One Rep Max for 285 lbs × 12 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 285 lbs × 12 reps?

Answer

Lifting 285 lbs for 12 reps gives an estimated one rep max of
399 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

At 12 reps the formulas drift apart — the others give 365.4–411.6 lbs: treat 399 lbs as a rough guide.

285 × (1 + 12 ÷ 30) = 399 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%379.1 lbs
90%359.1 lbs
85%339.2 lbs
80%319.2 lbs
75%299.3 lbs
71.4%285 lbs — this set
70%279.3 lbs
65%259.4 lbs
60%239.4 lbs

See Also

One Rep Max Table for 285 lbs

RepsOne Rep Max% of 1RM
2 reps304 lbs93.8%
3 reps313.5 lbs90.9%
4 reps323 lbs88.2%
5 reps332.5 lbs85.7%
6 reps342 lbs83.3%
7 reps351.5 lbs81.1%
8 reps361 lbs78.9%
9 reps370.5 lbs76.9%
10 reps380 lbs75%
11 reps389.5 lbs73.2%
12 reps399 lbs71.4%

FAQ

What is the one rep max for 285 lbs × 12 reps?

Lifting 285 lbs for 12 reps gives an estimated one rep max of 399 lbs

How much of my max is 285 lbs for 12 reps?

285 lbs for 12 reps works out at 71.4% of an estimated one rep max of 399 lbs.

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

90% of 399 lbs is 359.1 lbs and 70% is 279.3 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.