Health & Fitness
Body Fat Calculator.
Estimate your body fat percentage using US Navy circumference measurements.
FREE INSTANT RESULTS NO SIGNUP UPDATED 2026
Parameters
in
in
in
in
Summary Output
Body Fat Percentage
15.5%%
Estimated Fat Mass
25 lbs
Visual Breakdown
Schedule Breakdown
How to Use
Select gender, then enter height, neck, and waist circumferences. Females must also enter hip circumference. Measure flat against the skin.
Example Calculation
A male, 70 inches tall, with a 15-inch neck and 34-inch waist, has a computed body fat percentage of approximately 14.8%.
Formula
Navy Body Fat formula for circumferences (calculated in log-scales).
Frequently Asked Questions
Common questions and answers about the Body Fat Calculator.
The Body Fat Calculator is a free online tool designed to estimate your body fat percentage using us navy circumference measurements. It allows you to perform these calculations quickly and accurately without manual computations.
Select gender, then enter height, neck, and waist circumferences. Females must also enter hip circumference. Measure flat against the skin. Once you enter these values, the calculator will automatically compute and display the results instantly.
The Body Fat Calculator uses the following formula to calculate your results:
Navy Body Fat formula for circumferences (calculated in log-scales).
This formula is standard and widely accepted for these types of calculations.
Sure! Here is a practical example:
A male, 70 inches tall, with a 15-inch neck and 34-inch waist, has a computed body fat percentage of approximately 14.8%.
This example demonstrates how the inputs are processed through the formula to yield the final results.
To use the Body Fat Calculator, you need to enter: Gender, Height (inches), Neck Circumference, Waist Circumference, Hip Circumference (Females Only). These inputs help the tool calculate precise results tailored to your situation.
The Body Fat Calculator outputs the following details: Body Fat Percentage, Estimated Fat Mass. This comprehensive breakdown helps you understand the different aspects of the calculated figures.
Yes, the Body Fat Calculator is 100% free with no registration or signup required. It is fully responsive and optimized for mobile phones, tablets, and desktop computers.
Reliable Calculator provides a fast, clean, ad-free, and premium user experience. The Body Fat Calculator uses verified math formulas and provides instant results with visual breakdowns and examples, making it more intuitive than other tools.
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