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1 Imperial pint (UK) = 20 UK fluid ounces = 0.568261 litres.

1 pint (US, wet) = 16 US fluid ounces = 0.473176 litres .

1 pint (US, dry) = 0.550610 litres.

1 pint (US, wet) = 2 US cups

The metric equivalents above are rounded to six decimal places.

As part of the metrication process, the pint in the UK is now mostly used as a measure for beer when sold by the glass (in public houses for instance) and milk. Many recipes published in the UK still provide ingredient quantities in imperial and metric, where the pint is often used as a unit for larger liquid quantites.

History

The Imperial pint is defined in terms of the gallon, which was originally defined as the volume of eight pounds of wheat. Other versions of the gallon were defined for different commodities, and there were equally many versions of the pint.

America adopted the British wine gallon (defined in 1707 as 231 cubic inches) as its basic liquid measure, from which the US wet pint is derived, and the British corn gallon (1/8 of a standard "Winchester" bushelA bushel is a unit of volume, used (with somewhat different definitions) in the systems of Imperial units and U. customary units. It is used for volumes of dry commodities, not liquids, most often in agriculture. The Imperial bushel equals 8 Imperial gall of cornCereal crops are mostly grasses cultivated for their edible seeds (actually a fruit called a grain technically a caryopsis . Cereal grains are grown in greater quantities worldwide than any other type of crop and provide more calories to the human race., or 268.8 cubic inches) as its dry measure, from which the US dry pint is derived.

In 1824Events January 22 Ashantis crush British forces in the Gold Coast Cimetiere du Montparnasse established The Dutch sign the Masang Agreement temporarily ending hostilities in the Padri War March 17 signing of the Anglo-Dutch Treaty of 1824. March 11 The Un the British parliament replaced all its variant gallons with a new "imperial" gallon of 277.42 cubic inches, from which the UK pint is derived.

The UK pint is officially defined as 0.56826125 litres precisely in The Units of Measurement Regulations 1995.