Estimate your one-rep max from the weight and reps you can lift.
The One Rep Max (1RM) Calculator estimates the maximum weight you can lift for a single repetition based on submaximal performance. It uses three respected formulas — Epley, Brzycki, and Lombardi — and includes a percentage-based training load table for programming your workouts.
Epley, Brzycki, and Lombardi compared side by side.
Percentage-based weights for strength, hypertrophy, and endurance.
Switch units instantly.
Works with any submaximal set.