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Just enter the details below. This is only an estimate, but it should give you a good indication of your strength.

Weight Lifted
Reps Done (1-10)
50% 1 RM
55% 1 RM
60% 1 RM
65% 1 RM
70% 1 RM
75% 1 RM
80% 1 RM
85% 1 RM
90% 1 RM
95% 1 RM
Your One Rep Max is: