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Free Tool
Convert your Rate of Perceived Exertion into a percentage of your one-rep max. Dial in the right training intensity for every set.
RPE stands for Rate of Perceived Exertion. It is a subjective scale that measures how hard a set felt relative to your maximum capacity. The scale runs from 6 to 10:
Each combination of RPE and rep count corresponds to a specific percentage of your one-rep max. This relationship was mapped by powerlifting coach Mike Tuchscherer and his Reactive Training Systems (RTS) methodology. By knowing two of the three variables — weight, reps, and RPE — you can estimate your true 1RM and plan training loads precisely.
Auto-regulates intensity
RPE adapts to how you feel each day. If you slept poorly or are fatigued, the weights adjust naturally.
More accurate than fixed percentages
Your true 1RM fluctuates daily. RPE captures that variation instead of relying on a number you tested weeks ago.
Better fatigue management
By prescribing RPE targets, coaches can keep athletes training hard without pushing into unnecessary failure.
Applicable to any lift
RPE works for squats, bench press, deadlifts, overhead press — any barbell or machine movement.
RPE takes practice. New lifters often underestimate or overestimate their effort. Video-review your top sets and compare bar speed to calibrate your RPE over time.
Log your sets with RPE, track your estimated 1RM over time, and let your coach program the perfect intensity for every session.
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