One Rep Max for 280 lbs × 3 reps

One Rep Max Calculator
One Rep Max for
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What is the one rep max for 280 lbs × 3 reps?

Answer

Lifting 280 lbs for 3 reps gives an estimated one rep max of
308 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 + 3 ÷ 30) = 308 lbs

comparison of methods: six other published formulas give 296.5–319.2 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%292.6 lbs
90.9%280 lbs — this set
90%277.2 lbs
85%261.8 lbs
80%246.4 lbs
75%231 lbs
70%215.6 lbs
65%200.2 lbs
60%184.8 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 × 3 reps?

Lifting 280 lbs for 3 reps gives an estimated one rep max of 308 lbs

How much of my max is 280 lbs for 3 reps?

280 lbs for 3 reps works out at 90.9% of an estimated one rep max of 308 lbs.

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

90% of 308 lbs is 277.2 lbs and 70% is 215.6 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.