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RM Calculator

RM Calculator uses the seven best formulas for calculating your max reps (Lombardi, Brzycki, Epley, Mayhew, O'Conner, Wathan, Lander), you can choose one of them, or find an average for the most accurate result of possible max reps.
Knowing how many repetitions you should be doing and could be doing is important to determine how strong a person is at a certain time and is useful for competing in certain sports such as weightlifting or powerlifting, planning routines, both strength and hypertrophy, and more!

1RM (One Repetition Maximum) in weight training, is the maximum amount of force that can be generated in a maximal contraction. One repetition maximum can be used to determine the maximum strength of a person and is the method to determine the winner in sports events like powerlifting.

1RM also be used to determine the desired load for an exercise (as a percentage of 1RM).

The repetition maximum (RM) can be calculated directly by testing highs, or indirectly using submaximal estimate. It is preferable to use submaximal estimate because it is safer, faster and less confusing for inexperienced athletes.

Category : Health & Fitness

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Reviews (8)

Asa. M. Aug 9, 2019     

Like this calculator. If they could give the table to 20 it'll be a blast.

Sha. M. Nov 12, 2018     

it's just a rep calculator straight forward and simple 💪💪

Par. D. Mar 16, 2019     

Good calculations. Easy to use

art. b. Aug 21, 2021     

please please please, make it so you can edit and remove previous rm calculations.

Mat. K. Sep 27, 2017     

Amazing app, shows exactly what I want. I love the record keeper !

Cul. J. Feb 6, 2018     

The ads are pretty aggressive, but it does what I need it to

A. G. u. Dec 19, 2017     

Would have given 5* if there weren't those pop adds

Jos. R. S. B. Dec 20, 2017     

A great app. Simple to use and gives all the useful info that I need. It gives the weight in kg/lbs, % and #reps. 💪💪