One Rep Max for 300 lbs × 4 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 300 lbs × 4 reps?

Answer

Lifting 300 lbs for 4 reps gives an estimated one rep max of
340 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

300 × (1 + 4 ÷ 30) = 340 lbs

comparison of methods: six other published formulas give 327.3–349.5 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%323 lbs
90%306 lbs
88.2%300 lbs — this set
85%289 lbs
80%272 lbs
75%255 lbs
70%238 lbs
65%221 lbs
60%204 lbs

See Also

One Rep Max Table for 300 lbs

RepsOne Rep Max% of 1RM
2 reps320 lbs93.8%
3 reps330 lbs90.9%
4 reps340 lbs88.2%
5 reps350 lbs85.7%
6 reps360 lbs83.3%
7 reps370 lbs81.1%
8 reps380 lbs78.9%
9 reps390 lbs76.9%
10 reps400 lbs75%
11 reps410 lbs73.2%
12 reps420 lbs71.4%

FAQ

What is the one rep max for 300 lbs × 4 reps?

Lifting 300 lbs for 4 reps gives an estimated one rep max of 340 lbs

How much of my max is 300 lbs for 4 reps?

300 lbs for 4 reps works out at 88.2% of an estimated one rep max of 340 lbs.

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

90% of 340 lbs is 306 lbs and 70% is 238 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.