A method of monitoring the use of exercise equipment at an exercise facility having a plurality of items of exercise equipment, the method comprising the steps of: providing a plurality of usage monitors, each associated with an item of exercise equipment, monitoring the usage of the plurality of items of exercise equipment concurrently using the usage monitors, and thereby calculating, for at least some of the items of exercise equipment, a measure of the proportion of the period of time during which respective items of exercise equipment are used. In some embodiments, the usage monitors can detect when an item of exercise equipment is occupied, even if it is not being operated, for example using a heat sensor. A graphical representation may be prepared of the usage of items of exercise equipment at each of a plurality of locations within the exercise facility.