US Bushels (bu) to US Pecks (pk) conversion

1 bu = 4 pkpkbu
Formula
1 bu = 4 pk

Understanding US Bushels to US Pecks Conversion

The US bushel and the US peck are neighboring units in the US customary dry-measure system, with one bushel equal to exactly 4 pecks. The peck (about 8.810 litres) is a mid-size dry measure once common at farm markets and orchards. This exact 4-to-1 relationship remains familiar wherever apples, tomatoes, and other produce are sold by the peck or bushel.

Conversion Formula

1 bu=4 pk1\ \text{bu} = 4\ \text{pk}

To convert US Bushels to US Pecks, multiply by this factor:

pk=bu×4\text{pk} = \text{bu} \times 4

Step-by-Step Example

Convert 25 US Bushels to US Pecks.

pk=25×4=100 pk\text{pk} = 25 \times 4 = 100\ \text{pk}

How to Convert US Bushels to US Pecks

Use the exact 4-to-1 relationship to convert bushels to pecks.

  1. Start with bushels: Take your quantity in US bushels, such as 25 bu.
  2. Multiply by 4: Each bushel contains exactly 4 pecks.
  3. Calculate: 25×4=10025 \times 4 = 100.
  4. Report the answer: 25 US bushels equal exactly 100 US pecks.

US Bushels to US Pecks conversion table

US Bushels (bu)US Pecks (pk)
00
14
28
312
416
520
624
728
832
936
1040
1560
2080
25100
30120
40160
50200
60240
70280
80320
90360
100400
150600
200800
2501000
3001200
4001600
5002000
6002400
7002800
8003200
9003600
10004000
20008000
300012000
400016000
500020000
1000040000
25000100000
50000200000
100000400000
2500001000000
5000002000000
10000004000000

What is the US Bushel?

The US bushel is a large United States customary unit of dry volume used chiefly in agriculture to measure grain, fruit, and other bulk crops. It is the foundation of the US dry-measure system.

Definition

The US bushel (the Winchester bushel) is defined as exactly 2150.42 cubic inches.

1 bu=35.2391 L1\ \text{bu} = 35.2391\ \text{L}

This equals 2150.42 × 16.387064 cm³ = 35239.07 cm³. One bushel contains 4 pecks, 32 dry quarts, or 64 dry pints. It should not be confused with the imperial bushel (36.36872 L), which is about 3% larger.

Origin and History

The Winchester bushel dates to a 1696 English statute (with roots in medieval standards kept at Winchester) and was defined as a cylinder 18.5 inches in diameter and 8 inches deep, giving 2150.42 in³. The United States adopted this measure, while Great Britain replaced it with the imperial bushel in 1824.

Law and Notable Facts

Although volumetric by definition, US grain trading uses the bushel as a weight-based unit: legal "bushel weights" fix a bushel of wheat or soybeans at 60 pounds, corn and rye at 56 pounds, and oats at 32 pounds. Commodity exchanges quote grain prices per bushel on this weight basis.

Real-World Examples and Conversions

  • A bushel of shelled corn weighs 56 lb (about 25.4 kg) and occupies roughly 35.24 liters of loose volume.
  • 1 US bushel = 4 pecks = 8 US dry gallons = 35.2391 L.
  • 1 US bushel ≈ 0.9689 imperial bushel; 1 cubic meter ≈ 28.38 US bushels.

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 pecks are in a US bushel?

Exactly 4 US pecks make one US bushel, a defined relationship in the US customary dry-measure system.

How do I convert bushels to pecks?

Multiply the bushel count by 4. For example, 7 bushels equal 28 pecks.

How many bushels is one peck?

One US peck is exactly 0.25 bushel, or one-quarter of a bushel.

Where is the peck still used?

The peck is commonly used at farm stands and orchards, where apples, tomatoes, and other produce are sold by the peck or bushel.

Is the 4-to-1 ratio exact?

Yes, the bushel is defined as 4 pecks, so no rounding is involved in this conversion.

Complete US Bushels conversion table

bu
UnitResult
Cubic Millimeters (mm3)35239070 mm3
Cubic Centimeters (cm3)35239.07 cm3
Cubic Decimeters (dm3)35.23907 dm3
Millilitres (ml)35239.07 ml
Centilitres (cl)3523.907 cl
Decilitres (dl)352.3907 dl
Litres (l)35.23907 l
Kilolitres (kl)0.03523907 kl
Megalitres (Ml)0.00003523907 Ml
Gigalitres (Gl)3.523907e-8 Gl
Cubic meters (m3)0.03523907 m3
Cubic kilometers (km3)3.523907e-11 km3
Kryddmått (krm)35239.07 krm
Teskedar (tsk)7047.814 tsk
Matskedar (msk)2349.271 msk
Kaffekoppar (kkp)234.9271 kkp
Glas (glas)176.1954 glas
Kannor (kanna)13.46545 kanna
Imperial Gallons (imp-gal)7.751512 imp-gal
Imperial Quarts (imp-qt)31.00605 imp-qt
Imperial Pints (imp-pnt)62.01209 imp-pnt
Imperial Fluid Ounces (imp-fl-oz)1240.242 imp-fl-oz
Glasses (glass)146.8295 glass
Board Feet (board-foot)14.93347 board-foot
Acre-Feet (acre-foot)0.00002856878 acre-foot
Teaspoons (tsp)7149.448 tsp
Tablespoons (Tbs)2383.149 Tbs
Cubic inches (in3)2150.42 in3
Fluid Ounces (fl-oz)1191.575 fl-oz
Cups (cup)148.9468 cup
Pints (pnt)74.47342 pnt
Quarts (qt)37.23671 qt
Gallons (gal)9.309177 gal
Cubic feet (ft3)1.244456 ft3
Cubic yards (yd3)0.04609096 yd3
US Oil Barrels (bbl)0.2216471 bbl
US Dry Gallons (gal-dry)8 gal-dry
US Dry Quarts (qt-dry)32 qt-dry
US Dry Pints (pnt-dry)64 pnt-dry
US Pecks (pk)4 pk
US Fluid Drams (fl-dr)9532.598 fl-dr

Volume conversions