General
rpe
What does rpe mean?
Rate of Perceived Exertion: a 1–10 scale rating how hard a set felt, used to autoregulate training.
"Keep those top sets around RPE 8."
Origin
Sports-science scale adopted widely in strength training.
Frequently asked questions
What does RPE mean in the gym?
RPE stands for Rate of Perceived Exertion, a 1–10 scale for how hard a set felt. RPE 10 means maximum effort with nothing left in the tank.
What is RPE 8?
RPE 8 means the set felt like you had about 2 more good reps in reserve before failure. It's a common target for effective but sustainable training.
How is RPE different from RIR?
They're two sides of the same coin: RPE 8 corresponds to roughly 2 reps in reserve (RIR 2), RPE 9 to 1 RIR, and RPE 10 to 0 RIR.
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