Linked from
The 7 pages that link to Weights and Measures Act 1824, each with the reason it gives.
Imperial unitsRelated: This act established the system and defined its initial standards.
Foot (unit)Related: It legally defined the imperial foot as one-third of a yard.
GallonRelated: The act fixed the British gallon at a distinct volume.
Long tonRelated: The act formalized the measurement system in which the long ton became standard.
AvoirdupoisRelated: It formalized imperial standards that included avoirdupois measures.