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The O'Conner one Rep Max Weight calculator computes the approximate maximum weight one can lift using the O'Conner formula.
INSTRUCTIONS: Choose units and enter the following:
- (w) Weight lifted in repetitions.
- (r) 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.
Weight Lifting and Body Building Formulas
- Brzycki: Computes the approximate one-rep maximum weight one can lift using the Brzycki formula.
- Epley 1 Rep Max Formula: Computes the one repetition max using the Epley formula, the weight lifted and the number of repetitions.
- Landers Max Weight: Computes the approximate one-rep maximum weight one can lift using the Lander's formula, weight lifted and number of repetitions.
- Lombardi One Rep Maximum: Estimates the maximum amount of force that can be generated in one maximal lift based on the reps done on a lesser weight.
- Mayhew Max Weight: Computes the approximate one repetition maximum weight one can lift using the Mayhew formula.
- O'Conner one Rep Max Weight: Computes the approximate maximum weight one can lift using the O'Conner formula.
- Wathen Max Weight: Computes the approximate maximum one repetition weight one can lift using the Wathen formula.
- DAPRE Progression for Endurance: Computes the amount of weight you should lift for a given set to build endurance based on the target weight.
- DAPRE Progression for Endurance: Set 4 New Target Weight: Computes the target weight change (if any) for set four of a DAPRE Endurance workout.
- DAPRE Progression for Strength: Computes the amount of weight you should lift for a given set to build strength based on the target weight.
- DAPRE Progression for Strength: Set 4 New Target Weight: Computes the target weight change (if any) for set four of a DAPRE Strength workout
- Macronutrient Breakdown for Building Muscle
- IPF GL Coefficient Points Calculator: Computes the points associated with a comparative weight lifted between weight lifters based on the weight of the lifter (w), the weight lifted (x), the type of life and the gender of the lifter, all corrected by the International Powerlifting Federation Good Lift (IPF GL) Coefficient formula.
- IPF Good Lift Coefficient: Computes the comparative weight coefficient between weight lifters based on the weight of the lifter (x), the type of lift and the gender of the lifter, all combined in the IPF GL Coefficient formula.
- Simple Tait One Rep Max: Computes the approximate one rep max using the Simple Tait formula adjusted for RPE.
- Wilks Coefficient: Computes the comparative weight lifted coefficient between weight lifters based on the weight of the lifter and the gender of the lifter, all combined by the Wilks Coefficient formula.
- Wilks Coefficient Applied: Computes Wilks Coefficient formula value and applies it to Good Lift weight.
