Estimate your body fat percentage using circumference measurements.
Enter values and click Calculate to see results.
Estimate your body fat percentage using circumference measurements.
Body Fat % (Men) = 495 / (1.0324 − 0.19077 × log₁₀(waist − neck) + 0.15456 × log₁₀(height)) − 450Discover what a healthy weight range is for your height, age, and gender with our ideal weight calculator and comprehensive weight management guide.
Read full articleThe Body Fat Calculator uses the following formula:
The calculation is performed automatically when you click the Calculate button, ensuring error-free results every time. Understanding the formula helps you interpret the results more effectively and see exactly how each input affects the final outcome.
Follow these steps to use the Body Fat Calculator:
Enter the waist (cm) in the provided input field (e.g., 80).
Enter the neck (cm) in the provided input field (e.g., 38).
Enter the height (cm) in the provided input field (e.g., 175).
Enter the gender in the provided input field.
Enter the hip (cm, female) in the provided input field (e.g., 95).
Click the "Calculate" button to compute your results.
Review the detailed results, including charts and breakdowns.
Use the "Reset" button to clear all fields and start a new calculation.
Try the "Load Example" button to see a sample calculation with predefined values.
Here is a practical example to help you understand how the Body Fat Calculator works.
Enter these values into the calculator (or click “Load Example Values”) to see how the formula produces accurate results.
When using the Body Fat Calculator, be aware of these common mistakes:
Taking a moment to verify your inputs will ensure the most accurate results.
For the best results when using the Body Fat Calculator, follow these expert tips:
The US Navy method has about 3-4% error margin. It is more accurate than BMI but less than DEXA scans.
For men 10-20%, for women 18-28% is generally healthy.
Essential fat is the minimum needed for basic health. It is about 3-5% for men and 10-13% for women. Going below can cause health problems.
Visceral fat (around organs) is more dangerous than subcutaneous fat. Waist circumference over 40 inches for men or 35 inches for women indicates higher risk.
Yes, body recomposition occurs when you lose fat and gain muscle simultaneously, changing your body fat percentage while maintaining weight.
DEXA scans, hydrostatic weighing, and Bod Pod are most accurate. Calipers and bioelectrical impedance are less precise but more accessible.
Monthly measurements are sufficient to track trends. Body fat fluctuates with hydration, meal timing, and other daily factors.
Yes, endurance athletes like marathon runners often have very low body fat, while strength athletes like powerlifters may have higher percentages.