gallon

A 1-US-gallon gasoline can showing "U.S. Gallon" marking (for American use), imperial gallons (for some Caribbean countries' and territories' use), and litres (for Canadian use)

General information
Unit of| Volume
Symbol| gal
Conversions (imperial)
1 imp gal in ...| ... is equal to ...
Non-SI units accepted for use with SI|  4.54609 L
US customary units|  ≈ 1.200950 US gal
US customary units|  ≈ 277.4194 in3
Conversions (US)
1 US gal in ...| ... is equal to ...
Non-SI units|  3.785411784 L
Imperial units|  ≈ 0.8326742 imp gal
Imperial units|  231 in3

The gallon is a unit of volume in British imperial units and United States customary units.

The imperial gallon (imp gal) is defined as 4.54609 litres, and is or was used in the United Kingdom and its former colonies, including Ireland, Canada, Australia, New Zealand, India, South Africa, Malaysia and some Caribbean countries, while the US gallon (US gal) is defined as 231 cubic inches (3.785411784 L),[1] and is used in the United States and some Latin American and Caribbean countries.

There are four gills in a pint, two pints in a quart, and four quarts (quarter gallons) in a gallon, with the imperial gill being divided into five imperial fluid ounces and the US gill being divided into four US fluid ounces: this, and a slight difference in the sizes of the imperial fluid ounce and the US fluid ounce, give different sizes for the imperial gallon and US gallon.

The IEEE standard symbol for both the imperial and US gallons is gal,[2] not to be confused with the gal (symbol: Gal), a CGS unit of acceleration.

## Contents

* 1 Definitions
* 1.1 Imperial gallon
* 1.2 US gallon
* 2 Worldwide usage
* 2.1 Imperial gallon
* 2.2 US gallon
* 2.3 Both imperial and US gallon
* 2.4 Legacy
* 3 Relationship to other units
* 3.1 US dry gallon
* 4 History
* 4.1 Sizes of gallons
* 5 References
* 6 External links

## Definitions

The gallon currently has two definitions, in the imperial system and in the US customary system.

Historically, there were many definitions and redefinitions: see § Sizes of gallons for details.

### Imperial gallon

A Shell petrol station selling 2* and 4* (leaded petrol) by the gallon in the UK, circa 1980

The British imperial gallon (frequently called simply "gallon") is defined as exactly 4.54609 litres.[3] It is used in Britain and some other Commonwealth countries, and until 1976 was defined as the volume of water at 62 °F (16.7 °C)[4][5] whose mass is 10 pounds (4.5359237 kg).

There are four imperial quarts in a gallon, two imperial pints in a quart, and 20 imperial fluid ounces in an imperial pint,[3] making an imperial fluid ounce ⁠1/160⁠ of an imperial gallon.

### US gallon

A fuel station in the United States displaying fuel prices per US gallon

The US gallon (frequently called simply "gallon") is legally defined as exactly 231 cubic inches, i.e. 3.785411784 litres.[6][7]

A US gallon contains 3.785411784 kg (8.3454 lb) of water at 3.983 °C (39.169 °F), making it 83.26742% of an imperial gallon. There are four quarts in a gallon, two pints in a quart and 16 US fluid ounces in a US pint, making the US fluid ounce ⁠1/128⁠ of a US gallon.

In order to overcome the effects of expansion and contraction with temperature when using a gallon to specify a quantity of material for purposes of trade, it is common to define the temperature at which the material will occupy the specified volume. For example, the volume of petroleum products[8] and alcoholic beverages[9] are both referenced to 60 °F (15.6 °C) in government regulations.

## Worldwide usage

Gasoline units used in the world:

Litre

US gallon

Imperial gallon

No data

### Imperial gallon

As of 2021, the imperial gallon continues to be used as the standard petrol unit on 10 Caribbean island groups, consisting of:

* four British Overseas Territories (Anguilla,[10] the British Virgin Islands,[11][12] the Cayman Islands,[13] and Montserrat)[14][15] and
* six countries (Antigua and Barbuda,[16] Dominica,[17] Grenada,[18][19] Saint Christopher and Nevis,[20] Saint Lucia,[21] and Saint Vincent and the Grenadines[22]).

