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)) = 0.000003785411784 Megaliter (ML).
| Gallon (US) (gal (US)) | Megaliter (ML) |
|---|---|
| 0.1 | 3.785412e-7 |
| 0.5 | 0.000001892705892 |
| 1 | 0.000003785411784 |
| 2 | 0.000007570823568 |
| 5 | 0.00001892705892 |
| 10 | 0.00003785411784 |
| 25 | 0.0000946352946 |
| 50 | 0.0001892705892 |
| 100 | 0.0003785411784 |
| 500 | 0.001892705892 |
| 1000 | 0.003785411784 |
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.



© 2026 UntangleTools. All Rights Reserved.