One Rep Max for 45 kg × 8 reps

One Rep Max Calculator
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What is the one rep max for 45 kg × 8 reps?

Answer

Lifting 45 kg for 8 reps gives an estimated one rep max of
57 kg

Epley formula · an estimate from a set taken close to failure; accuracy depends on the exercise and the person and drops as reps grow

45 × (1 + 8 ÷ 30) = 57 kg

comparison of methods: six other published formulas give 54–57.7 kg

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%54.2 kg
90%51.3 kg
85%48.5 kg
80%45.6 kg
78.9%45 kg — this set
75%42.8 kg
70%39.9 kg
65%37.1 kg
60%34.2 kg

See Also

One Rep Max Table for 45 kg

RepsOne Rep Max% of 1RM
2 reps48 kg93.8%
3 reps49.5 kg90.9%
4 reps51 kg88.2%
5 reps52.5 kg85.7%
6 reps54 kg83.3%
7 reps55.5 kg81.1%
8 reps57 kg78.9%
9 reps58.5 kg76.9%
10 reps60 kg75%
11 reps61.5 kg73.2%
12 reps63 kg71.4%

FAQ

What is the one rep max for 45 kg × 8 reps?

Lifting 45 kg for 8 reps gives an estimated one rep max of 57 kg

How much of my max is 45 kg for 8 reps?

45 kg for 8 reps works out at 78.9% of an estimated one rep max of 57 kg.

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

90% of 57 kg is 51.3 kg and 70% is 39.9 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.