All 12 of the Caribbean islands use miles per hour for speed limits signage, and drive on the left side of the road.

The Dubai Electricity and Water Authority switched Dubai's water billing from imperial gallons to cubic metres in March 2025.[23]

The United Arab Emirates ceased selling petrol by the imperial gallon in 2010 and switched to the litre, with Guyana following suit in 2013.[24][25][26] In 2014, Myanmar switched from the imperial gallon to the litre.[27]

Antigua and Barbuda has proposed switching to selling petrol by litres since 2015.[16][28]

In the European Union the gallon was removed from the list of legally defined primary units of measure catalogue in the EU directive 80/181/EEC for trading and official purposes, effective from 31 December 1994. Under the directive the gallon could still be used, but only as a supplementary or secondary unit.[29]

As a result of the EU directive Ireland and the United Kingdom passed legislation to replace the gallon with the litre as a primary unit of measure in trade and in the conduct of public business, effective from 31 December 1993 and 30 September 1995, respectively.[30][31][32][33] Though the gallon has ceased to be a primary unit of trade, it can still be legally used in both the UK and Ireland as a supplementary unit. However, barrels and large containers of beer, oil and other fluids are commonly measured in multiples of an imperial gallon.

Miles per imperial gallon is used as the primary fuel economy unit in the United Kingdom and as a supplementary unit in Canada on official documentation.[34][35][36]

### US gallon

Other than the United States, petrol is sold by the US gallon in eight other countries and four US territories:

* the Caribbean country of Haiti,
* the Central American countries of Belize, El Salvador and Guatemala,
* the Pacific Ocean countries of Marshall Islands, Federated States of Micronesia, and Palau, which are associated countries of the United States,
* the African country of Liberia, a former protectorate of the United States,[37] and
* the US territories of American Samoa,[38] the Northern Mariana Islands,[39] Guam,[40] and the US Virgin Islands.[41] Puerto Rico ceased selling petrol by the US gallon in 1980.[42]

### Both imperial and US gallon

Both the imperial gallon and the US gallon are used in the Turks and Caicos Islands, due to an increase in tax duties which was disguised by levying the same duty on the US gallon (3.79 L) as was previously levied on the imperial gallon (4.55 L),[43] and the Bahamas.[44][45]

### Legacy

In some parts of the Middle East, such as the United Arab Emirates and Bahrain, 18.9-litre water cooler bottles are marketed as five-gallon bottles.[46]

## Relationship to other units

Both the US gallon and imperial gallon are divided into four quarts (quarter gallons), which in turn are divided into two pints, which in turn are divided into two cups (not in customary use outside the US), which in turn are further divided into two gills. Thus, both gallons are equal to four quarts, eight pints, sixteen cups, or thirty-two gills.

There is a difference in that the imperial gill is further divided into five fluid ounces, whereas the US gill is divided into four fluid ounces: this means that an imperial fluid ounce is ⁠1/20⁠ of an imperial pint or ⁠1/160⁠ of an imperial gallon, while a US fluid ounce is ⁠1/16⁠ of a US pint or ⁠1/128⁠ of a US gallon.

As an imperial fluid ounce is 96.076% of a US fluid ounce, this means that one imperial gallon, quart, pint, cup and gill are all equal to 1.20095 of their US counterparts.

Historically, a common bottle size for liquor in the US was the "fifth", i.e. one-fifth of a US gallon (or 0.08% more than a "reputed quart", one-sixth of an imperial gallon). While spirit sales in the US were switched to metric measures in 1976, a 750 mL bottle is still sometimes known as a "fifth".[47][48]

### US dry gallon

The US dry gallon was defined as one-eighth of a US Winchester bushel of exactly 2,150.42 cubic inches, i.e. 268.8025 cubic inches or 4.40488377086 L.[49]

The US dry gallon is no longer used, and is no longer included in the relevant statute, which goes from the dry quart to the peck.[50]

## History

An American milk bottle with a volume of one US gallon

The term derives most immediately from galun, galon in Old Norman French,Cite error: Invalid `<ref>` tag; refs with no name must have content but the usage was common in several languages, for example jale in Old French and gęllet (bowl) in Old English. This suggests a common origin in Romance Latin, but the ultimate source of the word is unknown.[51]

The gallon originated as the basis of systems for measuring wine and beer in England. The sizes of gallon used in these two systems were different from each other: the first was based on the wine gallon (equal in size to the US gallon), and the second one the ale gallon (1.65% larger than the imperial gallon).

