Question 1

How do I calculate my 1RM?

Accepted Answer

Enter the weight lifted and the number of reps performed. The calculator uses the Epley formula to estimate your one-rep max.

Question 2

Is the 1RM calculator free?

Accepted Answer

Yes, the one-rep max calculator is completely free with no sign-up required.

Question 3

What are training zones used for?

Accepted Answer

Training zones (percentages of 1RM) help you target your sessions: maximal strength, hypertrophy, or muscular endurance.

One Rep Max calculator | Gratis tool

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