One Rep Max Calculator — 1RM Strength Calculator
Calculate your 1RM (one repetition maximum) for bench press, squat, deadlift, and any exercise. Uses Epley, Brzycki, Lander, and other formulas for accurate estimates.
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How to Use One Rep Max Calculator
- 1Enter the required values in the input fields above.
- 2Click the Calculate button or results update instantly as you type.
- 3View your results in the output panel below the inputs.
- 4Adjust any values to recalculate instantly.