By the end of the 18th century, there were three definitions of the gallon in common use:

* The corn gallon (or Winchester gallon) of about 268.8025 cubic inches (≈4.404884 L),
* The wine gallon (or Queen Anne's gallon) of 231 cubic inches[52] (3.785411784 L), and
* The ale gallon of 282 cubic inches (4.621152048 L).

The corn or dry gallon was used in the United States for grain and other dry commodities. It was one-eighth of the (Winchester) bushel, originally defined as a cylindrical measure of ⁠18+1/2⁠ inches in diameter and 8 inches in depth, which made the bushel 8 in × (⁠9+1/4⁠ in)2 × π ≈ 2,150.42017 cubic inches. The bushel was later redefined to be 2,150.42 cubic inches exactly, thus making its gallon exactly 268.8025 in3 (4.40488377086 L); in previous centuries, there had been a corn gallon of between 271 and 272 cubic inches.

The wine gallon was legally adopted as the standard US gallon in 1836. Some sources relate this to the volume occupied by eight medieval merchants' pounds of wine: this was at one time defined as the volume of a cylinder 6 inches deep and 7 inches in diameter, i.e. 6 in × (⁠3+1/2⁠ in)2 × π ≈ 230.90706 cubic inches. It was redefined in 1706 during the reign of Queen Anne as being exactly 231 in3, the earlier definition with π being approximated as ⁠22/7⁠.

πr2h≈227×(7in2)2×6in=231in3.

Although the wine gallon had been used for centuries for import duty purposes, there was no legal standard of it in the Exchequer, and a smaller gallon 224 in3 (3.670702336 L) was actually in use, which required this statute to resolve these issues: 231 in3 remains the definition of a gallon in the US today.

In 1824, Britain adopted the imperial gallon, and abolished all other gallons in favour of it. The imperial gallon was defined as the volume of 10 pounds of distilled water weighed in air with brass weights with the barometer standing at 30 inches of mercury (100 kilopascals; 15 pounds per square inch) and at a temperature of 62 °F (16.7 °C), which was calculated as 277.274 in3 (or 4.543706784 L to ten significant figures).

This value lasted until 1889, when an Order in Council of November 28 of that year redefined the imperial gallon as 277.463 in3 (or 4.546803939 L to ten significant figures).

In 1963, the definition was again refined as the space occupied by 10 pounds of distilled water of density 0.998859 g/mL weighed in air of density 0.001217 g/mL against weights of density 8.136 g/mL (the original "brass" was refined as the densities of brass alloys vary depending on metallurgical composition), which was calculated as 4.546091879 L (≈ 277.4195 in3) to ten significant figures.[4]

The definition of exactly 4.54609 cubic decimetres (also 4.54609 L or ≈ 277.4194 in3) came after the litre was redefined in 1964. This was adopted shortly afterwards in Canada, and adopted in 1976 in the United Kingdom.[4]

### Sizes of gallons

Historically, gallons of various sizes were used in many parts of Western Europe. In these localities, it has been replaced as the unit of capacity by the litre.

Comparison of gallons  Volume  | Definition  | Inverted
volume
(gal/cu ft)  | Weight as
water at 62 °F (17 °C)
(pounds/gal)  | Cylindrical approximation

