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Volume

Convert US gallons to cubic yards

1 gal (US)=0.004951yd³

Use the converter below to change any US gallons value into cubic yards instantly — with formula, conversion table, and real-world examples.

0.0049511

Conversion formula

Forward
cubic yards = US gallons × 0.004951
Reverse
US gallons = cubic yards × 201.974

Example: 10 gal (US) × 0.004951 = 0.04951 yd³.

About both units

From

US Gallon

gal (US)

The US gallon equals 3.785411784 litres exactly. It is the standard fuel and liquid volume unit in the United States. A typical American car holds 14–18 US gallons of fuel. US fuel economy is quoted in miles per US gallon (mpg).

Real-world: US car tank ≈ 15 gallons (57 L). 1 US gallon of milk is a common grocery size (3.79 L). US paint often sold by the gallon.
Read full us gallon reference →
To

Cubic Yard

yd³

The cubic yard equals 0.7646 cubic metres or 27 cubic feet. It is the standard US unit for concrete, gravel, mulch and soil ordering. A typical residential concrete truck delivers 10 cubic yards. US freight shipping also uses cubic yards for loose-material capacity.

Real-world: A residential US concrete pour might need 3–8 cubic yards. US garbage dumpsters rated in cubic yards.
Read full cubic yard reference →

US Gallon to Cubic Yard conversion table

Common US gallons to cubic yards values for quick reference.

US Gallon (gal (US))Cubic Yard (yd³)
1 gal (US)0.004951 yd³
2 gal (US)0.009902 yd³
5 gal (US)0.02476 yd³
10 gal (US)0.04951 yd³
20 gal (US)0.09902 yd³
50 gal (US)0.2476 yd³
100 gal (US)0.4951 yd³
200 gal (US)0.9902 yd³
500 gal (US)2.47557 yd³
1,000 gal (US)4.95113 yd³

Tips & common mistakes

Quick tips

  • 1 US gallon = 3.785 L = 128 US fluid ounces = 4 quarts.
  • Converting mpg (US) to L/100 km: 235.215 / mpg = L/100 km.
  • The US gallon is based on the old English Queen Anne wine gallon (1707).

Avoid these

  • Using UK gallons on a US fuel-economy figure — 30 mpg (US) = 36 mpg (UK).
  • Confusing US gallon (3.79 L) with UK gallon (4.55 L) — 20% difference.
  • Using "gallon" without qualifier in cross-Atlantic commerce.

Frequently asked questions

How many cubic yards in a us gallon?
One us gallon equals 0.004951 cubic yards.
How do I convert US gallons to cubic yards?
Multiply the us gallon value by 0.004951 to get the equivalent in cubic yards.
What is 100 US gallons in cubic yards?
100 US gallons equals 0.4951 cubic yards.
Is a us gallon bigger than a cubic yard?
No. 1 us gallon equals 0.004951 cubic yards, so one us gallon is smaller.
How to convert US gallons to cubic yards without a calculator?
Multiply by 0 for a quick estimate; use a calculator for precise results.

Related volume conversions

📊 See full comparison matrix →

More from US Gallon

gal (US) → L
1 = 3.78541 L
gal (US) → ml
1 = 3,785.41 ml
gal (US) → m³
1 = 0.003785 m³
gal (US) → gal (UK)
1 = 0.8327 gal (UK)
gal (US) → fl oz
1 = 128 fl oz
gal (US) → cup
1 = 15.7725 cup
gal (US) → pt
1 = 8 pt
gal (US) → qt
1 = 4 qt

More to Cubic Yard

L → yd³
1 = 0.001308 yd³
ml → yd³
1 = 1.3080e-6 yd³
m³ → yd³
1 = 1.30795 yd³
gal (UK) → yd³
1 = 0.005946 yd³
fl oz → yd³
1 = 3.8681e-5 yd³
cup → yd³
1 = 0.0003139 yd³
pt → yd³
1 = 0.0006189 yd³
qt → yd³
1 = 0.001238 yd³

Conversions in other categories

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