gal - Gallon. Conversion Chart

This converter features contemporary units of capacity. There is also a special converter for historical units of volume you might want to visit for ancient, medieval and other old units that are no longer used.
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1This is a conversion chart for gallon (U.S. Liquid Measure). To switch the unit simply find the one you want on the page and click it.
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2Enter the value you want to convert (gallon). Then click the Convert Me button.
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Number of significat figures

Do you want rounded off figures or scientifically precise ones? For everyday conversions we recommend choosing 3 or 4 significant digits. If you want maximum precision, set the number to 9

Digit groups separator

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1234567.89none
1 234 567.89space
1,234,567.89comma
1.234.567,89point

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Your value (gallon, gal):
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Metric

gallon to cubic kilometer (km³)
gallon to cubic meter (m³)
gallon to cubic decimeter (dm³)
gallon to cubic centimeter (cc)
gallon to cubic millimeter (mm³)
gallon to hectoliter (hl)
gallon to decaliter
gallon to liter (l)
gallon to deciliter (dl)
gallon to centiliter (cl)
gallon to milliliter (ml)
gallon to microliter (µl)
Units: cubic kilometer (km³)  / cubic meter (m³)  / cubic decimeter (dm³)  / cubic centimeter (cc)  / cubic millimeter (mm³)  / hectoliter (hl)  / decaliter  / liter (l)  / deciliter (dl)  / centiliter (cl)  / milliliter (ml)  / microliter (µl)
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U.S. Liquid Measure

gallon to acre foot
gallon to barrel (petroleum)
gallon to quart (qt)
gallon to pint (pt)
gallon to gill
gallon to fluid ounce (fl oz)
gallon to fluid dram (fl dr)
gallon to minim (min)
Units: acre foot  / barrel (petroleum)  /  / quart (qt)  / pint (pt)  / gill  / fluid ounce (fl oz)  / fluid dram (fl dr)  / minim (min)
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U.S. Dry Measure

gallon to barrel
gallon to bushel (bu)
gallon to peck (pk)
gallon to gallon (gal)
gallon to quart (qt)
gallon to pint (pt)
Units: barrel  / bushel (bu)  / peck (pk)  / gallon (gal)  / quart (qt)  / pint (pt)
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Apothecaries

The traditional English apothecaries' system defines weights, not volumes. However, there was apothecaries' system for volumes too, though less commonly used. Before introduction of the imperial units, all apothecaries' measures were based on the wine gallon which later became the base of U.S. liquid gallon.

In addition to five official apothecaries' units pint, fliud ounce, fluid dram, fluid scruple, and minim, there was a set of unofficial but widely used units for various spoon and glass sizes. We list them here too.

In 1858 apothercaries' system was officially abolished in in the U.K. in favour of the standard Avoirdupois system. In the United States the apothecaries' system remained in use until 1971, when it was officially abolished in favor of the metric system.

gallon to pint (pt)
gallon to glass-tumbler
gallon to breakfast cup
gallon to tea cup
gallon to wine glass
gallon to fluid ounce (ƒ℥)
gallon to table spoon
gallon to dessert spoon
gallon to fluid dram (ƒʒ)
gallon to tea spoon
gallon to minim
Units: pint (pt)  / glass-tumbler  / breakfast cup  / tea cup  / wine glass  / fluid ounce (ƒ℥)  / table spoon  / dessert spoon  / fluid dram (ƒʒ)  / tea spoon  / minim
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British Imperial Liquid And Dry

gallon to perch
gallon to barrel
gallon to bushel (bu)
gallon to peck (pk)
gallon to gallon (gal)
gallon to quart (qt)
gallon to pint (pt)
gallon to fluid ounce (oz)
gallon to fluid drachm (fl dr)
gallon to fluid scruple
gallon to minim (min)
Units: perch  / barrel  / bushel (bu)  / peck (pk)  / gallon (gal)  / quart (qt)  / pint (pt)  / fluid ounce (oz)  / fluid drachm (fl dr)  / fluid scruple  / minim (min)
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British and U.S. derivatives of length units

gallon to cubic mile (mi³)
gallon to mil cubic feet (mcf)
gallon to cubic yard (yd³)
gallon to centum cubic feet (ccf)
gallon to cubic foot (ft³)
gallon to cubic inch (in³)
Units: cubic mile (mi³)  / mil cubic feet (mcf)  / cubic yard (yd³)  / centum cubic feet (ccf)  / cubic foot (ft³)  / cubic inch (in³)
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English wine cask units

Imperial and U.S. definitions of these units slightly differ. We use Imperial definitions here.
gallon to tun
gallon to butt
gallon to puncheon
gallon to hogshead
gallon to tierce
gallon to barrel
gallon to rundlet
Units: tun  / butt  / puncheon  / hogshead  / tierce  / barrel  / rundlet
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English brewery cask units

