plural of Elo rating

A metric indicating the relative skill level of a player in zero-sum games such as chess.

plural of hourly rating

(electrical engineering, rail transport) A measure of the maximum output, usually expressed in horsepower, that can be obtained from the motors of an electric locomotive for a period of one hour without the motors overheating.

A telephone number for which an extra charge is assessed to the caller, part of which is returned to the owner of the number.

plural of premium-rate telephone number

A metric that estimates how well a television programme or advertisement reached its target audience

plural of target rating point

The maximum allowable total mass of a road vehicle or trailer when loaded.

plural of gross vehicle weight rating