One Rep Max for 80 lbs × 9 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 80 lbs × 9 reps?

Answer

Lifting 80 lbs for 9 reps gives an estimated one rep max of
104 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

80 × (1 + 9 ÷ 30) = 104 lbs

comparison of methods: six other published formulas give 98–105.4 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%98.8 lbs
90%93.6 lbs
85%88.4 lbs
80%83.2 lbs
76.9%80 lbs — this set
75%78 lbs
70%72.8 lbs
65%67.6 lbs
60%62.4 lbs

See Also

One Rep Max Table for 80 lbs

RepsOne Rep Max% of 1RM
2 reps85.3 lbs93.8%
3 reps88 lbs90.9%
4 reps90.7 lbs88.2%
5 reps93.3 lbs85.7%
6 reps96 lbs83.3%
7 reps98.7 lbs81.1%
8 reps101.3 lbs79%
9 reps104 lbs76.9%
10 reps106.7 lbs75%
11 reps109.3 lbs73.2%
12 reps112 lbs71.4%

FAQ

What is the one rep max for 80 lbs × 9 reps?

Lifting 80 lbs for 9 reps gives an estimated one rep max of 104 lbs

How much of my max is 80 lbs for 9 reps?

80 lbs for 9 reps works out at 76.9% of an estimated one rep max of 104 lbs.

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

90% of 104 lbs is 93.6 lbs and 70% is 72.8 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.