US Liquid Gallon

Team Physics -
Created by: Team Physics -, Last Updated: May 9, 2024

US Liquid Gallon

What is US Liquid Gallon ?

A US liquid gallon is a unit of volume measurement commonly used in the United States for liquids. It’s equivalent to approximately 3.78541 liters or 231 cubic inches. A US gallon contains 128 fluid ounces. There are 4 quarts, 2 pints, and 2 cups. A pint has 16 fluid ounces.

The US dry gallon has a volume of 268.80 cubic inches, or 4.40 liters.This measurement is frequently used in everyday contexts such as measuring gasoline for cars, milk etc.Understanding the US liquid gallon is essential for tasks involving liquid volume conversions and measurements in the United States.

Unit of US Liquid Gallon

The unit of measurement for the US liquid gallon is “gallon” (abbreviated as “gal”). It’s used to quantify volume, particularly for liquids, in various contexts such as in household measurements, fuel sales, and beverage containers.

Examples of US Liquid Gallon

Here are 10 examples of the US liquid gallon in everyday use:

1.Gasoline: When filling up your car at the gas station, you might purchase 10 gallons of gasoline.
2.Milk: You might buy 10 gallons of milk at the grocery store to stock up for the week.
3.Water: Purchasing 10 gallons of bottled water is common for households or events where a large amount of drinking water is needed.
4.Paint: If you’re planning to paint multiple rooms in your house, you might purchase 10 gallons of paint in various colors.
5.Cleaning Products: Some household cleaning products, like laundry detergent or bleach, are sold in gallon-sized containers. You might buy 10 gallons of these products to last for several months.
6.Liquid Soap: Buying bulk liquid soap in 10-gallon containers is practical for businesses like restaurants, schools, or public restrooms.
7.Cooking Oil: Restaurants or food establishments might purchase 10 gallons of cooking oil for their commercial kitchens.
8.Swimming Pool: Filling or refilling a swimming pool might require around 10 gallons of water, depending on its size.
9.Car Wash: Car wash businesses often purchase cleaning solutions in bulk, such as 10 gallons of soap or wax.
10.Brewing: Home brewers or small breweries might purchase 10 gallons of malt extract or other brewing ingredients for a batch of beer.

These examples demonstrate the versatility of the US liquid gallon as a unit of measurement for various liquids in everyday life.

US Liquid Gallon of 3D Shapes

The US liquid gallon is a unit of volume typically used for measuring liquids rather than solid objects like 3D shapes. However, if you’re interested in visualizing the volume of a 3D shape in terms of gallons, you could imagine filling the shape with liquid and then measuring how many gallons of liquid it holds.

For example:

Cylinder: If you have a cylindrical tank or container, you can calculate its volume using the formula for the volume of a cylinder (V = πr^2h), where r is the radius of the base and h is the height. Once you have the volume in cubic inches or cubic centimeters, you can convert it to gallons to determine how many gallons of liquid the cylinder can hold.
Rectangular Prism: For a rectangular prism (like a fish tank or storage container), you calculate the volume by multiplying the length, width, and height of the shape (V = lwh). Again, once you have the volume in cubic inches or cubic centimeters, you can convert it to gallons.
Sphere: The volume of a sphere (V = 4/3πr^3) can be calculated using the radius of the sphere. Convert the volume to gallons after computing it in cubic inches or cubic centimeters.

Remember, this is just a way to conceptualize the volume of 3D shapes in terms of liquid measurement. In practical terms, the US liquid gallon is typically used for measuring the volume of liquids rather than solid objects.

List of US Liquid Gallon Formulas

Here’s a list of formulas related to the US liquid gallon:

To UnitConversion FactorExample Using 1 US Gallon
US Quarts (qt)1 US gallon = 4 quarts1 US gallon = 4 quarts
US Pints (pt)1 US gallon = 8 pints1 US gallon = 8 pints
US Cups (cup)1 US gallon = 16 cups1 US gallon = 16 cups
US Fluid Ounces (fl oz)1 US gallon = 128 fluid ounces1 US gallon = 128 fluid ounces
US Tablespoons (tbsp)1 US gallon = 256 tablespoons1 US gallon = 256 tablespoons
US Teaspoons (tsp)1 US gallon = 768 teaspoons1 US gallon = 768 teaspoons
Liters (L)1 US gallon ≈ 3.785 liters1 US gallon ≈ 3.785 liters
Milliliters (mL)1 US gallon ≈ 3785.41 milliliters1 US gallon ≈ 3785.41 milliliters

Conversion from US Gallons to US Quarts (qt):

1 US gallon = 4 quarts

Conversion from US Gallons to US Pints (pt):

1 US gallon = 8 pints

Conversion from US Gallons to Cups (cup):

1 US gallon = 16 cups

Conversion from US Gallons to US Tablespoons (tbsp):

1 US gallon = 128 fluid ounces

Conversion from US Gallons to US Teaspoons (tsp): 

1 US gallon = 768 teaspoons

Conversion from US Gallons to Liters (L):

1 US gallon ≈ 3.785 liters

Conversion from US Gallons to Milliliters (mL):

1 US gallon ≈ 3785.41 milliliters 

Units of US Liquid Gallon:

US Dry GallongalApproximately 4.4049 liters
Imperial Gallon (UK)galApproximately 4.54609 liters
Cubic Inchin³1 cubic inch = 0.004329 US liquid gallons
Cubic Footft³1 cubic foot = 7.48052 US liquid gallons
MillilitermL1 liter = 1000 milliliters

Differences between Us Liquid Gallon vs Imperial Gallon

Differences between Us Liquid Gallon vs Imperial Gallon
AspectUS Liquid GallonImperial Gallon
VolumeApproximately 3.78541 litersApproximately 4.54609 liters
Definition231 cubic inches277.42 cubic inches
UsagePrimarily used in the United StatesPrimarily used in the United Kingdom
Relationship1 US liquid gallon ≈ 0.8327 imperial gallons1 imperial gallon ≈ 1.2009 US liquid gallons
Historical OriginsOriginated from US customary systemOriginated from British imperial system

Uses of US Liquid Gallon

The US liquid gallon serves various practical purposes in everyday life, including:

1.Measuring and dispensing fuel for vehicles, including cars, trucks, and motorcycles, at gas stations.
2.Estimating and monitoring water consumption for household use, such as drinking, cooking, bathing, and irrigation.
3.Packaging and selling beverages, including milk, juice, water, and other liquids, in large containers for commercial and residential use.
4.Determining the capacity of storage tanks, barrels, and containers used in industrial applications, agriculture, and chemical handling.
5.Standardizing volume measurements in manufacturing processes, such as in the production of detergents, cleaning agents, and industrial chemicals.


How many Litres is the US gallon?

The US liquid gallon is equivalent to approximately 3.78541 liters.

Why is a US gallon different to a UK gallon?

The difference between the US gallon and the UK gallon arises from historical origins and standards. The US gallon, defined by the National Institute of Standards and Technology, is smaller, with a volume of approximately 3.78541 liters. In contrast, the UK gallon, established by British law, is larger, measuring about 4.54609 liters.

AI Generator

Text prompt

Add Tone

10 Examples of Public speaking

20 Examples of Gas lighting