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Fitness Calculators

Working weights, loaded plates, and a plan for the warm-up. Keep the numbers close to your training.

RPE Converter

Estimate intensity based on RPE.

Unit:
Estimate 1RM →
Quick 1RM:

RPE (Rate of Perceived Exertion) measures intensity based on reps in reserve.

  • @10: Max effort, no reps left.
  • @9: 1 rep left in the tank.
  • @8: 2 reps left in the tank.
Estimated Intensity
81 %

of your One Rep Max

Weight to Load
50 lbs

Plates / side: 1×2.5

Rounded for standard plates

@RPE 8 Prescription Chart
Reps% 1RMWeight Plates / side
192%55 lbs 1×5
289%55 lbs 1×5
386%50 lbs 1×2.5
484%50 lbs 1×2.5
581%50 lbs 1×2.5
679%45 lbs Empty bar
874%45 lbs Empty bar
1068%40 lbs Empty bar
1263%40 lbs Empty bar