One Rep Max Calculator February 8, 2021January 30, 2021 by Mike A simple one rep max calculator with a comprehensive table. One Rep Max CalculatorCalculate your one-rep max (1RM) for any lift. Your one-rep max is the max weight you can lift for a single repetition for a given exercise. Lift (kg)RepititionsYour one rep max is% of 1RM100%Lift WeightRep of 1RM1% of 1RM95%Lift WeightRep of 1RM2% of 1RM90%Lift WeightRep of 1RM4% of 1RM85%Lift WeightRep of 1RM6% of 1RM80%Lift WeightRep of 1RM8% of 1RM75%Lift WeightRep of 1RM10% of 1RM70%Lift WeightRep of 1RM12% of 1RM65%Lift WeightRep of 1RM16% of 1RM60%Lift WeightRep of 1RM20% of 1RM55%Lift WeightRep of 1RM24% of 1RM50%Lift WeightRep of 1RM30 Payment options Sign up to get a mail when I publish a new calculator/tutorial Your NameYour Email* Payment options Facebook0LinkedIn0Email0