A peck is an imperial

Imperial unit

The system of imperial units or the imperial system is the system of units first defined in the British Weights and Measures Act of 1824, which was later refined and reduced. The system came into official use across the British Empire...

 and U.S. customary

United States customary units

United States customary units are a system of measurements commonly used in the United States. Many U.S. units are virtually identical to their imperial counterparts, but the U.S. customary system developed from English units used in the British Empire before the system of imperial units was...

 unit of dry volume

Dry measure

Dry measures are units of volume used to measure bulk commodities which are not gas or liquid. They are typically used in agriculture, agronomy, and commodity markets to measure grain, dried beans, and dried and fresh fruit ; formerly also salt pork and fish...

, equivalent to 2 gallon

Gallon

The gallon is a measure of volume. Historically it has had many different definitions, but there are three definitions in current use: the imperial gallon which is used in the United Kingdom and semi-officially within Canada, the United States liquid gallon and the lesser used United States dry...

s or 8 dry quart

Quart

The quart is a unit of volume equal to a quarter of a gallon, two pints, or four cups. Since gallons of various sizes have historically been in use, quarts of various sizes have also existed; see gallon for further discussion. Three of these kinds of quarts remain in current use, all approximately...

s or 16 dry pint

Pint

The pint is a unit of volume or capacity that was once used across much of Europe with values varying from state to state from less than half a litre to over one litre. Within continental Europe, the pint was replaced with the metric system during the nineteenth century...

s. Two pecks make a kenning

Kenning (unit)

A kenning is an obsolete unit of dry measure in the Imperial system, equal to two pecks or half of one bushel....

 (obsolete), and four pecks make a bushel

Bushel

A bushel is an imperial and U.S. customary unit of dry volume, equivalent in each of these systems to 4 pecks or 8 gallons. It is used for volumes of dry commodities , most often in agriculture...

.

In Scotland

Scotland

Scotland is a country that is part of the United Kingdom. Occupying the northern third of the island of Great Britain, it shares a border with England to the south and is bounded by the North Sea to the east, the Atlantic Ocean to the north and west, and the North Channel and Irish Sea to the...

, the peck was used as a dry measure until the introduction of imperial units as a result of the Weights and Measures Act of 1824. The peck was equal to about 49 litre

Litre

pic|200px|right|thumb|One litre is equivalent to this cubeEach side is 10 cm1 litre water = 1 kilogram water The litre is a metric system unit of volume equal to 1 cubic decimetre , to 1,000 cubic centimetres , and to 1/1,000 cubic metre...

s (in the case of certain crops, such as wheat, peas, beans and meal) and about 13 litres (in the case of barley, oats and malt). A firlot

Firlot

In Scotland, the firlot was a dry measure used until the introduction of Imperial units by the Weights and Measures Act 1824.By an Act of the Scottish Parliament of 1617, the commissioners' firlot of Linlithgow was made the standard for the whole of Scotland, but, in fact, two units were defined...

 was equal to 4 pecks and the peck was equal to 4 lippies or forpets.

Conversions

• 1 imperial peck equals:
  • 9.092 litre
    Litre
    pic|200px|right|thumb|One litre is equivalent to this cubeEach side is 10 cm1 litre water = 1 kilogram water The litre is a metric system unit of volume equal to 1 cubic decimetre , to 1,000 cubic centimetres , and to 1/1,000 cubic metre...
    
    s
  • 307.443 U.S. fl oz
  • 320 imperial fl oz (exactly)
• 1 U.S. dry peck equals:
  • 8.1 litre
    Litre
    pic|200px|right|thumb|One litre is equivalent to this cubeEach side is 10 cm1 litre water = 1 kilogram water The litre is a metric system unit of volume equal to 1 cubic decimetre , to 1,000 cubic centimetres , and to 1/1,000 cubic metre...
    
    s
  • 297.894 U.S. fl oz
  • 310.061 imperial fl oz
• 1 U.S. liquid peck equals:
  • 7.5708 litre
    Litre
    pic|200px|right|thumb|One litre is equivalent to this cubeEach side is 10 cm1 litre water = 1 kilogram water The litre is a metric system unit of volume equal to 1 cubic decimetre , to 1,000 cubic centimetres , and to 1/1,000 cubic metre...
    
    s
  • 256 U.S. fl oz (exactly)
  • 266.456 imperial fl oz