--- title: "1RM Percentage Calculator - Reviews, Revenue and Downloads in United States | Apple App Store" description: "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 rep" --- # 1RM Percentage Calculator — United States > Percentage-Based Workout Util ![1RM Percentage Calculator App Icon](https://is1-ssl.mzstatic.com/image/thumb/Purple211/v4/79/70/ec/7970ec0d-8c83-a40f-547e-099e8e6e4cb5/AppIcon-0-0-1x_U007ephone-0-1-85-220.png/400x400bb.png) **Developer:** [Jonathan McDill](https://apptail.io/developer/jonathan-mcdill-LwHc) **Category:** Health Fitness **Rating:** 5.0/5 (4 ratings) **Price:** Free **Bundle ID:** com.oleosjo.rm **Store:** Apple App Store **Country:** United States **Version:** 2.0 (released 2026-01-13) **Original Release:** 2023-07-28 **App Store Link:** [Download on Apple App Store](https://apps.apple.com/us/app/app/id6451496905) **AppTail Page:** [https://apptail.io/app/1rm-percentage-calculator-gpen/united-states](https://apptail.io/app/1rm-percentage-calculator-gpen/united-states) ## 1RM Percentage Calculator Description 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 ## 1RM Percentage Calculator Screenshots - [Screenshot 1](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/5d/49/fe/5d49fedf-4146-2bf3-4083-2ca0c8fdbd0c/Screenshot_2026-01-11_at_17.29.22_iPhone_6.5_Display.png/1242x2688.png) - [Screenshot 2](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/ce/2c/2a/ce2c2a7f-5fd6-84d8-9a1a-cf3a503ddcad/Screenshot_2026-01-11_at_17.28.25_iPhone_6.5_Display.png/1242x2688.png) - [Screenshot 3](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource211/v4/8c/91/63/8c916308-89d9-c01b-fe3d-dff0f4eb1871/Screenshot_2026-01-11_at_17.27.38_iPhone_6.5_Display.png/1242x2688.png) - [Screenshot 4](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/0b/ac/52/0bac5230-e8dd-5ca5-5aee-b9ce1be1fbf4/Screenshot_2026-01-11_at_17.28.41_iPhone_6.5_Display.png/1242x2688.png) - [Screenshot 5](https://is1-ssl.mzstatic.com/image/thumb/PurpleSource221/v4/68/bc/fc/68bcfced-9bd5-e1e9-1b59-cf9a0e3f284f/Screenshot_2026-01-11_at_17.29.00_iPhone_6.5_Display.png/1242x2688.png) ## 1RM Percentage Calculator Rating Breakdown in United States - 5 stars: 4 (100%) - 4 stars: 0 (0%) - 3 stars: 0 (0%) - 2 stars: 0 (0%) - 1 stars: 0 (0%) ## 1RM Percentage Calculator In-App Purchases | Item | Price | |------|-------| | 1RM & Sets Calculator | $1.99 | ## Apps Similar to 1RM Percentage Calculator - [EasyPlate](https://apptail.io/app/easyplate-gWTb/united-states) - [Barbell Plate Racking Calc](https://apptail.io/app/barbell-plate-racking-calc-fulc/united-states) - [ProgressTraining](https://apptail.io/app/progresstraining-Tgud/united-states) - [yROM Goniometer](https://apptail.io/app/yrom-goniometer-mawe/united-states) - [MinimaLift](https://apptail.io/app/minimalift-STRj/united-states) - [MaxLift - 1RM Calculator](https://apptail.io/app/maxlift-1rm-calculator-vvcm/united-states) - [Gym Bar Calculator](https://apptail.io/app/gym-bar-calculator-cPtm/united-states) - [RepMax: 1RM Calculator](https://apptail.io/app/repmax-1rm-calculator-DxEm/united-states) ## 1RM Percentage Calculator Available In - [United States](https://apptail.io/app/1rm-percentage-calculator-gpen/united-states) - [Nepal](https://apptail.io/app/1rm-percentage-calculator-gpen/nepal) - [Angola](https://apptail.io/app/1rm-percentage-calculator-gpen/angola) - [Argentina](https://apptail.io/app/1rm-percentage-calculator-gpen/argentina) - [Australia](https://apptail.io/app/1rm-percentage-calculator-gpen/australia) - [Azerbaijan](https://apptail.io/app/1rm-percentage-calculator-gpen/azerbaijan) - [Bahrain](https://apptail.io/app/1rm-percentage-calculator-gpen/bahrain) - [Brunei](https://apptail.io/app/1rm-percentage-calculator-gpen/brunei) - [Brazil](https://apptail.io/app/1rm-percentage-calculator-gpen/brazil) - [Belarus](https://apptail.io/app/1rm-percentage-calculator-gpen/belarus) - [Canada](https://apptail.io/app/1rm-percentage-calculator-gpen/canada) - 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