RPE/RIR Calculator

Take the guesswork out of your training with our RPE/RIR Calculator. This RPE/RIR calculator uses your previous set’s weight, reps, and RPE/RIR to estimate your 1-rep max and recommend the ideal load for your next set. Perfect for autoregulated training, RPE/RIR-based programs, and lifters who want to train smarter and recover better. If you’re new to RPE and RIR, you can learn more here.