Historically the terms beer and ale referred to distinct brews. From the mid 15th century until 1803 in Britain "ale" casks and "beer" casks differed in the number of gallons they contained. We provide conversions for the latest standard (1824) of units that are based on imperial gallons.
gallon to hogshead
gallon to barrel
gallon to kilderkin
gallon to firkin
gallon to pin
Units: hogshead  / barrel  / kilderkin  / firkin  / pin
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U.S. brewery cask units

In the U.S. only beer barrel is legally defined. Keg sizes are not standardized and could be any size smaller than a barrel. However, typical beer keg size is a half of beer barrel.
gallon to US beer barrel
gallon to US beer half-barrel
gallon to US beer keg (typical)
gallon to US beer quarter-barrel
Units: US beer barrel  / US beer half-barrel  / US beer keg (typical)  / US beer quarter-barrel
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Cooking (U.S.)

gallon to cup
gallon to tablespoon
gallon to teaspoon
Units: cup  / tablespoon  / teaspoon
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Cooking (International)

gallon to cup
gallon to tablespoon
gallon to teaspoon
Units: cup  / tablespoon  / teaspoon
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Cooking (Australian)

gallon to tablespoon
gallon to dessert teaspoon
gallon to teaspoon
Units: tablespoon  / dessert teaspoon  / teaspoon
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Natural units

In physics, natural units are physical units of measurement based only on universal physical constants. The origin of their definition comes only from properties of nature and not from any human construct.
gallon to Planck volume (L³)
Units: Planck volume (L³)
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Astronomical

gallon to cubic parsec (pc³)
gallon to cubic light year
gallon to cubic light minute
gallon to cubic light second
Units: cubic parsec (pc³)  / cubic light year  / cubic light minute  / cubic light second
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Ship tonnage measurements

Register ton unit was defined by the Moorsom Commission (Great Britain) in 1854 to measure ship internal volume. It was officially replaced by tonnage when the International Maritime Organization (IMO) adopted The International Convention on Tonnage Measurement of Ships on 23 June 1969. Since 18 July 1994 the gross and net tonnages are the only official measures used for the ships.
gallon to tonnage
gallon to register ton
gallon to Panama Canal Universal Measurement System (PC/UMS)
Units: tonnage  / register ton  / Panama Canal Universal Measurement System (PC/UMS)
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Lumber measure

These units are sometimes used to measure the volume of lumber in Great Britain, the United States, Canada, Australia and New Zealand. The same units is called board-foot in the U.S. and Canada and super foot or superficial foot in Australia and New Zealand. One board-foot is the volume of a one-foot length of a board one foot wide and one inch thick.
gallon to million board-feet (mmfbm, mmbdft, mmbf)
gallon to cord
gallon to thousand board-feet (mfbm, mbdft, mbf)
gallon to hoppus ton (HT)
gallon to cubic ton of timber
gallon to stere
gallon to hoppus foot, hoppus cube (h ft)
gallon to boardfoot, board-foot (fbmm, bdft, bf)
Units: million board-feet (mmfbm, mmbdft, mmbf)  / cord  / thousand board-feet (mfbm, mbdft, mbf)  / hoppus ton (HT)  / cubic ton of timber  / stere  / hoppus foot, hoppus cube (h ft)  / boardfoot, board-foot (fbmm, bdft, bf)
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Japanese

gallon to sai (才)
gallon to shaku (勺)
gallon to go (合)
gallon to sho (升)
gallon to to (斗)
gallon to koku (石)
Units: sai (才)  / shaku (勺)  / go (合)  / sho (升)  / to (斗)  / koku (石)
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Chinese units of 1930

gallon to dan (市石)
gallon to dou (市斗)
gallon to sheng (市升)
gallon to ge (合)
gallon to shao (勺)
gallon to cuo (撮)
Units: dan (市石)  / dou (市斗)  / sheng (市升)  / ge (合)  / shao (勺)  / cuo (撮)
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Chinese units of 1915

gallon to dan (石)
gallon to hu (斛)
gallon to dou (斗)
gallon to sheng (升)
gallon to ge (合)
gallon to shao (勺)
Units: dan (石)  / hu (斛)  / dou (斗)  / sheng (升)  / ge (合)  / shao (勺)
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Thai units

Some of these units are still in use even though metric system was formally established in 1923. Before the metrication the old units were standardized to exact metric values.
gallon to kwian (เกวียน, cartload)
gallon to sat (สัด, basket)
gallon to thang (ถัง, tank)
gallon to thanan (ทะนาน, coconut shell)
gallon to fai mue (ฟายมือ, palm of grain)
gallon to kam mue (กำมือ, hand of grain)
gallon to yip mue (หยิบมือ, pinch)
Units: kwian (เกวียน, cartload)  / sat (สัด, basket)  / thang (ถัง, tank)  / thanan (ทะนาน, coconut shell)  / fai mue (ฟายมือ, palm of grain)  / kam mue (กำมือ, hand of grain)  / yip mue (หยิบมือ, pinch)

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