One Rep Max for 255 lbs × 6 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 255 lbs × 6 reps?

Answer

Lifting 255 lbs for 6 reps gives an estimated one rep max of
306 lbs

Epley formula · an estimate from a set taken close to failure; accuracy depends on the exercise and the person and drops as reps grow

255 × (1 + 6 ÷ 30) = 306 lbs

comparison of methods: six other published formulas give 293.3–309.8 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%290.7 lbs
90%275.4 lbs
85%260.1 lbs
83.3%255 lbs — this set
80%244.8 lbs
75%229.5 lbs
70%214.2 lbs
65%198.9 lbs
60%183.6 lbs

See Also

One Rep Max Table for 255 lbs

RepsOne Rep Max% of 1RM
2 reps272 lbs93.8%
3 reps280.5 lbs90.9%
4 reps289 lbs88.2%
5 reps297.5 lbs85.7%
6 reps306 lbs83.3%
7 reps314.5 lbs81.1%
8 reps323 lbs78.9%
9 reps331.5 lbs76.9%
10 reps340 lbs75%
11 reps348.5 lbs73.2%
12 reps357 lbs71.4%

FAQ

What is the one rep max for 255 lbs × 6 reps?

Lifting 255 lbs for 6 reps gives an estimated one rep max of 306 lbs

How much of my max is 255 lbs for 6 reps?

255 lbs for 6 reps works out at 83.3% of an estimated one rep max of 306 lbs.

What should I lift at 90% and 70% of that max?

90% of 306 lbs is 275.4 lbs and 70% is 214.2 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.