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# Wathen formula

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Equation / Last modified by KurtHeckman on 2018/08/29 23:28
`1RM = `

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Rating

ID

Dasha.Wathen formula

UUID

e6abed16-1d21-11e6-9770-bc764e2038f2

The **Wathen Max Weight** calculator computes the approximate maximum weight one can lift using the Wathen formula.

**INSTRUCTIONS:** Choose your preferred units and enter the following:

- (
**w**) This is the weight lifted in repetitions. - (
**r**) This is the number of reps.

**Max Weight:** The calculator returns the approximate max weight in pounds. However, this can be automatically converted to other mass or weight units (e.g. kilograms) via the pull-down menu.

##### Math / Science

Max Repetition Weight formulas like Wathen are intended to provide an estimate on the maximum weight one can lift without having to attempt such a lift. The motivation is to avoid injuries associated with lifting one's max.

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This equation,

**Wathen formula**, is used in 1 calculator.**Calculators**