The Wilks Coefficient calculator computes the comparative weight lifted between weight lifters based on the weight of the lifter (w), the weight lifted (x) and the gender of the lifter, where the weight is adjusted by the Wilks Coefficient formula.
INSTRUCTIONS: Choose units and enter the following:
- (w) Weight Lifted
- (x) Weigh of Person
- (g) Gender of Person
Wilks Coefficient Adjusted Weight (WCAW): The calculator returns the adjusted weight in kilograms. However, this can be automatically converted to other weight units (e.g. pounds) via the pull-down menu.
The Math / Science
The formula for the Wilk's Coefficient applied to a weight lifted is:
` WCAW = 500/ (a+bx+cx^2+dx^3+ex^4+fx^5) * w`
where:
- WCAW = Wilks Coefficient Adjusted Weight
- x = body weight of the lifter
- w = weight lifted by the weight lifter
- a,b,c,d,e,f = f(gender)
For men:
a = −216.0475144
b = 16.2606339
c = −0.002388645
d = −0.00113732
e = 7.01863E−06
f = −1.291E−08
For women:
a = 594.31747775582
b = −27.23842536447
c = 0.82112226871
d = −0.00930733913
e = 4.731582E−05
f = −9.054E−08
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References
- Is the IPF Points Formula better than the Wilkes Formula
- The formula was based on Wilkes Coefficient in Wikipedia