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# O'Conner et al

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Equation / Last modified by KurtHeckman on 2017/03/25 17:23
`1RM = `

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CalebSvobodny.O'Conner et al

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ee2764a2-1d21-11e6-9770-bc764e2038f2

The **O'Conner Max Weight** calculator computes the approximate maximum weight one can lift using the O'Conner 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 O'Conner's 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.

##### Related Calculators

- To compute the one repetition max weight using the Brzycki Formula, CLICK HERE.
- To compute the one repetition max weight using the Epley Formula, CLICK HERE.
- To compute the one repetition max weight using the Lander's Formula, CLICK HERE.
- To compute the one repetition max weight using the Mayhew Formula, CLICK HERE.
- To compute the one repetition max weight using the Lombardi Formula, CLICK HERE.
- To compute the one repetition max weight using the Wathen Formula, CLICK HERE..

This equation,

**O'Conner et al**, is used in 1 calculator.**Calculators**