, before eating, and ensure the tape is snug but not tight.
About This Calculator
Estimate body fat percentage from body measurements using established estimation methods.
Formula
Common methods use neck, waist, height (and hip for women) in validated equations
Example
Enter measurements in consistent units to estimate body fat percentage and category range.
When to Use
- Body composition tracking
- Fitness program monitoring
- Progress check beyond scale weight
Best Practices
- Measure at the same time of day
- Use consistent tape placement
- Track trends instead of one-off readings
FAQ
Is this exact body fat?
No. It is an estimate and can vary from clinical methods.
How often should I measure?
Weekly or bi-weekly is usually enough to observe trend without noise.
Important Note
Informational estimate, not a medical diagnostic measurement.
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