What this calculator does
See how strong your lift is for your size, as a single score you can compare with lifters of any weight. Heavier lifters can move more weight, so a raw total doesn't say who is strongest pound for pound. Scoring formulas fix this. They multiply your result by a multiplier (called a coefficient) that gets smaller as body weight goes up. The result is one number that can be ranked across weight classes. This calculator gives the three formulas lifters meet most often. They are IPF GL points, used by the International Powerlifting Federation since 2020, DOTS, and the older Wilks formula.
Enter your body weight and your total, in kilograms or pounds. Your total is your best squat, bench press and deadlift added together, or a single bench press for bench-only meets. The main result is the formula you choose. The other two are listed underneath so you can compare.
Where it's used
Why this math matters outside the classroom:
- Best lifter awards. Meet directors rank lifters from different weight classes by points to award a single best-lifter trophy.
- Training progress. A lifter who gains 3 kg of body weight checks whether a 15 kg bigger total still raises their points.
- Weight class choices. Coaches compare a lifter's projected points in two weight classes before deciding whether to cut weight.
- Team competitions. Mixed teams add up members' DOTS scores so lifters of every size contribute on the same scale.
- Curve fitting in class. Statistics students see how an exponential curve that levels off is fitted to elite results across body weights.
How to use it
- Choose the formula: IPF GL, DOTS or Wilks.
- Pick the men's or women's category. For IPF GL, also pick classic (raw) or equipped, and a full powerlifting total or bench press only.
- Enter your body weight and the weight you lifted, in kg or lb.
- Read your points and the step-by-step multiplier. The other formulas' scores are listed for comparison.
What the inputs mean
- Formula
- IPF GL points are scaled so that an average elite lifter at any body weight scores about 100. DOTS and Wilks give scores in the hundreds. So a DOTS score of 450 and a GL score of 93 can describe the same performance.
- Equipment (IPF GL)
- Classic means lifting without supportive suits or bench shirts (sleeves and a belt are allowed). Equipped lifting uses supportive gear that helps you lift more, so it has its own set of numbers.
- Event (IPF GL)
- Bench-only meets use their own GL numbers. DOTS and Wilks don't tell events apart, so they score a bench press as if it were a total.
- Body weight
- Use your weigh-in body weight from the meet. The calculator accepts 35 to 250 kg (77 to 551 lb).
- Total lifted (or bench press result)
- Your best successful squat, bench press and deadlift added together. For a bench-only meet, use your best bench press.
Formula and method
IPF GL points = result × round6(100 ÷ (A − B × e^(−C × body weight))) DOTS points = result × 500 ÷ (a + b·x + c·x² + d·x³ + e·x⁴) Wilks points = result × 500 ÷ (a + b·x + c·x² + d·x³ + e·x⁴ + f·x⁵) x = body weight in kg (clamped to each formula's range)
In every formula, "result" is the weight you lifted, in kg. In the GL line, A, B and C are fixed numbers set by the IPF, and e is the constant 2.718… used for growth curves. round6 means the multiplier is rounded to six decimals. In the DOTS and Wilks lines, x is your body weight in kg, and a to f are fixed numbers for each formula.
IPF GL uses a curve that flattens out at high body weights. There are eight sets of A, B and C: men and women, classic and equipped, total and bench press. They come from the IPF's 2020 coefficient table. As the IPF directs, the multiplier is rounded to six decimals before it's multiplied by your result.
DOTS and Wilks add up fixed numbers times powers of your body weight. Those numbers never change, but they're different for men and women. Each formula was built from lifters in a certain weight range. For DOTS that's 40–210 kg for men and 40–150 kg for women. For Wilks it's 40–201.9 kg for men and 26.51–154.53 kg for women. Outside that range, the calculator uses the nearest edge, as the OpenPowerlifting database does. That keeps very light or heavy lifters from getting extreme multipliers.
Pounds are converted with the exact factor 1 lb = 0.45359237 kg before scoring.
Worked example
A man weighing 90 kg totals 700 kg in a classic (raw) meet.
- Bottom of the GL fraction: 1,199.72839 − 1,025.18162 × e^(−0.00921 × 90) = 752.206673.
- GL multiplier: 100 ÷ 752.206673 = 0.132942 (rounded to six decimals).
- Points: 0.132942 × 700 = 93.06.
- For comparison, the same lift scores 452.62 DOTS points and 446.88 Wilks points.
Result: The 700 kg total at 90 kg is worth 93.06 IPF GL points.
Understanding the result
Only compare scores from the same formula. GL points sit around 100 for elite lifters, while DOTS and Wilks scores for the same lifters are several hundred.
A higher score means you lifted more than the formula expects at your body weight. It doesn't adjust for age. None of these formulas measures health or fitness.
Assumptions and limitations
- The IPF GL numbers are the ones the IPF published in May 2020.
- DOTS and Wilks use their original published numbers (not the revised 2020 Wilks).
- Body weight is your weigh-in weight, and results are successful competition lifts.
- Federations update their formulas. Check which one a meet uses before comparing to its results.
- Age adjustments for masters and junior lifters aren't applied.
- The formulas were built from competitive lifters. They mean less for beginners, or for lifts done outside competition rules.
Frequently asked questions
Which formula should I use?
Use the one your meet or federation uses. IPF events and their affiliates rank lifters with IPF GL points. Many other federations and team competitions use DOTS. Wilks shows up in older records and some local meets.
What is a good IPF GL score?
The IPF set up the formula so its average elite reference lifter scores 100 at every body weight. That lets you read a score as a percentage of that elite level. For example, 80 points means 80% of the elite reference result for your body weight. A score above 100 beats the elite average.
Can I compare men and women with these scores?
Each formula has separate numbers for men and women, so each is scored against its own reference group. DOTS was designed to make mixed team competitions possible. Still, no formula makes comparing men and women exact.
Why did my score change when I switched from kg to lb?
It shouldn't, as long as both numbers are converted. The calculator converts your body weight and the weight lifted to kilograms separately. So check that each unit selector matches the number you typed.
Sources
- IPF: The IPF GL Coefficients for Relative Scoring (2020) (checked 2026-10-19)
How this calculator is checked
Method: IPF GL: IPF document 'The IPF GL Coefficients for Relative Scoring' (2020), Table 1, checked against its two published examples. DOTS and original Wilks coefficients and body-weight clamps as implemented by the OpenPowerlifting project, checked against its reference values. The calculation is covered by automated tests with known reference values and edge cases. Last updated 2026-10-18. Found a problem? Tell us.
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