What's New

This app has been updated by Apple to display the Apple Watch app icon.

If you find 1RM useful, I would appreciate a review on the app store! In any case, please let me know how I can make the app better.

[NEW] New icon.

[NEW] Optional display of both kilograms and pounds.

[NEW] Optimized for iPhone 6/6 Plus.

App Description

1RM is a simple weightlifting calculator which takes the pain out of the normal calculations a lifter needs to make in the gym. It can:

* Determine one-rep maximum (selecting from various algorithms).
* Compare lift against standards.
* Easily determine percentages of maximum.
* Convert between pounds and kilograms easily.
* Determine/verify plates.

iPhone Screenshots

(click to enlarge)

1RM screenshot 1 1RM screenshot 2 1RM screenshot 3 1RM screenshot 4 1RM screenshot 5

iPad Screenshots

(click to enlarge)

1RM screenshot 6 1RM screenshot 7 1RM screenshot 8 1RM screenshot 9 1RM screenshot 10

App Changes

  • February 04, 2014 Initial release
  • February 16, 2014 New version 1.1
  • March 04, 2014 New version 1.2
  • April 08, 2014 New version 1.3
  • February 18, 2015 New version 1.4

Other Apps From Michael Galloy

Simple Checklist : Repeat it Quantified Groceries