One Rep Max

One Rep Max is defined as the maximum amount of weight that can be lifted in a single repitition.

This one rep max calculator gives an estimated 1 rep max based on a standard formula. Simply enter the amount of weight lifted along with the amount of reps to see your results.

Note: this calculator should be used for informational purposes only and is not intended to be 100% accurate. Please consult a physician before beginning any workout regimen.