Maximum Load (1RM)

If you need to determine your maximum load (1RM) for a weight training exercise then there is a way of obtaining an approximate value based on a weight and the number of repetitions you can perform to exhaustion for that exercise. The following equations provide a good estimate of the maximum load providing the number of repetitions does not exceed 12.

Brzycki's equation to determine Max load

The Brzycki equation is as follows:

  • Weight ÷ ( 1.0278 - ( 0.0278 × Number of repetitions ) )

Alternative equation to determine Max load

The alternative equation is as follows:

  • Weight × ( 1 + ( 0.033 × Number of repetitions ) )

Max Load Calculator

Enter the weight, the number of repetitions and then select the Calculate Button. Estimates of the maximum load will then be displayed using the Brzycki and Alternative equations.

Weight Kg Repetitions
Max Load Max Load
Brzycki Kg Alternative Kg

Free Calculator

  • Max Load Calculator - a free Microsoft Excel spreadsheet which you can download and use on your computer.

Complete Olympic Lifting

Complete Olympic Lifting DVD

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Turbulence Training

Turbulence Training

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Associated Pages

The following Sports Coach pages should be read in conjunction with this page: