This on-line BFP calculator takes your gender, age, weight and height and calculates the percentage of fat in the body. The formula used is based on BMI. This will give an approximate result.
Body Fat Percent is calculated by dividing the total weight of the fat divided by the body weight. Every human needs to have a certain amount of essential fat. The essential fat percent varies hugely between women and men. Below is a chart of body fat percent ranges for women and men.
There are several formulas used for calculating body fat percentage. This calculator uses the formula based on BMI. For people with high muscle mass or pregnancy, this BMI based calculator may give inaccurate result. For others, this will give an approximate result.
BFP = (1.51 * BMI) - (0.70 * Age) - (3.6 * S) + 1.4
This BF% formula is based on the heritage study The effect of sex, age and race on estimating percentage body fat from body mass index: The Heritage Family Study.
BFP = (1.39 * BMI) + (0.16 * Age) - (10.34 * S) - 9
|Essential Fat Percent||10-13%||2-5%|
|Fat Percent for Athletes||14-20%||6-13%|
|Obese Level||32% and above||25% and above|
Page Last Modified On: Jul 15, 2021