Custom RPE to Percentage Chart Calculator for Strength Training
Many strength training programs use RPE (Rate of Perceived Exertion) to prescribe training intensity, but most standard RPE-to-percentage charts are based on generalized estimates. In reality, lifters often have very different strength profiles, meaning the same RPE can correspond to different percentages depending on the athlete.
To make load selection more individualized, I created a customizable RPE-to-percentage chart calculator. By entering your 1RM and 5RM for a specific lift, the spreadsheet automatically generates individualized percentage values across multiple rep ranges and RPE targets.
You can use true tested maxes or estimated values such as e1RM and estimated rep maxes, making the tool useful whether you are in a testing phase or in the middle of a training block. The result is a personalized RPE chart that better reflects your own strength profile and helps improve programming accuracy, load selection, and training precision.
Click and download the spreadsheet below to generate your own customized RPE-to-percentage chart.

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