One Rep Max for 12.5 kg × 8 reps

One Rep Max Calculator
One Rep Max for
lifted for
reps

What is the one rep max for 12.5 kg × 8 reps?

Answer

Lifting 12.5 kg for 8 reps gives an estimated one rep max of
15.8 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

12.5 × (1 + 8 ÷ 30) ≈ 15.8 kg

comparison of methods: six other published formulas give 15–16 kg

Training Weights as a % of 1RM
% of 1RMWorking Weight
95%15 kg
90%14.2 kg
85%13.4 kg
80%12.6 kg
79.1%12.5 kg — this set
75%11.9 kg
70%11.1 kg
65%10.3 kg
60%9.5 kg

See Also

One Rep Max Table for 12.5 kg

RepsOne Rep Max% of 1RM
2 reps13.3 kg94%
3 reps13.8 kg90.6%
4 reps14.2 kg88%
5 reps14.6 kg85.6%
6 reps15 kg83.3%
7 reps15.4 kg81.2%
8 reps15.8 kg79.1%
9 reps16.3 kg76.7%
10 reps16.7 kg74.9%
11 reps17.1 kg73.1%
12 reps17.5 kg71.4%

FAQ

What is the one rep max for 12.5 kg × 8 reps?

Lifting 12.5 kg for 8 reps gives an estimated one rep max of 15.8 kg

How much of my max is 12.5 kg for 8 reps?

12.5 kg for 8 reps works out at 79.1% of an estimated one rep max of 15.8 kg.

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

90% of 15.8 kg is 14.2 kg and 70% is 11.1 kg. Heavy strength work usually sits at 85–95%, while volume and technique work sits nearer 65–75%.