Volume
gal (US)toyd³
Convert US gallons (gal (US)) to cubic yards (yd³).
Factor1 gal (US) = 0.004951132 yd³
Converter
gal (US)
Accepts numbers or expressions, e.g. 150 + 14.7
Result
yd³
Rendered to 6 significant figures.
Formula
Formula
yd³ = gal (US) × 0.004951132
Multiply any value in US gallons by 0.004951132 to obtain the value in cubic yards.
Worked example
Convert 1000 gal (US) to yd³.
- 01Start with 1000 gal (US).
- 02Multiply by the conversion factor: 1000 × 0.004951132 = 4.95113 yd³.
Result1000 gal (US) = 4.95113 yd³
Conversion table
| gal (US) | yd³ |
|---|---|
| 1 | 0.0049511 |
| 2 | 0.0099023 |
| 5 | 0.024756 |
| 10 | 0.049511 |
| 20 | 0.099023 |
| 50 | 0.24756 |
| 100 | 0.49511 |
| 200 | 0.99023 |
| 500 | 2.4756 |
| 1000 | 4.9511 |
Reference values rounded to 5 significant figures for display.
FAQ
What is the conversion factor from gal (US) to yd³?
1 gal (US) equals 0.004951132 yd³. To convert, multiply the value in US gallons by 0.004951132.
How do I convert 1 gal (US) to yd³?
1 gal (US) = 0.00495113 yd³. For any value, multiply by 0.004951132.
How do I convert yd³ back to gal (US)?
Divide by the same factor — or equivalently, multiply by 201.974. So 1 yd³ = 201.974 gal (US).
When would I need to convert US gallon to cubic yard?
Volume conversions are used for tank sizing, batch calculations, and bridging between vendor specs (gallons, barrels, ft³) and process documentation (m³, litres).
Is the conversion exact?
The factor shown is precise to at least 7 significant figures. For most process-engineering work this is far better than instrument accuracy. For metrology or trade applications, refer to the relevant national standard (NIST, BIPM, ISO 80000).