1 Rep Max Calculator
Estimate your 1RM from a recent set using the Epley formula.
Estimated 1RM262.5 lb
50%131.3 lb
60%157.5 lb
65%170.6 lb
70%183.8 lb
75%196.9 lb
80%210 lb
85%223.1 lb
90%236.3 lb
95%249.4 lb
100%262.5 lb
Training estimates vary. This is not a guarantee of a true one-rep max.