One Rep Max for 15 lbs × 7 reps

One Rep Max Calculator
One Rep Max for
lifted for
reps

What is the one rep max for 15 lbs × 7 reps?

Answer

Lifting 15 lbs for 7 reps gives an estimated one rep max of
18.5 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

15 × (1 + 7 ÷ 30) = 18.5 lbs

comparison of methods: six other published formulas give 17.6–18.7 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%17.6 lbs
90%16.7 lbs
85%15.7 lbs
81.1%15 lbs — this set
80%14.8 lbs
75%13.9 lbs
70%13 lbs
65%12 lbs
60%11.1 lbs

See Also

One Rep Max Table for 15 lbs

RepsOne Rep Max% of 1RM
2 reps16 lbs93.8%
3 reps16.5 lbs90.9%
4 reps17 lbs88.2%
5 reps17.5 lbs85.7%
6 reps18 lbs83.3%
7 reps18.5 lbs81.1%
8 reps19 lbs78.9%
9 reps19.5 lbs76.9%
10 reps20 lbs75%
11 reps20.5 lbs73.2%
12 reps21 lbs71.4%

FAQ

What is the one rep max for 15 lbs × 7 reps?

Lifting 15 lbs for 7 reps gives an estimated one rep max of 18.5 lbs

How much of my max is 15 lbs for 7 reps?

15 lbs for 7 reps works out at 81.1% of an estimated one rep max of 18.5 lbs.

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

90% of 18.5 lbs is 16.7 lbs and 70% is 13 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also