Gallons to Cubic Yards Converter

Enter the volume in gallons below to convert it to cubic yards.

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Result in Cubic Yards:

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1 gal = 0.004951 yd³

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How to Convert Gallons to Cubic Yards

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To convert a measurement in gallons to a measurement in cubic yards, multiply the volume by the following conversion ratio: 0.004951 cubic yards/gallon.

Since one gallon is equal to 0.004951 cubic yards, you can use this simple formula to convert:

cubic yards = gallons × 0.004951

The volume in cubic yards is equal to the volume in gallons multiplied by 0.004951.

For example, here's how to convert 500 gallons to cubic yards using the formula above.
cubic yards = (500 gal × 0.004951) = 2.475566 yd³

Gallons and cubic yards are both units used to measure volume. Keep reading to learn more about each unit of measure.

What Is a Gallon?

The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups.[1] The US liquid gallon should not be confused with the US dry gallon or the imperial gallon, which are different units of measure.

The gallon is a US customary unit of volume. Gallons can be abbreviated as gal; for example, 1 gallon can be written as 1 gal.

Learn more about gallons.

What Is a Cubic Yard?

The cubic yard is a unit of volume that is equal to the space consumed by a cube with each edge measuring one yard.

The cubic yard is a US customary and imperial unit of volume. A cubic yard is sometimes also referred to as a cubic yd. Cubic yards can be abbreviated as yd³, and are also sometimes abbreviated as cu yard, cu yd, or CY. For example, 1 cubic yard can be written as 1 yd³, 1 cu yard, 1 cu yd, or 1 CY.

You can calculate volume using a cubic yardage calculator if you have the dimensions of a space or object.

Learn more about cubic yards.

Gallon to Cubic Yard Conversion Table

Table showing various gallon measurements converted to cubic yards.
Gallons Cubic Yards
1 gal 0.004951 yd³
2 gal 0.009902 yd³
3 gal 0.014853 yd³
4 gal 0.019805 yd³
5 gal 0.024756 yd³
6 gal 0.029707 yd³
7 gal 0.034658 yd³
8 gal 0.039609 yd³
9 gal 0.04456 yd³
10 gal 0.049511 yd³
20 gal 0.099023 yd³
30 gal 0.148534 yd³
40 gal 0.198045 yd³
50 gal 0.247557 yd³
60 gal 0.297068 yd³
70 gal 0.346579 yd³
80 gal 0.396091 yd³
90 gal 0.445602 yd³
100 gal 0.495113 yd³
200 gal 0.990226 yd³
300 gal 1.4853 yd³
400 gal 1.9805 yd³
500 gal 2.4756 yd³
600 gal 2.9707 yd³
700 gal 3.4658 yd³
800 gal 3.9609 yd³
900 gal 4.456 yd³
1,000 gal 4.9511 yd³

References

  1. National Institute of Standards and Technology, Specifications, Tolerances, and Other Technical Requirements for Weighing and Measuring Devices, Handbook 44 - 2019 Edition, https://nvlpubs.nist.gov/nistpubs/hb/2019/NIST.HB.44-2019.pdf

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