What is BFP (Body Fat Percentage)?

BFP stands for Body Fat Percentage - the proportion of your total body weight composed of fat tissue. It is a more accurate health indicator than weight or BMI alone.

How accurate is the Navy Method body fat calculator?

The U.S. Navy circumference method has an accuracy of ±3.5%, comparable to a $100 DEXA scan. It is much more reliable than BIA body fat scales which can vary ±10% based on hydration.

How do I calculate body fat percentage at home?

Use our free calculator with either the BMI-based formula (only needs height, weight, age, gender) or the U.S. Navy method (also requires neck, waist, and hip measurements with a tape measure).

What is a healthy body fat percentage?

For men, a healthy body fat percentage is typically 14-17% (fitness range). For women, a healthy range is 21-24%. Athletes tend to be lower: 6-13% for men, 14-20% for women.

How is BFP different from BMI?

BMI only considers height and weight, so it cannot distinguish between muscle and fat. BFP directly measures body composition. A muscular person may have a high BMI but a healthy BFP, while a skinny-fat person may have a normal BMI but a high BFP.

See Your Abs Calculator - How Much Body Fat to Reveal Six Pack

The science behind visible abs is straightforward: your abdominal muscles are always there, but they are hidden beneath a layer of body fat. To see them, you need to lower your body fat percentage to a level where this fat layer becomes thin enough to reveal the muscle definition underneath.

Men typically need 10-13% body fat to see full six-pack abs
Women typically need 18-21% body fat to see visible abs while maintaining hormonal health
You cannot spot-reduce belly fat - your body loses fat genetically, not based on which muscles you exercise
Ab exercises build muscle but don't burn belly fat - diet and overall body fat reduction is what reveals abs

See Your Abs Calculator

How It Works