Load factor may refer to: Load factor (aeronautics), the ratio of the lift of an aircraft to its weight Load factor (computer science), the ratio of the number of records to the number of addresses within a data structure Load factor (electrical), the average power divided by the peak power over a period of time Capacity factor, the ratio of actual energy output to the theoretical maximum possible in a power station Passenger load factor, the ratio of revenue passenger miles to available seat miles of a particular transportation operation (e.g. a flight) Factor loadings in statistics, the exposure to specific factors or components in Factor Analysis or Principal Component Analysis See also Add-on factor - sometimes called load factor