One Rep Max for 280 lbs × 6 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 280 lbs × 6 reps?

Answer

Lifting 280 lbs for 6 reps gives an estimated one rep max of
336 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

280 × (1 + 6 ÷ 30) = 336 lbs

comparison of methods: six other published formulas give 322–340.1 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%319.2 lbs
90%302.4 lbs
85%285.6 lbs
83.3%280 lbs — this set
80%268.8 lbs
75%252 lbs
70%235.2 lbs
65%218.4 lbs
60%201.6 lbs

See Also

One Rep Max Table for 280 lbs

RepsOne Rep Max% of 1RM
2 reps298.7 lbs93.7%
3 reps308 lbs90.9%
4 reps317.3 lbs88.2%
5 reps326.7 lbs85.7%
6 reps336 lbs83.3%
7 reps345.3 lbs81.1%
8 reps354.7 lbs78.9%
9 reps364 lbs76.9%
10 reps373.3 lbs75%
11 reps382.7 lbs73.2%
12 reps392 lbs71.4%

FAQ

What is the one rep max for 280 lbs × 6 reps?

Lifting 280 lbs for 6 reps gives an estimated one rep max of 336 lbs

How much of my max is 280 lbs for 6 reps?

280 lbs for 6 reps works out at 83.3% of an estimated one rep max of 336 lbs.

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

90% of 336 lbs is 302.4 lbs and 70% is 235.2 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.