DOTS Score Calculator

How it works

DOTS is a bodyweight-adjusted scoring formula for powerlifting. Because a heavier lifter can move more absolute kilograms than a lighter one without necessarily being “stronger” pound for pound, raw totals alone don’t let you compare a 60kg lifter against a 120kg lifter fairly. DOTS solves this by dividing a lifter’s total by a bodyweight-based polynomial and scaling the result, producing a single relative-strength score that’s roughly comparable across the whole bodyweight range and between men and women.

DOTS replaced the older Wilks formula as the standard relative-strength scoring system in most powerlifting federations, including the IPF, from 2019 onward. It uses coefficients recalculated from a larger, more recent dataset of competition results, which corrected accuracy problems Wilks showed at the very light and very heavy ends of the bodyweight range.

The formula:

denominator = a + b·bw + c·bw² + d·bw³ + e·bw⁴
DOTS score  = total × 500 / denominator

where bw is bodyweight in kilograms and a through e are published constants that differ for men and women.

This calculator implements the published DOTS formula exactly, with no adjustments or simplifications. It’s intended as a quick, free estimate — for anything that matters competitively (meet placings, Best Lifter awards, records), always cross-check your result against your federation’s own official calculator, since even a tiny difference in how a coefficient is transcribed changes the result at the decimal level.

Worked example

Take a male lifter weighing 83kg with a competition total (squat + bench + deadlift) of 500kg.

Step 1 — work out the powers of bodyweight.

Power	Value
bw	83
bw²	6,889
bw³	571,787
bw⁴	47,458,321

Step 2 — apply the men’s coefficients to each power and add them up.

Term	Calculation	Result
a	—	−307.7508
b·bw	24.0900756 × 83	+1,999.4763
c·bw²	−0.1918759221 × 6,889	−1,321.8332
d·bw³	0.0007391293 × 571,787	+422.6245
e·bw⁴	−0.000001093 × 47,458,321	−51.8719

Adding the five terms together: −307.7508 + 1,999.4763 − 1,321.8332 + 422.6245 − 51.8719 = 740.6449 (denominator).

Step 3 — apply the DOTS formula.

DOTS score = 500 × 500 / 740.6449
           = 250,000 / 740.6449
           ≈ 337.54

So an 83kg male lifter totalling 500kg scores approximately 337.54 DOTS points. That single number is what lets you compare this lifter directly against, say, a 66kg lifter with a smaller total, or a female lifter at a completely different bodyweight — whoever has the higher DOTS score lifted more relative to their own bodyweight.