Wilks Calculator
The Wilks coefficient lets you compare powerlifting strength across different bodyweights.
Results
Wilks Score Reference
About the Wilks Score
The Wilks coefficient was developed by Robert Wilks to solve one of powerlifting's fundamental problems: how do you determine the best lifter in a meet when competitors span very different bodyweights? A 100 kg lifter who totals 600 kg and a 70 kg lifter who totals 500 kg cannot be compared by raw kilograms alone - the coefficient normalises both to a common scale.
Wilks uses a fifth-degree polynomial fitted to historical competition data, with separate coefficients for males and females. Entering your total and bodyweight gives a single number that can be compared across any bodyweight and gender. Historically, scores in the 400–500 range were considered elite at the national level, and 500+ indicated world-class performance.
While the IPF replaced Wilks with DOTS in 2019, Wilks remains widely used in many federations and is still the most commonly referenced coefficient in online training communities and historical records. If you are tracking your progress over years of training or comparing to older competition results, Wilks is often the most practical choice.
Frequently Asked Questions
What is the Wilks score?
The Wilks score is a coefficient that adjusts your powerlifting total for bodyweight, allowing fair comparison between lifters of different sizes. It was created by Robert Wilks and was the IPF's official scoring method for many years.
How is Wilks calculated?
The formula multiplies your total (in kg) by a coefficient derived from a fifth-degree polynomial of your bodyweight. The polynomial was fitted to competitive powerlifting data so that lifters across all weight classes score similarly for equivalent relative performances.
What is a good Wilks score?
General benchmarks: below 200 is recreational, 200–300 is intermediate, 300–400 is advanced, 400–500 is elite, and 500+ is world class. These apply to both male and female lifters using the gender-specific formula.
Is Wilks still used in competition?
The IPF replaced Wilks with DOTS in 2019 for its official events, but Wilks remains widely used by many other federations and for historical comparisons. It is still the most recognised coefficient outside the IPF ecosystem.
Can I enter just one lift instead of the full total?
Yes - the calculator accepts a total directly, or individual lift inputs which it sums automatically. This is useful for comparing single-lift performances, though Wilks was designed for the three-lift total.
What is the difference between Wilks and DOTS?
DOTS uses a fourth-degree polynomial and was calibrated to be more accurate for very light and very heavy lifters, where Wilks has known inaccuracies. DOTS tends to produce slightly lower scores at the extremes of bodyweight.