Gallons to Cubic Yards Conversion
Enter the volume in gallons below to get the value converted to cubic yards.
How to Convert Gallons to Cubic Yards

To convert a gallon measurement to a cubic yard measurement, multiply the volume by the conversion ratio.
Since one gallon is equal to 0.004951 cubic yards, you can use this simple formula to convert:
The volume in cubic yards is equal to the gallons multiplied by 0.004951.
Gallons and cubic yards are both units used to measure volume. Keep reading to learn more about each unit of measure.
Gallons
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.
Cubic Yards
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 might also be interested in our cubic yards calculator.
Gallon to Cubic Yard Conversion Table
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
- 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