Body Fat Calculator
Estimate your body fat percentage using the US Navy method. Enter waist, neck, and height measurements for a quick, equipment-free assessment.
Body Fat
Enter values to calculate
How to Use the Body Fat Calculator
1
Enter waist, neck, and height measurements in cm.
2
Select your gender.
3
View estimated body fat percentage.
Frequently Asked Questions
What method does this use?
The US Navy body fat formula uses circumference measurements at the waist, neck, and height.
How accurate is this?
It provides a reasonable estimate (within 3-4%). DEXA scans and hydrostatic weighing are more precise.
What is a healthy body fat range?
For men: 10-20% is fit, 20-25% acceptable. For women: 18-28% is fit, 28-32% acceptable.