RPE to reps-in-reserve table
RPE is useful because it adds a confidence range to percentage work. A planned 85% set can be a clean RPE 7 on a strong day or a slow RPE 9.5 when recovery is poor. The load decision should follow the set you actually performed.
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| RPE | RIR | Meaning | Next load decision |
|---|---|---|---|
| 10 | 0 | True max effort | Do not add weight for repeat sets. Reduce 5-10% if more work is planned. |
| 9.5 | 0-1 | Maybe one clean rep left | Hold load for singles, or reduce 2.5-5% for volume work. |
| 9 | 1 | Heavy top set | Use as a realistic daily strength marker. |
| 8 | 2 | Hard but repeatable | Good target for most strength and hypertrophy work. |
| 7 | 3 | Moderate volume set | Add 2.5-7.5% if the plan called for a hard top set. |
| 6 | 4 | Technique or warm-up load | Keep for practice, or increase 5-10% before the work set. |
| 5 or below | 5+ | Easy warm-up | Use only for ramping, recovery, or speed practice. |
Lift-specific RPE advice
RPE is not only a number. It depends on whether the movement still matched the standard you intended to train.
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| Lift | RPE signal | Training advice |
|---|---|---|
| Bench press | Bar speed slows near lockout | Use 2.5-5 lb jumps and keep the same pause standard. |
| Squat | Depth or torso angle changes | Treat the set as higher RPE and hold or reduce the next jump. |
| Deadlift | Grip, breathing, or back position limits reps | Cap most work at RPE 8-9 and avoid repeated RPE 10 pulls. |
| Overhead press | Layback or knee dip appears | Count it as a different movement and use the lower load. |
How to use RPE with a 1RM estimate
Start with your estimated 1RM or training max, choose the planned percentage, then let RPE decide whether the load is believable today. If a set planned at RPE 8 feels like RPE 9.5, reduce the next set by 2.5-5%. If it feels like RPE 6, add a small jump or keep the load for cleaner volume.
The goal is not to turn every workout into a max test. RPE gives the estimate a confidence interval: the same 1RM can produce different useful training loads depending on fatigue, skill, and the lift standard that day.
Related calculators
Sources
- Helms et al. 2018 - RPE and autoregulation in resistance training.
- Zourdos et al. 2019 - Resistance-training intensity and repetitions-in-reserve research.
FAQ
Is RPE a calculator or a chart?
For strength training, RPE is a practical lookup from effort to reps in reserve. Use the table to adjust load after each set.
What is RPE 8?
RPE 8 usually means about two clean reps in reserve. It should feel hard but repeatable.
How much should I change the weight?
For barbell lifts, small jumps of 2.5-5% are usually enough. Larger jumps make sense only when the previous set was clearly too easy.