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Wilks 2 Score Calculator

Enter bodyweight, total lifted and sex to get the Wilks 2 score.

How it is calculated

The tool computes coefficient = 600 / (a + b·x + c·x² + d·x³ + e·x⁴ + f·x⁵) and score = coefficient × total. Here x is bodyweight in kilograms and total is the sum of your best squat, bench press and deadlift, also in kilograms. The six constants a to f are different for men and women: the tool uses the female set when sex is female and the male set otherwise. Bodyweight must be above zero and the total cannot be negative. The score is rounded to two decimals and the coefficient to four. The formula is a fitted curve, so it is meaningful only within normal competition bodyweights; very light or very heavy values are extrapolations.

Worked example

A male lifter weighs 83 kg and totals 600 kg (squat + bench + deadlift). The tool puts x = 83 into the male polynomial and divides 600 by it, giving a coefficient of 0.8016 (rounded to four decimals). Score = coefficient × total = 0.8016 × 600, which the tool calculates from the unrounded coefficient as 480.99. A lifter with a higher total but a heavier bodyweight could end up with a lower score, which is the purpose of the adjustment.

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Common mistakes

  • Entering bodyweight in pounds or the total in pounds; both fields expect kilograms.
  • Entering a single best lift instead of the three-lift total (squat + bench + deadlift).
  • Choosing the wrong sex, which changes the whole set of constants and gives a very different coefficient.
  • Comparing a score from this tool with one from another coefficient system (the original 1994 Wilks, or other systems) as if they were the same scale.
  • Using the competition bodyweight class limit instead of the actual weigh-in weight.

About this calculator

The Wilks 2 (2020) score normalizes a powerlifter's total kilograms lifted (squat + bench + deadlift) for bodyweight, so lifters of different sizes can be compared on a level footing. It works by plugging bodyweight into a fifth-degree polynomial coefficient formula — separate for men and women, and updated in 2020 to better fit modern lifting data at both the very light and very heavy ends of the bodyweight spectrum than the original 1994 Wilks formula did — then multiplying that coefficient by the total lifted.

A higher Wilks 2 score means a more impressive lift relative to bodyweight, regardless of weight class. Powerlifting federations, meet directors, and competitive powerlifters use it to award best-lifter trophies across weight classes and to compare their own performance against lifters they'd never face head-to-head in the same class.

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Comments (1)

  • Editorial team

    This is a good tool for tracking yourself across bodyweight changes. If you move up or down a weight class, your raw total can drop while your score rises, so enter the weigh-in weight for each meet rather than the class limit. Keep in mind that some federations now rank lifters with other formulas, such as IPF GL points, so a Wilks 2 figure may not match a result sheet. Which formula does your federation use?

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