1RM calculator in © Sports Coach (Bench Press, Sit Ups… with Brzycki’s equation and alternative)

1RM calculator in © Sports Coach (Bench Press, Sit Ups… with Brzycki’s equation and alternative).

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.