One Rep Max for 45 kg × 12 reps

One Rep Max Calculator
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What is the one rep max for 45 kg × 12 reps?

Answer

Lifting 45 kg for 12 reps gives an estimated one rep max of
63 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

At 12 reps the formulas drift apart — the others give 57.7–65 kg: treat 63 kg as a rough guide.

45 × (1 + 12 ÷ 30) = 63 kg

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%59.9 kg
90%56.7 kg
85%53.6 kg
80%50.4 kg
75%47.3 kg
71.4%45 kg — this set
70%44.1 kg
65%41 kg
60%37.8 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 × 12 reps?

Lifting 45 kg for 12 reps gives an estimated one rep max of 63 kg

How much of my max is 45 kg for 12 reps?

45 kg for 12 reps works out at 71.4% of an estimated one rep max of 63 kg.

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

90% of 63 kg is 56.7 kg and 70% is 44.1 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.