Body Fat Calculator
Estimate body fat percentage with the U.S. Navy tape-measure method.
🔄 Updated October 13, 2026
About the Body Fat Calculator
The Body Fat Calculator helps you track an important health number in seconds. Estimate body fat percentage with the U.S. Navy tape-measure method. Results are estimates for awareness and planning — always consult a qualified professional for medical advice. You may also like the BMI Calculator and TDEE Calculator.
How to use this calculator
- Enter your numbers in the fields above.
- Results update instantly — no button to press, no page reload.
- Adjust the inputs to compare scenarios with the Body Fat Calculator.
Keep exploring: BMI Calculator · Calorie (BMR) Calculator · Age Calculator · Pregnancy Calculator
Frequently asked questions
How accurate is the Navy method?
Within a few percent for most people — good for tracking trends over time.
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