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Body Fat Calculator

Calculate your body fat percentage using the US Navy method

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Measure below Adam's apple

Measure at navel level

How to Measure Correctly

  • • Neck: Measure just below the Adam's apple
  • • Waist: Measure at navel level, relaxed (don't suck in)
  • • Hip (women): Measure at the widest point of buttocks
  • • Use a flexible tape measure, keep it horizontal
  • • Measure in the morning for consistency

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About This Tool

Estimate your body fat percentage using the US Navy circumference method. This method uses measurements of your neck, waist, and hips (for women) to calculate body fat. It's more accurate than BMI alone for assessing health risks, especially for Indians who may carry more visceral fat.

Frequently Asked Questions

What is a healthy body fat percentage?
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%+.
How accurate is the Navy method?
The US Navy method is accurate to within 3-4% for most people. It's more practical than underwater weighing or DEXA scans. For best accuracy, measure in the morning before eating.
Why is body fat important for Indians?
Indians tend to have higher body fat at the same BMI compared to Westerners, especially visceral fat around organs. This increases diabetes and heart disease risk even at 'normal' BMI.
How often should I measure body fat?
Measure every 2-4 weeks under consistent conditions (same time, same hydration level). Body fat changes slowly, so daily measurements aren't useful and can be misleading.

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