Category 06 · Health & Fitness
One Rep Max Calculator
Estimate one-repetition maximum from a submaximal lift using the Epley equation.
Result
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1RM formulas are estimates and should not replace safe lifting practice.
How to use this calculator
What to enter
Enter or select the following as requested: Weight lifted (kg); Repetitions. Follow the units, valid ranges, examples, and options displayed beside each field.
What the result means
The result is an estimate based on the personal measurements or performance inputs entered and the method used by this calculator. It is not a medical diagnosis or individualized professional assessment; individual needs and conditions can differ.
When to use it
Use this for general planning or educational reference. For health symptoms, treatment, nutrition needs, or exercise limitations, seek guidance from a qualified professional.