1RM Percentage Calculator

2.0

Jonathan McDill

5.00

4 reviews

Free

Screenshots by Jonathan McDill, from the the App Store listing

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AppBrain's verdict

Rating on App Store: 5.00; 4 ratings
Last updated: January 13, 2026
Size: 33.5 MB

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Store listing

By Jonathan McDill, from the App Store

Description by Jonathan McDill Written by the developer, not by AppBrain. Click to read.

1RM Percentage Calculator helps you set up and calculate your percentage based workouts. With custom percentages for ultimate control! Once you set up your percentages, easily view your calculated reps for each set in your workout. Use the integrated 1RM calculator to get an estimate of your one rep max. You can fully customize your plate weights and barbell. This utility allows you to easily set up your workouts without all the math!

Main Features:
- Percentage based workout sets calculator
- Automatic plating algorithm
- One rep max estimate calculator (Brzycki formula)
- Customizable weights

** UNLOCKED Version Features **
- Unlimited sets
- Keep track of reps for each set
- Convenient scroller to move through your sets one at a time
- Barbell plating helper with graphic
- Themes

Safety and technology

Found in the app by AppBrain

Price: Free
App size: 33.5 MB
Content rating: Everyone

Technologies used by 1RM Percentage Calculator

Releases

Updates seen on the App Store

Version: 2.0
Launched: July 2023

No changelog data

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About the app and developer

About 1RM Percentage Calculator

1RM Percentage Calculator is a health & fitness app developed by Jonathan McDill.

What is the rating of 1RM Percentage Calculator?

1RM Percentage Calculator is rated 5.00 out of 5 stars, based on 4 ratings.

Is 1RM Percentage Calculator free?

1RM Percentage Calculator is free. The app size is 33.48 MB. The latest version available is 2.0. The last update was on January 13, 2026.

What are the requirements for 1RM Percentage Calculator?

The app has a content rating of Everyone. The app has been available on the App Store since July 2023.

1RM Percentage Calculator is made and published by Jonathan McDill. AppBrain is an independent app data site and isn't affiliated with Jonathan McDill. The app name, icon, screenshots and description belong to Jonathan McDill and are shown as published on the App Store.

Developer information for Jonathan McDill

Jonathan McDill

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