15+ 1 Rep Max Calculator Bench Background. This calculator will estimate your one rep maximum based on weight and repetitions. Your one rep maximum is the most accurate measure of your strength we have at our disposal, it is used to determine the winner in international powerlifting competitions.
Men's health shows you how to find the max you can lift in one rep.
Why use a one rep max calculator. You don't have a spotter available to help you find a 1 rep max on your bench press, but you do know you can squeeze out (barely) 5 good reps at 230 lbs. One rep max calculator, discover your 1rm as well as other rep maximums. Max rep calculator is always an easier choice since everything can be done with a very simple proportion.
