What is body fat percentage and why is it important?

Body fat percentage is the proportion of fat mass to total body weight. It's a more accurate health indicator than BMI alone, as it distinguishes between fat mass and lean muscle mass. Healthy body fat levels reduce risk of chronic diseases and indicate better metabolic health.

How does the US Navy body fat formula work?

The US Navy method uses circumference measurements (waist, neck, and for women, hips) along with height to estimate body fat percentage. It's based on extensive research and provides accurate estimates for most adults when measurements are taken correctly.

What are healthy body fat percentage ranges?

For men: Essential fat 2-5%, Athletes 6-13%, Fitness 14-17%, Average 18-24%, Obese 25%+. For women: Essential fat 10-13%, Athletes 14-20%, Fitness 21-24%, Average 25-31%, Obese 32%+. These ranges vary slightly by age.

How accurate is the US Navy method compared to other techniques?

The US Navy method is approximately 95% accurate compared to more advanced methods like DEXA scans when measurements are taken properly. It's more accurate than BMI and skinfold calipers for most people, though individual variations exist.

Answer: 18.5% Body Fat | Body Fat Calculator - Accurate Body Fat Percentage Analysis

Your Measurements

Male Female

Age (years)

Height (cm)

Neck circumference (cm)

Waist circumference (cm)

Hip circumference (cm)

Your Results

Your Body Fat Percentage

18.5%

Fitness

Essential

Athletic

Fitness

Average

Obese

Health Insights

You're in the fitness category - great job!
Maintain your current exercise routine
Focus on balanced nutrition with lean proteins
Stay hydrated - drink at least 2L of water daily

Understanding Body Fat Percentage

Body fat percentage is a key indicator of overall health and fitness. Unlike BMI, which only considers height and weight, body fat percentage distinguishes between fat mass and lean muscle mass, providing a more accurate assessment of your health status.

Why Body Fat Percentage Matters

Maintaining a healthy body fat percentage reduces your risk of chronic diseases like heart disease, diabetes, and certain cancers. It also improves metabolic health, energy levels, and physical performance.

How the US Navy Method Works

The US Navy body fat formula uses circumference measurements to estimate body fat percentage. For men, it uses height, neck, and waist measurements. For women, it additionally uses hip measurements. This method was developed through extensive research and provides accurate estimates for most adults.

Frequently Asked Questions

What is body fat percentage and why is it important?: Body fat percentage is the proportion of fat mass to total body weight. It's a more accurate health indicator than BMI alone, as it distinguishes between fat mass and lean muscle mass. Healthy body fat levels reduce risk of chronic diseases and indicate better metabolic health.
How does the US Navy body fat formula work?: The US Navy method uses circumference measurements (waist, neck, and for women, hips) along with height to estimate body fat percentage. It's based on extensive research and provides accurate estimates for most adults when measurements are taken correctly.
What are healthy body fat percentage ranges?: For men: Essential fat 2-5%, Athletes 6-13%, Fitness 14-17%, Average 18-24%, Obese 25%+. For women: Essential fat 10-13%, Athletes 14-20%, Fitness 21-24%, Average 25-31%, Obese 32%+. These ranges vary slightly by age.
How accurate is the US Navy method compared to other techniques?: The US Navy method is approximately 95% accurate compared to more advanced methods like DEXA scans when measurements are taken properly. It's more accurate than BMI and skinfold calipers for most people, though individual variations exist.

Medical Disclaimer: This calculator provides estimates only and should not be used as a substitute for professional medical advice. Always consult with a healthcare provider before making any health-related decisions.