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Single conversion
To convert from Gallon (gal) to Liter (l), use the following formula:
With is the ratio between the base units Liter (l) and Fluid Ounce (fl-oz).
Let's convert 5 Gallon (gal) to Liter (l).
Using the formula:
Therefore, 5 Gallon (gal) is equal to Liter (l).
Here are some quick reference conversions from Gallon (gal) to Liter (l):
| Gallons | Liters |
|---|---|
| 0.000001 gal | l |
| 0.001 gal | l |
| 0.1 gal | l |
| 1 gal | l |
| 2 gal | l |
| 3 gal | l |
| 4 gal | l |
| 5 gal | l |
| 6 gal | l |
| 7 gal | l |
| 8 gal | l |
| 9 gal | l |
| 10 gal | l |
| 20 gal | l |
| 30 gal | l |
| 40 gal | l |
| 50 gal | l |
| 100 gal | l |
| 1000 gal | l |
| 10000 gal | l |
For all Volume converters, choose units using the From/To dropdowns above.
A gallon (gal) is a unit of volume, most commonly associated with the imperial and US customary systems of measurement.
It is equal to 128 Fluid Ounces (fl-oz).
A common point of confusion is the difference between the US gallon and the imperial gallon (used in the UK and other Commonwealth nations).
They are not the same size!
This difference stems from historical definitions that were standardized differently in the US and Britain during the 18th and 19th centuries.
So, if you're comparing fuel efficiency, remember that "miles per gallon" ratings are based on different-sized gallons!
The word "gallon" has a rich history, tracing its roots back through several languages.
It originates from the Old Northern French word galon, which referred to a liquid measure.
This term is believed to have originated from the Gallo-Roman word gallēta, meaning a "pail" or "bucket." The ultimate origin likely goes back to a Celtic word, highlighting the unit's long-standing use in European trade and daily life for centuries.
While we typically associate the gallon with liquids, there is also a US dry gallon.
This unit, not commonly used today, is equivalent to one-eighth of a bushel, or about 4.405 liters. It was historically used to measure dry goods such as grain or fruit.
This is also why the famous "10-gallon hat" is a misnomer; its name doesn't refer to its volume.
Instead, it is thought to originate from the Spanish word galón, meaning "braid," which refers to the braided band on the hat.
A liter (l) is a fundamental unit used to measure volume in the metric system.
In simple terms, it measures the amount of space a substance occupies, like the amount of soda in a bottle. The plural form is liters.
The liter was introduced in France in 1795 during the French Revolution.
It was created as part of a movement toward a more logical and universal system of measurement, which later evolved into the modern metric system.
Initially, the definition of a liter was based on the weight of one kilogram of pure water.
While the original definition was based on the mass of water, it was updated for greater precision and consistency.
Today, the official definition directly connects the liter to a unit of length, making it easier to understand.
So, how big is a liter?
A liter is officially defined as exactly one cubic decimeter (1 dm3).
This means a liter is the volume of a perfect cube with sides that are each 10 centimeters long (10 cm × 10 cm × 10 cm).
The difference between "liter" and "litre" is simply a regional spelling choice—the volume they represent is precisely the same!
Both spellings are correct, and the one you use depends on where you are.