One Rep Max for 20 lbs × 12 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 20 lbs × 12 reps?

Answer

Lifting 20 lbs for 12 reps gives an estimated one rep max of
28 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 25.6–28.9 lbs: treat 28 lbs as a rough guide.

20 × (1 + 12 ÷ 30) = 28 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%26.6 lbs
90%25.2 lbs
85%23.8 lbs
80%22.4 lbs
75%21 lbs
71.4%20 lbs — this set
70%19.6 lbs
65%18.2 lbs
60%16.8 lbs

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See Also

One Rep Max Table for 20 lbs

RepsOne Rep Max% of 1RM
2 reps21.3 lbs93.9%
3 reps22 lbs90.9%
4 reps22.7 lbs88.1%
5 reps23.3 lbs85.8%
6 reps24 lbs83.3%
7 reps24.7 lbs81%
8 reps25.3 lbs79.1%
9 reps26 lbs76.9%
10 reps26.7 lbs74.9%
11 reps27.3 lbs73.3%
12 reps28 lbs71.4%

FAQ

What is the one rep max for 20 lbs × 12 reps?

Lifting 20 lbs for 12 reps gives an estimated one rep max of 28 lbs

How much of my max is 20 lbs for 12 reps?

20 lbs for 12 reps works out at 71.4% of an estimated one rep max of 28 lbs.

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

90% of 28 lbs is 25.2 lbs and 70% is 19.6 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also