|
|
|
|

(cu in)  | (dm3)  | Diameter
(in)  | Height
(in)  | Volume rel.
error (%)
Current gallons
231 | 3.785411784 | Statute of 5 Queen Anne (1706)
UK wine gallon
US gallon (legally adopted 1836 US)  | ⁠7+37/77⁠ | 8.3454  | 7 | 6 | 0.04
≈ 277.4194 | 4.54609 | Imperial gallon (adopted 1964 Canada, adopted 1976 UK)  | 6.2288 | 10.0224  | ⁠5+2/3⁠ | 11 | 0.0002
Historic gallons
216 (Roman unciae) | 3.539605824 | Roman congius | 8 | 7.8035  | 5 | 11 | 0.01
217 | 3.555992888 | Irish gallon (1495, re-confirmed 1736)  | 7⁠209/217⁠ | 7.8396  | 5.25 | 10 | 0.24
224 | 3.670702336 | Preserved at the Guildhall, London (old UK wine gallon)  | 7⁠5/7⁠ | 8.0925  | 9 | 3.5 | 0.6
≈ 241.3549 | 3.955093289 | Jersey gallon (1562)  | 7.1596 | 8.7195  | 6.5 | 7.25 | 0.32
≈ 260.3235 | 4.265931799 | Guernsey gallon (17th-century origins until 1917)  | 6.6379 | 9.4048  | 5 | 13.25 | 0.06
264.8 | 4.3392945472 | Ancient Rumford quart (1228)  | 6⁠174/331⁠ | 9.5665  | 7.5 | 6 | 0.1
265.5 | 4.350765492 | Exchequer (Henry VII, 1497, with rim)  | 6⁠30/59⁠ | 9.5918  | 13 | 2 | 0.01
266.25 | 4.36305579 | Ancient Rumford (1228)  | 6⁠174/355⁠ | 9.6189  | 5.5 | 11.25 | 0.39
268.4 | 4.398342075 | Henry VII (Winchester) corn gallon (1497)  | 6⁠294/671⁠ | 9.6966  | 6 | 9.5 | 0.08
268.8025 | 4.40488377086 | Winchester, statute of 13 & 14 William III
Corn gallon
US dry gallon (no longer used, no longer listed in the relevant statute)  | 6⁠46074/107521⁠ | 9.7111  | 18.5 | 1 | 0.00001
270 | 4.42450728 | Elizabeth I corn gallon (1601)  | 6.4 | 9.7544  | 5 | 13.75 | 0.0072
271 | 4.440894344 | Exchequer (1601, E.) (old corn gallon)  | 6⁠102/271⁠ | 9.7905  | 4.5 | 17 | 0.23
272 | 4.457281408 | William III corn gallon (1688)  | 6⁠6/17⁠ | 9.8266  | 6 | 9.625 | 0.05
277.202578125 | 4.542536388699375 | Statute of 12 Anne (coal gallon), also equal to ⁠1+1/32⁠ corn gallons  | 6.2337 | 10.0146  | ⁠5+2/3⁠ | 11 | 0.08
277.274 | 4.543706784 | Imperial gallon, as originally determined in 1824  | 6.2321 | 10.0172  | ⁠5+2/3⁠ | 11 | 0.05
≈ 277.4195 | 4.546091879 | Imperial gallon as re-determined in 1895 and defined in 1963  | 6.2288 | 10.0224  | ⁠5+2/3⁠ | 11 | 0.0001
≈ 277.463 | 4.54680939 | Imperial gallon as defined by Order in Council of 28 November 1889  | 6.2279 | 10.024  | ⁠5+2/3⁠ | 11 | 0.015
278 | 4.555603792 | Exchequer (Henry VII, with copper rim)  | 6⁠30/139⁠ | 10.0434  | 4.5 | 17.5 | 0.12
278.4 | 4.562158618 | Exchequer (1601 and 1602 pints)  | 6⁠6/29⁠ | 10.0578  | 7 | 7.25 | 0.22
280 | 4.58837792 | Exchequer (1601 quart)  | 6⁠6/35⁠ | 10.1156  | 5 | 14.25 | 0.07
282 | 4.621152048 | Treasury (beer and ale gallon pre-1824)  | 6⁠6/47⁠ | 10.1879  | 6.5 | 8.5 | 0.02

