One Rep Max Calculator

Why use an online one rep max calculator?

You can easily and quickly calculate the maximum amount of weight you can lift for a single repetition using MYcalcu’s one rep max calculator.

Therefore, there would be no problem in ensuring whether you are gaining strength and muscles effectively.

This online calculator has no log-in or payment restrictions, and it is totally free.

How does it work?

The easiest way to calculate your one-rep max is to review your training log, find the most weight you've lifted on an exercise for 3 to 6 reps, and then enter your weight and reps into the Mycalcu’s One-Rep Max Calculator.

How to use the one rep max calculator?

Enter the required data in the provided fields and then click calculate to get your one-rep max.