Instant · Precise · Universal
47 units available
6 categories total
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)) = 3.785412e-15 Petaliter (PL).
| Gallon (US) (gal (US)) | Petaliter (PL) |
|---|---|
| 0.1 | 3.785412e-16 |
| 0.5 | 1.892706e-15 |
| 1 | 3.785412e-15 |
| 2 | 7.570824e-15 |
| 5 | 1.892706e-14 |
| 10 | 3.785412e-14 |
| 25 | 9.463529e-14 |
| 50 | 1.892706e-13 |
| 100 | 3.785412e-13 |
| 500 | 1.892706e-12 |
| 1000 | 3.785412e-12 |
The US gallon is a unit of volume equal to 128 US fluid ounces, or approximately 3.785 liters, used for large liquid volumes.
1 US gal = 4 US qt = 8 US pt = 16 US cups = 128 US fl oz = 3.785411784 L.
To liters: multiply by 3.785. To UK gallons: multiply by 0.832674. To cubic meters: multiply by 0.003785.
Fuel prices ($/gal), milk jugs, water cooler bottles, swimming pool chemicals, and paint quantities.
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!
Confusing US and UK gallons — UK gallons are 20% larger. Fuel economy (mpg) differs significantly between the two systems.
1 gallon ≈ 3.8 liters ≈ a large milk jug. 4 quarts = 1 gallon. A gallon of water weighs about 8.3 pounds.



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