One Rep Max for 55 lbs × 5 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 55 lbs × 5 reps?

Answer

Lifting 55 lbs for 5 reps gives an estimated one rep max of
64.2 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

55 × (1 + 5 ÷ 30) ≈ 64.2 lbs

comparison of methods: six other published formulas give 61.9–65.5 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%61 lbs
90%57.8 lbs
85.7%55 lbs — this set
85%54.6 lbs
80%51.4 lbs
75%48.2 lbs
70%44.9 lbs
65%41.7 lbs
60%38.5 lbs

See Also

One Rep Max Table for 55 lbs

RepsOne Rep Max% of 1RM
2 reps58.7 lbs93.7%
3 reps60.5 lbs90.9%
4 reps62.3 lbs88.3%
5 reps64.2 lbs85.7%
6 reps66 lbs83.3%
7 reps67.8 lbs81.1%
8 reps69.7 lbs78.9%
9 reps71.5 lbs76.9%
10 reps73.3 lbs75%
11 reps75.2 lbs73.1%
12 reps77 lbs71.4%

FAQ

What is the one rep max for 55 lbs × 5 reps?

Lifting 55 lbs for 5 reps gives an estimated one rep max of 64.2 lbs

How much of my max is 55 lbs for 5 reps?

55 lbs for 5 reps works out at 85.7% of an estimated one rep max of 64.2 lbs.

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

90% of 64.2 lbs is 57.8 lbs and 70% is 44.9 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.