Convert Gallons to Cubic Yards

Enter the volume in gallons below to get the value converted to cubic yards.

Results in Cubic Yards:
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1 gal = 0.004951 yd³

How to Convert Gallons to Cubic Yards

Calculators can be used to convert measurements from one unit to another

To convert a gallon measurement to a cubic yard measurement, multiply the volume by the conversion ratio. One gallon is equal to 0.004951 cubic yards, so use this simple formula to convert:

cubic yards = gallons × 0.004951

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

For example, here's how to convert 5 gallons to cubic yards using the formula above.
5 gal = (5 × 0.004951) = 0.024756 yd³

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


The US liquid gallon is a unit of fluid volume equal to four quarts, eight pints, or sixteen cups. 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 Measurements and Equivalent Cubic Yard Conversions

Common gallon values converted to the equivalent cubic yard value
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
11 gal 0.054462 yd³
12 gal 0.059414 yd³
13 gal 0.064365 yd³
14 gal 0.069316 yd³
15 gal 0.074267 yd³
16 gal 0.079218 yd³
17 gal 0.084169 yd³
18 gal 0.08912 yd³
19 gal 0.094072 yd³
20 gal 0.099023 yd³
21 gal 0.103974 yd³
22 gal 0.108925 yd³
23 gal 0.113876 yd³
24 gal 0.118827 yd³
25 gal 0.123778 yd³
26 gal 0.128729 yd³
27 gal 0.133681 yd³
28 gal 0.138632 yd³
29 gal 0.143583 yd³
30 gal 0.148534 yd³
31 gal 0.153485 yd³
32 gal 0.158436 yd³
33 gal 0.163387 yd³
34 gal 0.168338 yd³
35 gal 0.17329 yd³
36 gal 0.178241 yd³
37 gal 0.183192 yd³
38 gal 0.188143 yd³
39 gal 0.193094 yd³
40 gal 0.198045 yd³

More Gallon Volume Conversions

US Liquid
Convert to Quarts
1 gal is equal to 4 quarts
Convert to Pints
1 gal is equal to 8 pints
Convert to Fluid Ounces
1 gal is equal to 128 fluid ounces
US Cooking
Convert to Cups
1 gal is equal to 16 cups
Convert to Tablespoons
1 gal is equal to 256 tablespoons
Convert to Teaspoons
1 gal is equal to 768 teaspoons
US Customary Volume
Convert to Cubic Inches
1 gal is equal to 231 cubic inches
Convert to Cubic Feet
1 gal is equal to 0.133681 cubic feet
Metric Volume
Convert to Liters
1 gal is equal to 3.785412 liters
Convert to Milliliters
1 gal is equal to 3,785.41 milliliters
Convert to Cubic Centimeters
1 gal is equal to 3,785.41 cubic centimeters
Convert to Cubic Meters
1 gal is equal to 0.003785 cubic meters