Estimated One-Rep Max: 56.0 kg
For 40kg for 12 reps, the estimated one-rep max is 56.0 kg.
Estimated One-Rep Max
56.0 kg
Formula
1RM = Weight × (1 + Reps ÷ 30) — the Epley formula
This is an estimate based on a standard formula — actual results vary by individual fitness and testing conditions.
Frequently Asked Questions
What is the estimated one-rep max for 40kg for 12 reps?
56.0 kg.