Gallon (US) to Cubic Yard Converter
Unit Converter
Instant · Precise · Universal
47 units available
6 categories total
How to Convert Gallon (US) to Cubic Yard
To liters: multiply by 3.785. To UK gallons: multiply by 0.832674. To cubic meters: multiply by 0.003785.
1 US gal = 4 US qt = 8 US pt = 16 US cups = 128 US fl oz = 3.785411784 L.
For example, 1 Gallon (US) (gal (US)) = 0.004951131687 Cubic Yard (yd³).
Gallon (US) to Cubic Yard — Common Values
| Gallon (US) (gal (US)) | Cubic Yard (yd³) |
|---|---|
| 0.1 | 0.0004951131687 |
| 0.5 | 0.002475565844 |
| 1 | 0.004951131687 |
| 2 | 0.009902263374 |
| 5 | 0.02475565844 |
| 10 | 0.04951131687 |
| 25 | 0.1237782922 |
| 50 | 0.2475565844 |
| 100 | 0.4951131687 |
| 500 | 2.475565844 |
| 1000 | 4.951131687 |
About Gallon (US) (gal (US))
Definition
The US gallon is a unit of volume equal to 128 US fluid ounces, or approximately 3.785 liters, used for large liquid volumes.
Mathematical Relationship
1 US gal = 4 US qt = 8 US pt = 16 US cups = 128 US fl oz = 3.785411784 L.
Conversion Formula
To liters: multiply by 3.785. To UK gallons: multiply by 0.832674. To cubic meters: multiply by 0.003785.
Practical Applications
Fuel prices ($/gal), milk jugs, water cooler bottles, swimming pool chemicals, and paint quantities.
Interesting Facts
The US gallon is smaller than the UK gallon: 3.785 L vs. 4.546 L. This means UK fuel economy figures look better by number!
Common Mistakes
Confusing US and UK gallons — UK gallons are 20% larger. Fuel economy (mpg) differs significantly between the two systems.
Educational Tips
1 gallon ≈ 3.8 liters ≈ a large milk jug. 4 quarts = 1 gallon. A gallon of water weighs about 8.3 pounds.
About Cubic Yard (yd³)
Definition
The cubic yard is an imperial unit of volume equal to a cube one yard on each side (27 cubic feet).
Mathematical Relationship
1 yd³ = 27 ft³ = 46,656 in³ = 764.555 L. One cubic meter ≈ 1.308 yd³.
Conversion Formula
To liters: multiply by 764.555. To cubic meters: multiply by 0.764555. To cubic feet: multiply by 27.
Practical Applications
Ordering concrete for foundations, mulch for landscaping, topsoil delivery, gravel for driveways, and dumpster sizes.
Interesting Facts
A standard concrete mixer truck carries 8–10 yd³. One cubic yard of topsoil weighs about 2,000 lb (roughly one ton).
Common Mistakes
The biggest mistake is cubing the linear conversion: 1 yd = 3 ft, but 1 yd³ = 27 ft³ (3³), not 3 ft³.
Educational Tips
A cubic yard is a cube 3 ft on each side. To estimate how many yd³ you need, multiply L × W × D in feet and divide by 27.