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How to calculate your 1RM: a complete guide with formulas, table, and calculator

If you're serious about strength training, sooner or later you'll need to calculate your 1RM: the maximum weight you can lift in a single repetition of an exercise. It's the most widely used metric for programming sets, adjusting intensity, and measuring whether you're truly progressing. And the good news is that you don't need to risk taking a test.

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