One Rep Max Calculator

One Rep Max Calculator icon

One Rep Max Calculator

Rogan Software

4.7

17 ratings

1,000+

downloads

Free

+ in-app

With this fitness app, you can input weight and reps to estimate your one-rep max and view reference percentages. Includes calculation tools and reference tables for various percentages of your 1RM.

AppRecs review analysis

AppRecs rating 4.7. Trustworthiness 0 out of 100. Review manipulation risk 0 out of 100. Based on a review sample analyzed.

★★★★

4.7

AppRecs Rating

Ratings breakdown

5 star

75%

4 star

25%

3 star

0%

2 star

0%

1 star

0%

What to know

High user satisfaction

75% of sampled ratings are 5 stars

About One Rep Max Calculator

Simple, useful weightlifting/fitness app to estimate 1RM (one rep maximum) given a weight and number of reps.

Features:

* Estimates 1RM
* List reference for 95%, 90%, 85%, .. of calculated 1RM

Helps you quickly get the right plates on your barbell. Stop doing the math yourself!

App uses Brzycki Formula detailed here:
http://en.wikipedia.org/wiki/One-repetition_maximum
One Rep Max Calculator Screenshots
Screenshot 1Screenshot 2
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