1RepMax calculator

Enter your reps and weight to calculate.





Reps Weight
1100.0  (100%)
293.8  (94%)
390.9  (91%)
488.2  (88%)
585.7  (86%)
683.3  (83%)
781.1  (81%)
878.9  (79%)
976.9  (77%)
1075.0  (75%)