Learn 5/3/1

Estimated 1RM (e1RM)

Estimated 1RM (e1RM) converts a multi-rep set into a one-rep-max estimate.

The app uses the Epley formula: weight × (1 + reps ÷ 30). A 225 × 5 set estimates ~262.

Treat it as a floor for planning, not a promise — it tracks trend, not test-day reality.