One Rep Max for 100 lbs × 9 reps

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What is the one rep max for 100 lbs × 9 reps?

Answer

Lifting 100 lbs for 9 reps gives an estimated one rep max of
130 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

100 × (1 + 9 ÷ 30) = 130 lbs

comparison of methods: six other published formulas give 122.5–131.8 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%123.5 lbs
90%117 lbs
85%110.5 lbs
80%104 lbs
76.9%100 lbs — this set
75%97.5 lbs
70%91 lbs
65%84.5 lbs
60%78 lbs

Related Calculations

See Also

One Rep Max Table for 100 lbs

RepsOne Rep Max% of 1RM
2 reps106.7 lbs93.7%
3 reps110 lbs90.9%
4 reps113.3 lbs88.3%
5 reps116.7 lbs85.7%
6 reps120 lbs83.3%
7 reps123.3 lbs81.1%
8 reps126.7 lbs78.9%
9 reps130 lbs76.9%
10 reps133.3 lbs75%
11 reps136.7 lbs73.2%
12 reps140 lbs71.4%

FAQ

What is the one rep max for 100 lbs × 9 reps?

Lifting 100 lbs for 9 reps gives an estimated one rep max of 130 lbs

How much of my max is 100 lbs for 9 reps?

100 lbs for 9 reps works out at 76.9% of an estimated one rep max of 130 lbs.

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

90% of 130 lbs is 117 lbs and 70% is 91 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also