Plate loading calculator
Stop doing plate math between sets — enter the target, get the plates for each side.
Per side
Standard bar (45 lb) loads to 225 lb
Assumes a standard plate set (45, 35, 25, 10, 5, 2.5 lb) with enough of each. Heaviest plates go on first.
Why plate math goes wrong
Every lifter has unracked a bar that felt mysteriously heavy and discovered a 35 hiding behind a 45. The failure mode is always the same: computing per-side weight mid-workout, tired, in a hurry. The arithmetic is trivial at a desk — subtract the bar, halve the rest — and reliably fumbled between sets, which is exactly when it matters.
This pairs naturally with the warm-up sets calculator: it gives you the ramp weights, this one turns each ramp weight into plates. Two glances at your phone and the whole session's loading is decided.
Frequently asked questions
How much does a barbell weigh?
A standard Olympic bar is 45 lb (20 kg), a women's Olympic bar is 35 lb (15 kg), and technique bars run around 15 lb (7.5 kg). Specialty bars vary widely — safety squat bars are often 60–70 lb, trap bars 45–60 lb — so check the label or weigh it once and remember.
Do collars count toward the weight?
Cheap spring collars weigh a few ounces — ignore them. Competition collars are 2.5 kg each by design and absolutely count: a 20 kg bar with competition collars starts at 25 kg before any plates. This calculator assumes ordinary gym collars, i.e. effectively zero.
Why can't I load my exact target weight?
The smallest common plate is 2.5 lb (1.25 kg), which changes the bar in 5 lb (2.5 kg) steps — anything between two steps isn't loadable with a standard set. When that happens the calculator shows the closest weight below your target. If your gym has fractional plates (0.25–1 lb), use them; they're the best tool there is for progressing the slow lifts.
In what order should plates go on the bar?
Heaviest first, closest to the collar, then descending — exactly how the calculator lists them. It keeps the load stable, protects the smaller plates, and makes the bar readable at a glance: anyone who lifts can see '2 plates and a quarter' and know it's 235.
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