Calculate your 1RM
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1.3.5for iPhone, iPad and more
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About Calculate your 1RM
Calculate your 1RM and percentages with the most known formulas.
1RM is the specific resistance that allows you to make only one repetition in an exercise. Determines your strength and power at a particular time. Knowing your 1RM will help you know how much weight you can lift for a given number of repetitions, it can also be used to check changes between measurements to know if the training is being effective or not.
To calculate your 1RM you need to know how much weight you can lift and how many reps you can do in a particular exercise, it is advisable to perform the calculation with less than 12 repetitions, because from there the calculations become less reliable.
Formulas used in this application:
-Epley
-Lander
-O'Conner et al
-Lombardi
-Mayhew et al
-Brzycki
-Wathen
1RM is the specific resistance that allows you to make only one repetition in an exercise. Determines your strength and power at a particular time. Knowing your 1RM will help you know how much weight you can lift for a given number of repetitions, it can also be used to check changes between measurements to know if the training is being effective or not.
To calculate your 1RM you need to know how much weight you can lift and how many reps you can do in a particular exercise, it is advisable to perform the calculation with less than 12 repetitions, because from there the calculations become less reliable.
Formulas used in this application:
-Epley
-Lander
-O'Conner et al
-Lombardi
-Mayhew et al
-Brzycki
-Wathen
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What's New in the Latest Version 1.3.5
Last updated on Mar 16, 2018
Old Versions
This app has been updated by Apple to display the Apple Watch app icon.
Bug fixes and performance improvements.
Bug fixes and performance improvements.
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Version History
1.3.5
Mar 16, 2018
This app has been updated by Apple to display the Apple Watch app icon.
Bug fixes and performance improvements.
Bug fixes and performance improvements.
1.3.4
Feb 16, 2018
Bug fixes.
1.3.3
Nov 28, 2017
Bug fixes.
1.3.2
Nov 27, 2017
Bug fixes.
1.3.1
Nov 13, 2017
Bug fixes.
1.3.0
Nov 10, 2017
Added cloud backup and iPhone X support.
1.2.5
May 11, 2017
Bug fixes.
1.2.2
May 3, 2017
Calculate your 1RM FAQ
Click here to learn how to download Calculate your 1RM in restricted country or region.
Check the following list to see the minimum requirements of Calculate your 1RM.
iPhone
Requires iOS 9.0 or later.
iPad
Requires iPadOS 9.0 or later.
iPod touch
Requires iOS 9.0 or later.
Calculate your 1RM supports English, Portuguese, Spanish
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