## References

1. ↑ Thompson, E Ambler; Taylor, Barry N (2008). Guide for the use of the International System of Units (SI). National Institute of Standards and Technology. doi:10.6028/nist.sp.811e2008.
2. ↑ IEEE Std 260.1–2014
3. ↑ 3.0 3.1 "Weights and Measures Act 1985, chapter 72, schedule 1". The National Archives on behalf of HM Government. https://www.legislation.gov.uk/ukpga/1985/72/schedule/1.
4. ↑ 4.0 4.1 4.2 BS 350:Part 1:1974 Conversion factors and tables Part 1. Basis of tables. Conversion factors (AMD 4153 ed.). British Standards Institution. 1983. p. Foreword. "Before that date (November 1976) the definition in the Weights and Measures Act 1963 was such that the gallon could be calculated to be 4.546 091 879 dm3 to ten significant figures... The return, in November 1976, by precise definition to what had earlier been used as an approximation for the value of the gallon (i.e. 4.546 09 dm3)..."
5. ↑ BS 350:Part 1:1974 Conversion factors and tables Part 1. Basis of tables. Conversion factors (prior to Amendment No.1 1983 ed.). British Standards Institution. 1974. p. 10. "the UK gallon (imp gal), defined in Schedule 1 of the Weights and Measures Act 1963, as the space occupied by 10 pounds of distilled water under certain conditions specified in the schedule."
6. ↑ "NIST Handbook 44 – 2012 Edition Appendix C "General Tables of Units of Measurement"". NIST: C-5. 26 October 2012. https://www.nist.gov/pml/wmd/h44-12.cfm.
7. ↑ Uniform Laws and Regulations in the areas of legal metrology and engine fuel quality. US Department of Commerce, National Institute of Standards and Technology. 2011. pp. 9–13, 69. https://www.nist.gov/pml/wmd/pubs/upload/HB130-11-final.pdf.
8. ↑ "State of New Hampshire Dept of Weights and Measure". Archived from the original on 13 April 2012. https://web.archive.org/web/20120413013031/http://www.nh.gov/agric/news/documents/weights-fuel-temperature.pdf.
9. ↑ "27 CFR section 5.21". http://www.gpo.gov/fdsys/pkg/CFR-2011-title27-vol1/pdf/CFR-2011-title27-vol1-sec5-21.pdf.
10. ↑ "Anguilla Renewable Energy Integration Project Final Report". Anguilla RE Integration Final Report. Government of Anguilla Ministry of Infrastructure, Communications, Utilities, and Housing (MICUH). 19 October 2012. p. 104. http://cdkn.org/wp-content/uploads/2012/08/Anguilla-RE-Integration-Final-Report-121019.pdf. "In 2008—the most recent year where WTI crude oil averaged US$100 per barrel—ANGLEC paid an average of about US$4 per imperial gallon (imp gal) for diesel."
11. ↑ Walker, William (5 September 2012). "Biwater project draws scrutiny". http://www.bvibeacon.com/2/index.php?option=com_content&view=article&id=2487:biwater-project-draws-scrutiny&catid=491:commentary-sept-6-2012.
12. ↑ "Statement By Premier Fahie In One-On-One Press Conference – Update On Current Matters | Government of the Virgin Islands". https://bvi.gov.vg/media-centre/statement-premier-fahie-one-one-one-press-conference-update-current-matters.
13. ↑ Wilson, Stuart (9 May 2013). "Fuel costs driven by factors". Cayman Compass. http://www.compasscayman.com/caycompass/2013/05/09/Fuel-costs-driven-by-factors/.
14. ↑ "Petrol price increases, diesel decreases, cost of living goes up". The Montserrat Reporter. 30 November 2012. http://www.themontserratreporter.com/gasoline-price-increases-diesel-decreases-cost-of-living-goes-up/.
15. ↑ Htin Lynn Aung (22 September 2017). "Fuel prices on the rise". The Myanmar Times. https://www.mmtimes.com/news/fuel-prices-rise.html.
16. ↑ 16.0 16.1 "Government of Antigua and Barbuda". https://ab.gov.ag/media_page.php?page=17.
17. ↑ "Photo of the day: Up and up it goes". Dominica News Online. 10 May 2011. http://dominicanewsonline.com/news/homepage/features/photo-of-the-day/photo-of-the-day-up-and-up-it-goes/.
