One Rep Max for 55 lbs × 8 reps

One Rep Max Calculator
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What is the one rep max for 55 lbs × 8 reps?

Answer

Lifting 55 lbs for 8 reps gives an estimated one rep max of
69.7 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 + 8 ÷ 30) ≈ 69.7 lbs

comparison of methods: six other published formulas give 66–70.5 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%66.2 lbs
90%62.7 lbs
85%59.2 lbs
80%55.8 lbs
78.9%55 lbs — this set
75%52.3 lbs
70%48.8 lbs
65%45.3 lbs
60%41.8 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 × 8 reps?

Lifting 55 lbs for 8 reps gives an estimated one rep max of 69.7 lbs

How much of my max is 55 lbs for 8 reps?

55 lbs for 8 reps works out at 78.9% of an estimated one rep max of 69.7 lbs.

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

90% of 69.7 lbs is 62.7 lbs and 70% is 48.8 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also