Rates developed for a line of property/casualty business based on the concept of what is average for that particular class. For example; the class rate for fire on a frame grocery store would be based on the average statistics for all frame grocery stores and would be applied to all frame grocery stores unless otherwise specifically rated. Rates are then deviated for other factors such as the public protection class and, when applicable, individual risk characteristics.

A rate for risks of similar hazard. Class rates, for example, apply to dwellings.

The rate charged for commodities grouped according to similar shipping characteristics. Class Rate applies to numbered/lettered groups/classes of articles contained in the territorial rating column in classification schedules.

A monetary charge based on an assigned class rating (a percentage of Class 100) published in the Uniform Freight Classification.