Jackson and Pollock 7 Site Formula for Calculating Body Fat Percentage



The Jackson and Pollock 7 equation is one of the most precise equations for calculating the percentage of body fat because it tests 7 skinfold sites and considers gender and age. It is ideal for people with moderate physical activity, the general population, and young athletes.

Jackson - Pollock 7 Skinfold Sites

  • Chest
  • Midaxilary
  • Tríceps
  • Subescapular
  • Abdominal
  • Suprailiac
  • Thigh
Click here for the calculator


What is the ideal body fat percentage for men and women?

Jackson - Pollock 7 Equation for Men

Body density = 1.112 – (0.00043499 x sum of all the skinfolds) + (0.00000055 x sum of all of skinfolds squared) – (0.00028826 x age)

Body Fat Percentage (%) = [(495 / Body Density) – 450] x 100

Jackson - Pollock 7 Equation for Women

Body density= 1.097 – (0.00046971 x sum of all of skinfolds) + (0.00000056 x sum of all of skinfolds squared) – (0.00012828 x age)

Body Fat Percentage (%) = [(495 / Body Density) – 450] x 100