Guides
Training Guides
Short, evergreen articles on strength math and workout planning — written to pair with our calculators and exercise library.
How to Calculate Your One-Rep Max
Estimate your one-rep max from a submaximal set using the Epley and Brzycki formulas — then turn that number into training loads without attempting a true max.
How to Use RPE for Working SetsLearn the RPE 1–10 / RIR scale for strength training, how to pick working-set loads, when to adjust mid-session, and how rest fits the target effort.