Body Fat Calculator

Waist should be measured at the narrowest point for women and at the level of the navel for men. Neck should be measured just below the larynx with the tape angled slightly downward at the front. Hip measurements for women should be taken at the widest point. All measurements should be taken relaxed without sucking in or flexing. Using a soft tape measure and measuring twice improves accuracy.

To lower body fat, you must be in a caloric deficit (burning more calories than you eat) while consuming high protein (1.6g–2.2g per kg of body weight). This forces your body to burn stored fat for energy while preserving your muscle mass.

Your scale weight includes water, glycogen (stored carbs), food volume, and waste. High sodium intake, stress, or heavy workouts can cause water retention, spiking your weight by 2–5 lbs overnight. This is not fat gain. Look at weekly trends, not daily spikes.

No. "Spot reduction" is a myth. You cannot target fat loss from your waist by doing crunches. When you lose weight, your body decides where to take the fat from based on genetics. Consistent overall weight loss is the only way to reveal abs.

Technically, a pound is a pound. However, muscle is much denser than fat. One pound of muscle takes up significantly less space than one pound of fat. This is why you can look smaller and leaner at the same weight if you have a lower body fat percentage.

Measure yourself first thing in the morning, after using the bathroom and before eating or drinking. This minimizes variables like bloating or food volume affecting your waist measurements.

A safe and sustainable rate of fat loss is roughly 0.5% to 1% of your total body fat per week. Trying to lose faster than this usually results in muscle loss and metabolic slowdown. For example, if you are 200 lbs with 30% body fat, losing 1–2 lbs of pure fat per week is excellent progress.

As we age, our metabolism naturally slows and we tend to lose muscle mass (sarcopenia). Consequently, the "healthy" body fat range shifts slightly higher. For example, a healthy range for a 20-year-old might be 8–19% (men), while for a 60-year-old man, 13–24% is considered healthy.

"Skinny fat" refers to having a normal weight/BMI but low muscle mass and high body fat. To fix this, do not focus solely on cardio or extreme dieting. Instead, focus on Body Recomposition: eat at maintenance calories, prioritize high protein intake, and follow a progressive strength training program to build muscle while slowly dropping fat.

Yes, this is called Body Recomposition. It is most effective for beginners, people returning from a training break, or those with higher body fat percentages. Advanced athletes usually need to cycle between dedicated bulking (surplus) and cutting (deficit) phases to see significant changes.

For most natural bodybuilders and gym-goers, the US Navy Method is surprisingly accurate because it factors in neck circumference. However, for elite open-class bodybuilders with extreme muscle mass, it may still slightly overestimate body fat. In those cases, a DEXA scan is the only truly precise option.