18. ↑ Grenada: Third Review Under the Three-Year Arrangement Under the Poverty Reduction and Growth Facility, Requests for Modification of Quantitative Performance Criterion and Augmentation, and Financing Assurances Review. International Monetary Fund. 2009. p. 17. https://books.google.com/books?id=p1g4z5GpiBoC&pg=PA17. Retrieved 13 October 2013.
19. ↑ "Authorities in Dominica reduce fuel prices" (in en-CA). 2020-05-20. https://antiguaobserver.com/authorities-in-dominica-reduce-fuel-prices/.
20. ↑ Thomas, Steve (5 September 2008). "Gas prices capped under $18 – lowest since July". The St. Kitts-Nevis Observer. http://www.thestkittsnevisobserver.com/2008/09/05/news21.html.
21. ↑ "Rotary has a new President – St. Lucia Voice News". http://www.thevoiceslu.com/local_news/2013/july/09_07_13/Rotary.htm.
22. ↑ "Another service station sues SOL over fuel volume discrepancy". iWitness News. 26 April 2012. http://www.iwnsvg.com/2012/04/26/another-service-station-sues-sol-over-fuel-volume-discrepancy/.
23. ↑ "Dubai's Switch to Cubic Meters For water Bills: Why it Matters More This Summer". The Times of India. 20 July 2025. https://timesofindia.indiatimes.com/world/middle-east/dubais-switch-to-cubic-meters-for-water-bills-why-it-matters-more-this-summer/articleshow/122794842.cms?utm_source=contentofinterest&utm_medium=text&utm_campaign=cppst.
24. ↑ "Petrol stations in UAE go the metric route" (in en). 22 July 2019. https://gulfnews.com/business/energy/petrol-stations-in-uae-go-the-metric-route-1.559595.
25. ↑ "End of road for imperial gallon as UAE switches to buying fuel by litre" (in en). 2009-12-15. https://www.thenationalnews.com/uae/end-of-road-for-imperial-gallon-as-uae-switches-to-buying-fuel-by-litre-1.548176.
26. ↑ "Gas prices at Guyoil stations remain below $1,000 mark | Caribbean Mi…". 2013-06-28. http://www.caribmillers.com/content/gas-prices-guyoil-stations-remain-below-1000-mark.
27. ↑ "Petrol Prices March 2014 in Yangon, Myanmar". 5 April 2014. http://www.oilseedcrops.org/2014/04/05/petrol-prices-march-2014-in-yangon-myanmar/.
28. ↑ "The Re-Launch of Antigua And Barbuda's Metrication Programme". Diversity Global Magazine. 2013. http://www.cbji.com/makingnews.aspx?id=692.
29. ↑ The Council of the European Communities (9 February 2000). "Council Directive 80/181/EEC of 20 December 1979 on the approximation of the laws of the Member States relating to Unit of measurement and on the repeal of Directive 71/354/EEC". http://eur-lex.europa.eu/LexUriServ/LexUriServ.do?uri=CONSLEG:1980L0181:20000209:EN:PDF. "The legal units of measurement ... for economic, public health, public safety or administrative purposes ... litre"
30. ↑ "The Units of Measurement Regulations 1995 (Article 4)". 13 July 1995. http://www.opsi.gov.uk/si/si1995/Uksi_19951804_en_1.htm.
31. ↑ "Units of Measurement Directive". LACORS. 1995. http://www.lacors.gov.uk/lacors/ContentDetails.aspx?id=2515.
32. ↑ "Guidance Note on the use of Metric Units of Measurement by the Public Sector". Department of Trade and Industry. 1995. http://www.nmo.bis.gov.uk/Docs/Legislation/Units of Measurement/Gnotes for public sector on use of metric.pdf.
33. ↑ "S.I. No. 255/1992 — European Communities (Units of Measurement) Regulations, 1992.". Irish Statute Book. Office of the Attorney General. 9 September 1992. http://www.irishstatutebook.ie/1992/en/si/0255.html.
34. ↑ "FAQs – Fuel Consumption Program". Transport Canada. 5 November 2008. http://www.tc.gc.ca/eng/programs/environment-fcp-faq-139.htm.
