Imperial Quarts (imp-qt) to US Pecks (pk) conversion

1 imp-qt = 0.1290071 pkpkimp-qt
Formula
1 imp-qt = 0.1290071 pk

Understanding Imperial Quarts to US Pecks Conversion

An Imperial quart is a British volume of about 1.1365 litres, one-quarter of an Imperial gallon. A US peck is a dry-measure unit equal to 8 US dry quarts, roughly 8.8098 litres, traditionally used to sell apples, potatoes and other bulk produce. Converting quarts to pecks is convenient when tallying farm-stand or orchard quantities that are priced by the peck.

Conversion Formula

1 imp-qt=0.1290071 pk1\ \text{imp-qt} = 0.1290071\ \text{pk}

To convert Imperial Quarts to US Pecks, multiply by this factor:

pk=imp-qt×0.1290071\text{pk} = \text{imp-qt} \times 0.1290071

Step-by-Step Example

Convert 25 Imperial Quarts to US Pecks.

pk=25×0.1290071=3.22518 pk\text{pk} = 25 \times 0.1290071 = 3.22518\ \text{pk}

How to Convert Imperial Quarts to US Pecks

Turning Imperial quarts into the dry-measure peck takes one multiplication.

  1. Note the quarts: Start with your volume in Imperial quarts.
  2. Multiply: Multiply by 0.1290071 to get US pecks.
  3. Reverse if needed: Multiply pecks by 7.751512 to return to Imperial quarts.
  4. Worked result: 25 Imperial quarts × 0.1290071 = 3.22518 US pecks.

Imperial Quarts to US Pecks conversion table

Imperial Quarts (imp-qt)US Pecks (pk)
00
10.1290071
20.2580142
30.3870213
40.5160284
50.6450355
60.7740426
70.9030497
81.032057
91.161064
101.290071
151.935106
202.580142
253.225177
303.870213
405.160284
506.450355
607.740426
709.030497
8010.32057
9011.61064
10012.90071
15019.35106
20025.80142
25032.25177
30038.70213
40051.60284
50064.50355
60077.40426
70090.30497
800103.2057
900116.1064
1000129.0071
2000258.0142
3000387.0213
4000516.0284
5000645.0355
100001290.071
250003225.177
500006450.355
10000012900.71
25000032251.77
50000064503.55
1000000129007.1

Which quart do you mean?

“quart” means different units by region. This page uses the Imperial quart (UK). 1 US Pecks in each:

DefinitionResult
US quart 946 mL0.1074209 pk
Imperial quart (UK) 1.137 L0.1290071 pk (this page)

What is the Imperial Quart?

The imperial quart is a unit of volume in the British imperial system, equal to one quarter of an imperial gallon. It is used in the United Kingdom and some Commonwealth countries for measuring liquids such as milk, beer, and oil.

Definition

An imperial quart is defined as exactly one quarter of an imperial gallon, or equivalently two imperial pints. Since the imperial gallon is exactly 4.54609 litres, the imperial quart follows directly:

1 imp-qt=1.13652 l1\ \text{imp-qt} = 1.13652\ \text{l}

Expressed exactly, one imperial quart equals 1.1365225 litres (1136.5225 mL), or 40 imperial fluid ounces.

Origin and History

The quart descends from the Latin quartus ("a fourth"), reflecting its status as a quarter of a gallon. Quarts existed in various English measures for centuries, but the modern imperial quart was fixed by the British Weights and Measures Act of 1824, which defined the imperial gallon and standardised the pint and quart that derive from it. This replaced the older, differing wine and ale gallons used previously.

Law and Notable Facts

The imperial quart remains a legal unit of measure in the United Kingdom, though metric units are now standard for most trade. It is notably larger than the US liquid quart: the imperial quart is about 1.1365 L while the US liquid quart is roughly 0.9464 L, making the imperial quart approximately 20% larger. This difference stems from the imperial and US systems adopting different gallon definitions.

Real-World Examples and Conversions

  • One imperial quart of milk is about 1.137 litres, slightly more than a standard 1-litre carton.
  • A recipe calling for 2 imperial quarts of stock needs roughly 2.273 litres.
  • One imperial quart equals 40 imperial fluid ounces, versus 32 US fluid ounces in a US quart.
  • Four imperial quarts make exactly one imperial gallon (4.54609 L).

What is the US Peck?

