One Rep Max for 105 lbs × 8 reps

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What is the one rep max for 105 lbs × 8 reps?

Answer

Lifting 105 lbs for 8 reps gives an estimated one rep max of
133 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

105 × (1 + 8 ÷ 30) = 133 lbs

comparison of methods: six other published formulas give 126–134.6 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%126.4 lbs
90%119.7 lbs
85%113.1 lbs
80%106.4 lbs
78.9%105 lbs — this set
75%99.8 lbs
70%93.1 lbs
65%86.5 lbs
60%79.8 lbs

Related Calculations

See Also

One Rep Max Table for 105 lbs

RepsOne Rep Max% of 1RM
2 reps112 lbs93.8%
3 reps115.5 lbs90.9%
4 reps119 lbs88.2%
5 reps122.5 lbs85.7%
6 reps126 lbs83.3%
7 reps129.5 lbs81.1%
8 reps133 lbs78.9%
9 reps136.5 lbs76.9%
10 reps140 lbs75%
11 reps143.5 lbs73.2%
12 reps147 lbs71.4%

FAQ

What is the one rep max for 105 lbs × 8 reps?

Lifting 105 lbs for 8 reps gives an estimated one rep max of 133 lbs

How much of my max is 105 lbs for 8 reps?

105 lbs for 8 reps works out at 78.9% of an estimated one rep max of 133 lbs.

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

90% of 133 lbs is 119.7 lbs and 70% is 93.1 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also