RPE / RIR Chart
Rate of Perceived Exertion (RPE) and Reps in Reserve (RIR) help you gauge set intensity without maxing out.
| RPE | RIR | Approx. % 1RM | Feels like |
|---|---|---|---|
| 10 | 0 | 100% | No reps left — maximal effort |
| 9.5 | 0–1 | 97% | Could maybe do 1 more rep |
| 9 | 1 | 95% | 1 rep left in the tank |
| 8.5 | 1–2 | 92% | Between 1 and 2 reps left |
| 8 | 2 | 90% | 2 reps left in the tank |
| 7 | 3 | 85% | 3 reps left in the tank |
| 6 | 4 | 80% | 4 reps left in the tank |