ST
Strength Tools
Calculators, reviews, and training content

Strength calculator

RPE Prescription Calculator

Get exact working weights for your target reps and RIR.

RPE Load Calculator

How to use:

  • • Enter your one-rep max (1RM) for the exercise
  • • Type how many reps you plan to perform (1-30)
  • • Select your desired RIR from the dropdown (how many reps left in the tank)
  • • Click Calculate to see your recommended training load