One Rep Max for 15 kg × 12 reps

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What is the one rep max for 15 kg × 12 reps?

Answer

Lifting 15 kg for 12 reps gives an estimated one rep max of
21 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 19.2–21.7 kg: treat 21 kg as a rough guide.

15 × (1 + 12 ÷ 30) = 21 kg

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%20 kg
90%18.9 kg
85%17.9 kg
80%16.8 kg
75%15.8 kg
71.4%15 kg — this set
70%14.7 kg
65%13.7 kg
60%12.6 kg

Related Calculations

See Also

One Rep Max Table for 15 kg

RepsOne Rep Max% of 1RM
2 reps16 kg93.8%
3 reps16.5 kg90.9%
4 reps17 kg88.2%
5 reps17.5 kg85.7%
6 reps18 kg83.3%
7 reps18.5 kg81.1%
8 reps19 kg78.9%
9 reps19.5 kg76.9%
10 reps20 kg75%
11 reps20.5 kg73.2%
12 reps21 kg71.4%

FAQ

What is the one rep max for 15 kg × 12 reps?

Lifting 15 kg for 12 reps gives an estimated one rep max of 21 kg

How much of my max is 15 kg for 12 reps?

15 kg for 12 reps works out at 71.4% of an estimated one rep max of 21 kg.

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

90% of 21 kg is 18.9 kg and 70% is 14.7 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.

See Also