Calculate your DOTS score for powerlifting using bodyweight and total (squat + bench + deadlift).
Choose units (lb/kg) and sex for accurate scoring.
Inputs
Male
Female
Pounds (lb)
Kilograms (kg)
USA lifters usually use lb. DOTS is calculated in kg internally.
Enter your bodyweight in selected units.
Enter your meet total in selected units.
DOTS uses a coefficient based on bodyweight. This tool converts lb → kg automatically when needed.
Results
Bodyweight (kg)—
Total (kg)—
DOTS Score—
Enter your details and click Calculate.
(function(){
const root = document.getElementById(‘DOTSCalc_US_v1’);
if(!root) return;
const sexEl = root.querySelector(‘#sex’);
const unitsEl = root.querySelector(‘#units’);
const bwEl = root.querySelector(‘#bw’);
const totalEl = root.querySelector(‘#total’);
const warn = root.querySelector(‘#warn’);
const bwKgOut = root.querySelector(‘#bwKgOut’);
const totalKgOut = root.querySelector(‘#totalKgOut’);
const dotsOut = root.querySelector(‘#dotsOut’);
const resultNote = root.querySelector(‘#resultNote’);
function showWarn(msg){
warn.style.display = msg ? ‘block’ : ‘none’;
warn.textContent = msg || ”;
}
function lbToKg(x){ return x * 0.45359237; }
// DOTS coefficient polynomials (standard DOTS 2019+)
// Coefficient = 500 / (a + b*w + c*w^2 + d*w^3 + e*w^4 + f*w^5)
// DOTS score = coefficient * total_kg
function dotsCoeffMale(w){
const a = -307.75076;
const b = 24.0900756;
const c = -0.1918759221;
const d = 0.0007391293;
const e = -0.000001093;
const f = 0.0000000000; // negligible in many implementations
const denom = a + b*w + c*w*w + d*w*w*w + e*w*w*w*w + f*w*w*w*w*w;
return 500 / denom;
}
function dotsCoeffFemale(w){
const a = -57.96288;
const b = 13.6175032;
const c = -0.1126655495;
const d = 0.0005158568;
const e = -0.0000010706;
const f = 0.0000000000;
const denom = a + b*w + c*w*w + d*w*w*w + e*w*w*w*w + f*w*w*w*w*w;
return 500 / denom;
}
function calc(){
const units = unitsEl.value;
const sex = sexEl.value;
let bw = Number(bwEl.value);
let total = Number(totalEl.value);
if(!isFinite(bw) || !isFinite(total)){
showWarn(‘Please enter valid numbers for bodyweight and total.’);
return;
}
if(bw <= 0 || total <= 0){
showWarn('Bodyweight and total must be greater than zero.');
return;
}
// Convert to kg
const bwKg = (units === 'lb') ? lbToKg(bw) : bw;
const totalKg = (units === 'lb') ? lbToKg(total) : total;
// Reasonable ranges (soft validation)
if(bwKg 250){
showWarn(‘Bodyweight looks unusual. Please check your units.’);
// not returning; still compute
} else {
showWarn(”);
}
const coeff = (sex === ‘male’) ? dotsCoeffMale(bwKg) : dotsCoeffFemale(bwKg);
const score = coeff * totalKg;
bwKgOut.textContent = bwKg.toFixed(2);
totalKgOut.textContent = totalKg.toFixed(2);
dotsOut.textContent = score.toFixed(2);
resultNote.textContent =
‘DOTS Score is calculated using a bodyweight-based coefficient and your total (in kilograms).’;
}
function reset(){
sexEl.value = ‘male’;
unitsEl.value = ‘lb’;
bwEl.value = 198;
totalEl.value = 1200;
bwKgOut.textContent = ‘—’;
totalKgOut.textContent = ‘—’;
dotsOut.textContent = ‘—’;
resultNote.textContent = ‘Enter your details and click Calculate.’;
showWarn(”);
}
root.querySelector(‘#calcBtn’).addEventListener(‘click’, calc);
root.querySelector(‘#resetBtn’).addEventListener(‘click’, reset);
})();
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