35. ↑ Statutory Instrument 2001/3523 Environmental Protection – The Passenger Car (Fuel Consumption and CO2 Emissions Information) Regulations 2001. The Stationery Office. 30 October 2001. ISBN 0-11-038743-0. http://www.legislation.gov.uk/uksi/2001/3523/pdfs/uksi_20013523_en.pdf. Retrieved 1 December 2011.
36. ↑ "energuide-vehicles". 2018-04-30. https://www.nrcan.gc.ca/energy-efficiency/energuide-canada/energuide-vehicles/21010.
37. ↑ "Liberia: Senate Imposes US$0.30 Tax on Each Gallon of Petroleum Product.". June 10, 2020. https://frontpageafricaonline.com/news/liberia-senate-imposes-us0-30-tax-on-each-gallon-of-petroleum-product-approves-fy2019-2020-recast-budget-at-us518m/.
38. ↑ "Gasoline goes up eleven cents per gallon tomorrow". Samoa News. http://www.samoanews.com/?q=node/76479.
39. ↑ Dones, Liberty (17 May 2006). "Shell pump prices up 8 cents". Saipan Tribune. http://www.saipantribune.com/newsstory.aspx?newsID=57572&cat;=1.
40. ↑ "UPDATE: Gas prices down 10 cents to $4.73 for a gallon of unleaded". Pacific Daily News. http://www.guampdn.com/article/20130808/NEWS01/130808005/UPDATE-Gas-prices-down-10-cents-4-73-gallon-unleaded.
41. ↑ Blackburn, Joy (16 July 2012). "7-cent-per-gallon WAPA tax goes into effect". Virgin Islands Daily News. http://virginislandsdailynews.com/news/7-cent-per-gallon-wapa-tax-goes-into-effect-1.1344082.
42. ↑ Pesquera de Busquets, Carmen T; Barcelo, Carlos Romero (14 June 1979), Order to establish the price of half 1/2 galon [sic of gasoline as transitory measure and that the litter [sic] should be the final metric measurement for the sale of gasoline in Puerto Rico], San Juan, Puerto Rico: Departamento de Asuntos del Consumidor, http://app.estado.gobierno.pr/ReglamentosOnLine/Reglamentos/2516ING.pdf, retrieved 21 May 2013
43. ↑ "New Measures to Improve TCI Finances And Prioritise Spending". http://www.thebahamasweekly.com/publish/TCI/New_Measures_To_Improve_Tci_Finances_And_Prioritise_Spending_printer.shtml.
44. ↑ "OFFICIAL GAZETTE THE BAHAMAS PUBLISHED BY AUTHORITY : NASSAU". 12 February 2014. http://laws.bahamas.gov.bs/cms/images/LEGISLATION/SUBORDINATE/2014/2014-0005/ProtectionofRevenueImpostsVariationAmendmentOrder2014_1.pdf.
45. ↑ "Weights and Measures". Statute Law of the Bahamas. https://www.bbsq.bs/en/files/acts-and-regulations/1-weights-and-measures-act/file.
46. ↑ "AL MANHAL DRINKING WATER 5 GALLON ( 18.9 LITERS ) BOTTLE". https://www.buyonline.nestlewaters.bh/al-manhal-drinking-water#.
47. ↑ E. Frank Henriques, The Signet Encyclopedia of Wine, p. 298
48. ↑ Cherry, Rona (11 October 1976). "Liquor Industry Converts to Metric System". The New York Times. https://www.nytimes.com/1976/10/11/archives/liquor-industry-converts-to-metric-system-liquor-industry-is.html.
49. ↑ "US Dry Conversion Calculator" (in en). https://keisan.casio.com/exec/system/1344320515.
50. ↑ Authorized tables, US Code, Title 15, ch. 6, subchapter I, sec. 205, accessed 19 July 2008.
51. ↑ "gallon, n.". Oxford English Dictionary (2 ed.). Oxford, England: Oxford University Press. 1989.
52. ↑ "English wine gallon". Sizes.com. http://www.sizes.com/units/gallon_english_wine.htm. Retrieved 2010-06-17.

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* Mile
* Miles per hour
* Minim
* Ounce
* Peck
* Pint
* Pound (mass)
* Pound (force)
* Pound-foot
* Poundal
* Pounds per square inch
* Quart
* Rod
* Rood
* Ship load
* Slug
* Span
* Spinning count
* Square foot
* Square inch
* Square mile
* Square yard
* Stone
* Stuck
* Tablespoon
* Teaspoon
* Thousandth of an inch
* Tmcft
* Ton
* Long ton
* Trade gallon
* Twenty-foot equivalent unit
* Winchester measure
* Yard

Template:United States Customary Units

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Original source: https://en.wikipedia.org/wiki/Gallon. Read more

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