The US peck is a United States customary unit of dry volume, equal to a quarter of a bushel, used for measuring fruit, vegetables, and grain. It sits between the dry gallon and the bushel in the dry-measure system.

Definition

The US peck is defined as one quarter of a US bushel, or 8 US dry quarts, equal to exactly 537.605 cubic inches.

1 pk=8.80977 L1\ \text{pk} = 8.80977\ \text{L}

With the bushel fixed at 2150.42 in³, a peck equals 2150.42 ÷ 4 = 537.605 in³ = 8809.77 cm³. The US peck is about 3% smaller than the imperial peck (9.09218 L).

Origin and History

The peck is an old English dry measure, attested since the 14th century and long used for grain and produce. Its US form is tied to the Winchester bushel retained from colonial England, while the imperial peck follows Britain's 1824 reform.

Law and Notable Facts

The peck endures in the tongue-twister "Peter Piper picked a peck of pickled peppers" and in US orchard sales, where apples are still sold by the peck and half-peck. It remains a legal customary unit defined via the international inch.

Real-World Examples and Conversions

  • A peck of apples weighs roughly 10–12 lb and fills about 8.81 liters.
  • 1 US peck = 8 US dry quarts = 16 US dry pints = 8.80977 L.
  • 4 US pecks make 1 US bushel; 1 liter ≈ 0.11351 US peck.

Frequently Asked Questions

How many US pecks are in an Imperial quart?

One Imperial quart equals 0.1290071 US pecks, since a peck (~8.8098 L) holds roughly eight quarts' worth of volume.

How do I convert Imperial quarts to US pecks?

Multiply the quart value by 0.1290071. For example, 20 Imperial quarts equal about 2.5801 US pecks.

How many Imperial quarts are in a US peck?

About 7.751512 Imperial quarts fill one US peck, the reciprocal of the forward factor.

What is a peck used for?

The US peck is a traditional dry measure for produce such as apples, tomatoes and potatoes, often sold by the peck or bushel at orchards and markets.

How does a peck relate to a bushel?

A US peck is one-quarter of a US bushel, so four pecks make one bushel of dry goods.

Complete Imperial Quarts conversion table

imp-qt
UnitResult
Cubic Millimeters (mm3)1136523 mm3
Cubic Centimeters (cm3)1136.523 cm3
Cubic Decimeters (dm3)1.136523 dm3
Millilitres (ml)1136.523 ml
Centilitres (cl)113.6523 cl
Decilitres (dl)11.36523 dl
Litres (l)1.136523 l
Kilolitres (kl)0.001136523 kl
Megalitres (Ml)0.000001136523 Ml
Gigalitres (Gl)1.136523e-9 Gl
Cubic meters (m3)0.001136523 m3
Cubic kilometers (km3)1.136523e-12 km3
Kryddmått (krm)1136.523 krm
Teskedar (tsk)227.3045 tsk
Matskedar (msk)75.76817 msk
Kaffekoppar (kkp)7.576817 kkp
Glas (glas)5.682613 glas
Kannor (kanna)0.4342845 kanna
Imperial Gallons (imp-gal)0.25 imp-gal
Imperial Pints (imp-pnt)2 imp-pnt
Imperial Fluid Ounces (imp-fl-oz)40 imp-fl-oz
Glasses (glass)4.73551 glass
Board Feet (board-foot)0.481631 board-foot
Acre-Feet (acre-foot)9.213938e-7 acre-foot
Teaspoons (tsp)230.5824 tsp
Tablespoons (Tbs)76.8608 Tbs
Cubic inches (in3)69.35486 in3
Fluid Ounces (fl-oz)38.4304 fl-oz
Cups (cup)4.8038 cup
Pints (pnt)2.4019 pnt
Quarts (qt)1.20095 qt
Gallons (gal)0.3002375 gal
Cubic feet (ft3)0.04013591 ft3
Cubic yards (yd3)0.001486515 yd3
US Oil Barrels (bbl)0.007148511 bbl
US Dry Gallons (gal-dry)0.2580142 gal-dry
US Dry Quarts (qt-dry)1.032057 qt-dry
US Dry Pints (pnt-dry)2.064113 pnt-dry
US Bushels (bu)0.03225177 bu
US Pecks (pk)0.1290071 pk
US Fluid Drams (fl-dr)307.4432 fl-dr

Volume conversions