Our gallons to cubic feet converter allows you to quickly convert cubic feet to gallons. It's a simple tool for anyone who needs to convert cubic feet to gallons. On this page, we'll talk about how to convert gallons to cubic feet, understand how to use this gallons to cubic feet converter, and answer some common questions about this conversion.

US and UK Gallon Differences

The term "gallon" refers to a unit of volume measurement, but it can mean different amounts depending on whether you're using the US or UK system.
A US gallon is exactly 231 cubic inches or 3.785 liters (L), while a UK gallon is slightly larger at 4.546 L. So, a UK gallon can hold more liquid than a US gallon.

Gallons vs Cubic Feet

Another common unit for measuring volume is the cubic foot (cu ft or ft³). A cubic foot is the amount of space that would fit inside a box that's 1 foot long, 1 foot wide, and 1 foot tall. To convert between gallons and cubic feet, we need to know how many cubic feet are in one gallon.

Here are the conversion factors:

• 1 US gallon = 0.133681 cubic feet
• 1 UK gallon = 0.160544 cubic feet

To change gallons to cubic feet, you multiply the number of gallons by the appropriate conversion factor above.

Examples

Let's say you want to know how many cubic feet are in 5 gallons.

For 5 US gallons:
5 gallons x 0.133681 cubic feet/gallon = 0.668405 cubic feet

For 5 UK gallons:
5 gallons x 0.160544 cubic feet/gallon = 0.80272 cubic feet

US Gallons to Cubic Feet Table

Gallons (US)	Cubic Feet
1	0.133681
2	0.267362
3	0.401043
4	0.534724
5	0.668405
6	0.802086
7	0.935767
8	1.069448
9	1.203129
10	1.336810

FAQ

What is half of a gallon called?

Half of a gallon is equal to 2 quarts. A quart is one-fourth of a gallon.

How many cups are in a gallon?

There are 4 quarts in a gallon, and 4 cups in a quart. So there are 16 cups in 1 gallon.

If I have 10 cubic feet, how many US gallons is that?

To convert 10 cubic feet to US gallons, divide 10 by 0.133681 (the cubic feet in 1 US gallon).
10 ÷ 0.133681 = 74.8 US gallons

Is a liter bigger than a US gallon?

No, a liter is smaller than a US gallon. There are about 3.785 liters in 1 US gallon.

The key things to remember are the different sizes of the US and UK gallons, how to convert between gallons and cubic feet, and common gallon fraction names like quarts and cups. Converting between units allows you to better understand and communicate volume measurements.