Wilks & DOTS Calculator
Compare lifts across body weights using the Wilks and DOTS scoring systems.
Fill in the form and your result lands here.
Learn the details
Wilks and DOTS normalize powerlifting totals across body weights so lifters can be compared fairly. Wilks here is the original 1994 5th-degree polynomial, not the 2020 “Wilks 2” revision; DOTS (2019) uses an updated model considered more accurate at extreme body weights.
A total on its own does not travel well. A 60 kilogram lifter and a 120 kilogram lifter can post wildly different numbers and still be equally strong for their size, so the sport built scoring formulas to put them on one scale. Here is what those scores are, and what I would and would not read into one.
Why the score exists at all
Bigger bodies move more absolute weight. That is not a compliment or a criticism, it is muscle cross section, and it means a raw total sorts a mixed field mostly by body weight. A relative strength score fixes that by dividing your total by a number derived from your body weight, which produces one figure comparable across weight classes. Meets use it to hand out best lifter awards.
Wilks versus DOTS
Wilks, published by Robert Wilks in the 1990s, was the standard for decades. It runs your body weight through a fifth order polynomial fitted to competition results, then scales your total against it. DOTS arrived in 2019 as a rebuild of the same idea on newer data, using a fourth order curve. DOTS has largely replaced Wilks across modern federation use and the big results databases, and the IPF moved to its own GL points, so Wilks is now mostly a legacy number. This tool shows both, using the original Wilks coefficients, so an older score still reads alongside a current one.
A worked example
Take two male lifters. One weighs 132 pounds and totals 800 pounds. The other weighs 240 pounds and totals 1,150 pounds, a full 350 pounds more. The tool converts to kilograms, multiplies the total by 500, and divides by the fitted value for that body weight. For the lighter lifter that is 181,437 divided by 591.4, giving a DOTS score of about 306.8. The heavier lifter lands near 310.2. Almost identical, which is the entire point. Their Wilks scores, about 310.1 and 308.0, rank them in the opposite order, which tells you how thin those margins are.
What it is genuinely good for
The honest best use is tracking yourself through body weight changes. Gain 15 pounds over a bulk and the score tells you whether you got stronger or mainly heavier. On a cut it works the other way: a total that dips slightly while your score holds is a good outcome, not a setback. Comparing your score against other people is where it turns into noise, because it says nothing about training age, leverages, or how long anyone has been doing this.
The honest limits
Both formulas are curve fits over competition data, not laws of nature. They were built by fitting a line through the results of people who chose to compete, so they inherit that sample, and they are least reliable at the extremes of body weight where the fewest lifters existed to fit against. DOTS handles the very heavy end better than Wilks, which is much of why it took over, but neither is precise enough to settle an argument. The score is descriptive, nothing more. If you need a total to feed in, the powerlifting total calculator adds your three lifts for you, and the one-rep max calculator gets you there if your maxes are still estimates.
Sources: OpenPowerlifting coefficient documentation
Calculate it after a competition or max-effort testing session. Track your own score over time to see relative strength gains independent of body weight changes.