Parfenov Training

RPE Scale

Rep-Based

RPE Scale

Try to get a sense for how many reps you could have done at the end of each set. Initially it t will feel like you are making up numbers, however over time you will be able to get fairly close to your actual max. Target RPE range will vary depending on the rep scheme. As a rule of thumb:

RPE PERCEIVED EXERTION
6 warm-up weight / definitely 4 more seconds
6.5 maybe 4 more seconds
7 definitely 3 more seconds
7.5 maybe 3 more seconds
8 definitely 2 more seconds
8.5 maybe 2 more seconds
9 definitely 1 more seconds
9.5 maybe 1 more seconds
10 MAXIMUM EFFORT

Hypertrophy
RPE < 6

Strength
RPE 6.5-8.5

Power
RPE 8-9.5