1 Rep Max Calculator

1 Rep Max Calculator


1RM is a must have for any Bodybuilder, Fitness Fanatic, or Gym Jockey. Using popular formulas, it can accurately estimate your 1 Rep Max for Bench Press, Squats, Deadlift, or any other exercise in your workout routine. It works for barbells and dumbbells.

It works by estimating with data you already know. You enter the reps and weight you were previously able to successfully complete and it will estimate your 1 rep max!

This app helps keep you safe by giving you an estimate on how much you can lift before actually attempting it yourself. This helps to prevent muscle and body damage so you can keep your health and continue to build your strength.

1RM also has a percentage chart for those who are doing workouts which require knowing the percentage of your 1 rep max.

This app works best when the reps used are less than 12. I recommend using the reps between 3 and 10 for highest accuracy. For this reason, I recommend you do not use this to calculate maxes for exercises such as push ups sit ups or crunches.

1RM will undoubtedly supplement any bodybuilders lifting regimen and can help you achieve more effect sets so you can build more muscle.

ALWAYS USE A SPOTTER. APPLICATIONS LIKE THIS ARE DESIGNED TO MAKE WEIGHT LIFTING SAFER BUT CANNOT GUARANTEE YOUR NOR ANYONE ELSE'S SAFETY. THESE CALCULATIONS ARE ONLY ESTIMATES AND CAN BE INACCURATE.

Recent changes:
Version 3.0.1 - 8/22/12
- Fixed crash on percentages screen

Version 3.0 - 8/22/12
- New Layout
- Landscape mode
- Improved Percentages table
- Improved bug handling
- Ads can now be closed
- Fixed icon on high res screens
- Fixed cut offs on shorter screens
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Free
91
4.6
User ratings
1058
Installs
100,000+
Concerns
0
File size
681 kb
Screenshots
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About 1 Rep Max Calculator
1RM is a must have for any Bodybuilder, Fitness Fanatic, or Gym Jockey. Using popular formulas, it can accurately estimate your 1 Rep Max for Bench Press, Squats, Deadlift, or any other exercise in your workout routine. It works for barbells and dumbbells.

It works by estimating with data you already know. You enter the reps and weight you were previously able to successfully complete and it will estimate your 1 rep max!

This app helps keep you safe by giving you an estimate on how much you can lift before actually attempting it yourself. This helps to prevent muscle and body damage so you can keep your health and continue to build your strength.

1RM also has a percentage chart for those who are doing workouts which require knowing the percentage of your 1 rep max.

This app works best when the reps used are less than 12. I recommend using the reps between 3 and 10 for highest accuracy. For this reason, I recommend you do not use this to calculate maxes for exercises such as push ups sit ups or crunches.

1RM will undoubtedly supplement any bodybuilders lifting regimen and can help you achieve more effect sets so you can build more muscle.

ALWAYS USE A SPOTTER. APPLICATIONS LIKE THIS ARE DESIGNED TO MAKE WEIGHT LIFTING SAFER BUT CANNOT GUARANTEE YOUR NOR ANYONE ELSE'S SAFETY. THESE CALCULATIONS ARE ONLY ESTIMATES AND CAN BE INACCURATE.

Recent changes:
Version 3.0.1 - 8/22/12
- Fixed crash on percentages screen

Version 3.0 - 8/22/12
- New Layout
- Landscape mode
- Improved Percentages table
- Improved bug handling
- Ads can now be closed
- Fixed icon on high res screens
- Fixed cut offs on shorter screens
User reviews of 1 Rep Max Calculator
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Android Market Comments
A Google User
Jul 20, 2014
Great tool im the training room Great way to make sure you are lifting the appropriate amount of weight for the number of reps you're looking to complete. I'm mad that I didn't find this app sooner.
A Google User
Jul 19, 2014
Simple And does what it's supposed to do. Great way to give me an idea of how much I can lift.
A Google User
Jul 6, 2014
☺ Great app
A Google User
Jul 5, 2014
Great for what it is.
A Google User
Jul 3, 2014
Simple and to the point Effective basic features, does what I need it to do and quickly! Yes, there are ads but they don't get in the way.