Calculate Your Body Fat

Calculate your Body Fat to help determine if you should reduce your calories to lose weight or increase your calories to gain weight. This calculator uses the US Navy method.

Height:
Neck:
Waist:
Hip:
Units:
Gender:

Your Body Fat is

Measurements for females:
Waist - At the level of minimal abdominal width
Hips - At the level of maximum hip width
Neck - Inferior to the larynx
Height - measured without shoes

Measurements for males:
Waist - At the level of the navel
Neck - Inferior to the larynx
Height - measured without shoes

Female	Male	Classification
10-12%	2-4%	Essential Fat
14-20%	6-13%	Athletes
21-24%	14-17%	Fitness
25-31%	18-25%	Acceptable
31%+	25%+	Obese

Your body fat percent is equal to the weight of your fat divided by your body weight. It is comprised of essential and storage body fat. Essential body fat is required to sustain life and reproductive functions. The number for females is greater than for males. This is because of the requirements of childbirth and other hormonal functions. Essential fat is 3 to 5 percent for males, and 8 to 12 percent for fermales. Storage body fat is comprised of fat that aims to protect organs in the chest and abdomen.

Easily Calculate Your Body Fat

Calculate your Body Fat to help determine if you should reduce your calories to lose weight or increase your calories to gain weight. This calculator uses the US Navy method.