One Rep Max for 40 lbs × 7 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 40 lbs × 7 reps?

Answer

Lifting 40 lbs for 7 reps gives an estimated one rep max of
49.3 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

40 × (1 + 7 ÷ 30) ≈ 49.3 lbs

comparison of methods: six other published formulas give 47–49.8 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%46.8 lbs
90%44.4 lbs
85%41.9 lbs
81.1%40 lbs — this set
80%39.4 lbs
75%37 lbs
70%34.5 lbs
65%32 lbs
60%29.6 lbs

See Also

One Rep Max Table for 40 lbs

RepsOne Rep Max% of 1RM
2 reps42.7 lbs93.7%
3 reps44 lbs90.9%
4 reps45.3 lbs88.3%
5 reps46.7 lbs85.7%
6 reps48 lbs83.3%
7 reps49.3 lbs81.1%
8 reps50.7 lbs78.9%
9 reps52 lbs76.9%
10 reps53.3 lbs75%
11 reps54.7 lbs73.1%
12 reps56 lbs71.4%

FAQ

What is the one rep max for 40 lbs × 7 reps?

Lifting 40 lbs for 7 reps gives an estimated one rep max of 49.3 lbs

How much of my max is 40 lbs for 7 reps?

40 lbs for 7 reps works out at 81.1% of an estimated one rep max of 49.3 lbs.

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

90% of 49.3 lbs is 44.4 lbs and 70% is 34.5 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.