Estimate your one-rep max from any set. Enter the weight you lifted and how many reps you got, and we’ll estimate your 1RM plus a full percentage-of-max training table.
Units
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Averages the Epley and Brzycki formulas. Estimates only — not a substitute for a true max test.
How the 1RM estimate works
We average two proven formulas (Epley and Brzycki). Estimates are most accurate under about 8 reps.