One Rep Max for 80 lbs × 4 reps

One Rep Max Calculator
One Rep Max for
lifted for
reps

What is the one rep max for 80 lbs × 4 reps?

Answer

Lifting 80 lbs for 4 reps gives an estimated one rep max of
90.7 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

80 × (1 + 4 ÷ 30) ≈ 90.7 lbs

comparison of methods: six other published formulas give 87.3–93.2 lbs

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%86.2 lbs
90%81.6 lbs
88.2%80 lbs — this set
85%77.1 lbs
80%72.6 lbs
75%68 lbs
70%63.5 lbs
65%59 lbs
60%54.4 lbs

See Also

One Rep Max Table for 80 lbs

RepsOne Rep Max% of 1RM
2 reps85.3 lbs93.8%
3 reps88 lbs90.9%
4 reps90.7 lbs88.2%
5 reps93.3 lbs85.7%
6 reps96 lbs83.3%
7 reps98.7 lbs81.1%
8 reps101.3 lbs79%
9 reps104 lbs76.9%
10 reps106.7 lbs75%
11 reps109.3 lbs73.2%
12 reps112 lbs71.4%

FAQ

What is the one rep max for 80 lbs × 4 reps?

Lifting 80 lbs for 4 reps gives an estimated one rep max of 90.7 lbs

How much of my max is 80 lbs for 4 reps?

80 lbs for 4 reps works out at 88.2% of an estimated one rep max of 90.7 lbs.

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

90% of 90.7 lbs is 81.6 lbs and 70% is 63.5 lbs. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.