Difference Between Gallon and Litre

Main Difference

The main difference between gallon and litre is that gallon has a larger quantity of the litre, whereas litre is a more commonly used unit of measurement.

Gallon vs. Litre

Gallon and litre (or US spelling liter) are the units of measuring volume. Gallon is a term that refers to the standard distribution packaging of the corn harvest and wine. It has a larger quantity of the litre. Because of its international recognition, the litre is a more commonly used unit of measurement. The term gallon first started during the early 19th century. Litre was an official unit of volume in the French metric system. It is used in all measurement applications (even though it is not an official volume unit of the SI, which is cm3). There are two official symbols for litre are the Latin letter L in lower and upper case (l and L). Over the years, gallon has been adapted into new definitions according to the liquid or solid substance. Currently, its standard definition is split into three: “4.5L for the UK gallon,” “3.8L for the US liquid gallon” and “4.4L for the US dry gallon.” The international unit of volume is the cubic meter (m3). One litre is equal to 1000 cm3 (0.001 cubic meter) denoted as one cubic decimetre (dm3). The use of litre unit first began in France. It was adapted internationally after this to be used as a standard unit of many product packagings. The liters are about four per gallon. The unit of conversion between (American) gallons and liters is 1 gallon = 3.785 liters. The British and the American gallons are not same. The American gallon is a smaller unit of volume with a different conversion factor.

Comparison Chart

GallonLitre
A unit for measuring a material’s volume that has a larger quantity of the litre.A more commonly used unit of volume measurement.
Symbol
Gl or GLl (ℓ) or L
Interconversion
1 Gallon(uk) = 4.5 litres, 1 Gallon(us liquid) ≈ 3.8 litres, 1 Gallon(us dry)≈ 4.4 L1 litre = 0.264172052 gallon (us liq)
Unit of
VolumeVolume
The Volume of One Gallon/Litre
GreaterLesser

What is a Gallon?

A gallon is a common unit of volume. It is a term that refers to the standard distribution packaging of the corn harvest and wine. It has a larger quantity of the litre. The term gallon first started during the early 19th century. The international unit of volume is the cubic meter (m3). Gallon is the English unit. It has been adapted into new definitions over the years, according to the liquid or solid substance. There are three definitions in current use: “4.5L for the UK Imperial gallon,” “3.8L for the US liquid gallon” and “4.4L for the US dry gallon.” The use of litre unit first began in France. It was adapted internationally after this to be used as a standard unit of many product packagings. The liters are about four per gallon. The unit of conversion between (American) gallons and liters is 1 gallon = 3.785 liters. The British and the American gallons are not same. The American gallon is a smaller unit of volume with a different conversion factor. The gallon in the United States is equal to exactly 231 cubic inches or 3.785411784 liters. The Imperial or UK gallon is equal to approximately 277.42 cubic inches. To perform the conversion, one must sure to know the country or one is not going to get the correct answer. The mentioned example uses the American gallon. But the setup for this problem works the same for the Imperial gallon (using 277.42 instead of 3.785). Gallon is the English unit.

What is Litre?

Litre is a unit for measuring a material’s volume. Nowadays, substances like water and other beverages are packed by the litre (or by the gallon). It is the reason that the people often refer to a container as “a litre” or “a gallon” of some liquid. The liter is the metric volume unit. Because of its international recognition, the litre is a more commonly used unit of measurement. Although litre is not an SI unit, still it is accepted for use with the SI. Litre was an official unit of volume in the French metric system. It is used in all measurement applications (even though it is not an official volume unit of the SI, which is cm3). There are two official symbols for litre are the Latin letter L in lower and upper case (l and L). The small case L is often written as a cursive ℓ to avoid confusion with the number 1 in the Antiqua fonts. The international unit of volume is the cubic meter (m3). One litre is equal to 1000 cm3 (0.001 cubic meter) denoted as one cubic decimetre (dm3). The use of litre unit first began in France. It was adapted internationally after this to be used as a standard unit of many product packagings. The liters are about four per gallon.

Key Differences

  1. A gallon is a unit for measuring a material’s volume that has a larger quantity of the litre whereas litre is a more commonly used unit of volume measurement.
  2. The volume of one gallon is greater on the flip side the volume of one litre is comparatively less.
  3. The gallon (unit of measurement) started as a standard French unit of volume while the litre (unit of measurement) started as a standard unit of volume in the US.
  4. The gallon is used more often for commodities that need to be bought in smaller quantities; on the other hand, the litre is used more often for commodities that need to be bought in larger quantities.
  5. The symbol of a gallon is Gl or GL conversely the symbol of litre is l (ℓ) or L.
  6. Gallon is the English unit; on the contrary, a litre is the metric volume unit.

Conclusion

Gallon and litre are the two different units of measurement of some material’s volume.

Author:

Aimie Carlson

Aimie Carlson is an English language enthusiast who loves writing and has a master degree in English literature. Follow her on Twitter at @AimieCarlson

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