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1RM (One-Rep Max)

Estimate your one-rep max using the Epley formula.

Estimate your 1RM from ??? lbs lifted for ??? repetitions.

Your estimated 1RM (lbs)

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How it works

Add query parameters to the embed URL using each field's ID. Non-numeric values are ignored.

ParameterTypeDefault
weightnumber175
repsslider5