What is the formula for calculating Body fat percentage?

Question

Hello. Please explain the method of calculating the percentage of fat and how to calculate the percentage of fat using a caliper.

Answer 1

You can use different formulas for calculation. If you want to proceed only based on height, weight, and gender, use the following formula.

For this purpose, you must first calculate BMI.

  Body fat % = (1.20 * BMI) + (0.23 * Age) - (10.8 * gender) - 5.4

If you want to go through the calipers, it's different for men and women

Sample measurements for men

Chest 25 mm

Abdominal: 30 ml

Thigh 15 mm

Formula For Men

457 / (1.10938 - (0.0008267 * (Thigh + Chest + Abdomen)) + (0.0000016 * (Thigh + Chest + Abdomen)²) - (0.000257 * Age)) - 414.2

Formula For Women

Hypothetical measurements for women:

triceps 10 mm

 front of the thigh 15 mm

Superilliac 20 mm

[457/(1.0994921 - (0.0009929 * (Triceps + Thigh + Suprailiac)) + (0.0000023 * (Triceps + Thigh + Suprailiac)2) - (0.0001392 * Age)] - 414.2

Calculation:

19% = 457 / (1.0994921 - (0.0009929 * (10 + 15 + 20) + (0.0000023 * (10 + 15 + 20)²) - (0.0001392 * 36)) - 414.2