Gallon (US liquid) (gal)
Exactly 231 cubic inches (3.785411784 liters).
What is a US gallon?
- Symbol
- gal
- Quantity
- Volume
- Unit system
- US customary
- Definition
- Exactly 231 cubic inches (3.785411784 liters).
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8 (US liquid measures derive from the exact 231 cubic inch gallon)
Common applications
Used in the United States for fuel, milk and water. It is about 17% smaller than the imperial gallon.
Gallon (US liquid) in other volume units
- 1 gal = 3785.411784 mLMilliliter
- 1 gal = 3.785411784 LGallon (US liquid) to Liter converter
- 1 gal = 3785.411784 cm³Cubic centimeter
- 1 gal = 0.003785411784 m³Cubic meter
- 1 gal = 768 tspTeaspoon (US customary)
- 1 gal = 256 tbspTablespoon (US customary)
- 1 gal = 128 fl ozFluid ounce (US)
- 1 gal = 16 cupCup (US customary)
- 1 gal = 8 ptPint (US liquid)
- 1 gal = 4 qtQuart (US liquid)
- 1 gal ≈ 133.2278695 imp fl ozFluid ounce (imperial)
- 1 gal ≈ 6.661393477 imp ptPint (imperial)
- 1 gal ≈ 3.330696739 imp qtQuart (imperial)
- 1 gal ≈ 0.8326741846 imp galGallon (US liquid) to Gallon (imperial) converter
- 1 gal = 231 in³Cubic inch
- 1 gal ≈ 0.1336805556 ft³Cubic foot
- 1 gal ≈ 0.004951131687 yd³Cubic yard
Gallon (US liquid) quick reference
| Gallon (US liquid) | Liter | Gallon (imperial) | Milliliter |
|---|---|---|---|
| 1 gal | = 3.785411784 L | ≈ 0.8326741846 imp gal | = 3785.411784 mL |
| 10 gal | = 37.85411784 L | ≈ 8.326741846 imp gal | = 37854.11784 mL |
| 100 gal | = 378.5411784 L | ≈ 83.26741846 imp gal | = 378541.1784 mL |
| 1000 gal | = 3785.411784 L | ≈ 832.6741846 imp gal | = 3785411.784 mL |
Where the US gallon fits
The next smaller volume unit is the imperial quart (imp qt). 1 gal ≈ 3.330696739 imp qt, and 1 imp qt ≈ 0.3002374814 gal.
The next larger volume unit is the imperial gallon (imp gal). 1 gal ≈ 0.8326741846 imp gal, and 1 imp gal ≈ 1.200949926 gal.
Frequently asked questions
- How many liters are in one US gallon?
- One US gallon = 3.785411784 L (liters).
- How many imperial gallons are in one US gallon?
- One US gallon ≈ 0.8326741846 imp gal (imperial gallons).
- How many milliliters are in one US gallon?
- One US gallon = 3785.411784 mL (milliliters).