Percentage Calculator

Percentage Calculator is a free online tool to calculate percentages.

Estimate Your Body Fat Percentage

How to Use

  • Select gender, enter age, height, neck, waist (and hip for females).
  • Click Calculate to estimate your body fat percentage.

Frequently Asked Questions

  • Q: What formula is used?
    A: The U.S. Navy Body Fat Formula is used, which is different for males and females.
  • Q: How accurate is this calculator?
    A: This is an estimation. Actual body fat may vary due to individual differences.
  • Q: What measurements are required?
    A: Males: height, neck, waist. Females: height, neck, waist, hip.

Calculation Basis

This calculator uses the U.S. Navy Body Fat Formula:
Male: 495 / (1.0324 - 0.19077 × log10(waist - neck) + 0.15456 × log10(height)) - 450
Female: 495 / (1.29579 - 0.35004 × log10(waist + hip - neck) + 0.22100 × log10(height)) - 450