One Rep Max for 40 kg × 12 reps

One Rep Max Calculator
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What is the one rep max for 40 kg × 12 reps?

Answer

Lifting 40 kg for 12 reps gives an estimated one rep max of
56 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 51.3–57.8 kg: treat 56 kg as a rough guide.

40 × (1 + 12 ÷ 30) = 56 kg

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%53.2 kg
90%50.4 kg
85%47.6 kg
80%44.8 kg
75%42 kg
71.4%40 kg — this set
70%39.2 kg
65%36.4 kg
60%33.6 kg

See Also

One Rep Max Table for 40 kg

RepsOne Rep Max% of 1RM
2 reps42.7 kg93.7%
3 reps44 kg90.9%
4 reps45.3 kg88.3%
5 reps46.7 kg85.7%
6 reps48 kg83.3%
7 reps49.3 kg81.1%
8 reps50.7 kg78.9%
9 reps52 kg76.9%
10 reps53.3 kg75%
11 reps54.7 kg73.1%
12 reps56 kg71.4%

FAQ

What is the one rep max for 40 kg × 12 reps?

Lifting 40 kg for 12 reps gives an estimated one rep max of 56 kg

How much of my max is 40 kg for 12 reps?

40 kg for 12 reps works out at 71.4% of an estimated one rep max of 56 kg.

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

90% of 56 kg is 50.4 kg and 70% is 39.2 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.