Enter your weight, waist circumference, and gender into the calculator to determine your body fat percentage using the YMCA method.

YMCA Body Fat Calculation Formula

The following formula is used to calculate the body fat percentage using the YMCA method.

Body Fat % = (495 / (1.0324 - 0.19077 * log10(waist - neck) + 0.15456 * log10(height))) - 450 (for males)
Body Fat % = (495 / (1.29579 - 0.35004 * log10(waist + hip - neck) + 0.22100 * log10(height))) - 450 (for females)

Variables:

  • Body Fat % is the percentage of body fat.
  • Waist, neck, and hip are circumferences in inches.
  • Height is measured in inches.

To calculate the body fat percentage, input your measurements into the formula based on your gender.

What is YMCA Body Fat Calculation?

The YMCA Body Fat Calculation is a widely used method for estimating body fat percentage based on simple measurements like waist circumference, neck circumference, and weight. It provides a reliable estimate of body fat for individuals looking to monitor their fitness and health.

How to Calculate Body Fat Percentage?

The following steps outline how to calculate the body fat percentage using the YMCA method.


  1. First, measure your weight, waist circumference, neck circumference, and hip circumference (if female).
  2. Next, determine your height in inches.
  3. Use the formula provided above to calculate your body fat percentage based on your gender.
  4. Finally, calculate the body fat percentage by plugging in the values.
  5. After inserting the variables and calculating the result, check your answer with the calculator above.

Example Problem:

Use the following variables as an example problem to test your knowledge.

Weight = 180 lbs

Waist Circumference = 34 inches

Neck Circumference = 16 inches

Gender = Male

FAQ

1. What is body fat percentage?

Body fat percentage is the proportion of fat in your body compared to your total body weight.

2. Why is it important to measure body fat percentage?

Measuring body fat percentage is important for understanding overall health and fitness levels. It helps in assessing the risk of various health conditions related to body fat.

3. How accurate is the YMCA body fat calculator?

The YMCA body fat calculator provides a good estimate of body fat percentage, but for precise measurements, methods like DEXA scans or hydrostatic weighing are recommended.

4. Can this calculator be used for all age groups?

Yes, the calculator can be used for different age groups, but it is most accurate for adults. Adjustments may be needed for children and older adults.

5. Is the calculator suitable for athletes?

The calculator can be used by athletes, but they may require more specific measurements and methods to accurately assess body fat percentage due to their higher muscle mass.