Liters to Gallons Converter
Your recipe calls for 2 gallons but you measure in liters. Check instantly if your container is big enough.
Last updated: May 2026
Enter a value to see the conversion instantly.
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Volume Fill Visualization
Capacity: 10 L — Large fuel can
How to convert liters to gallons
Enter a value in the liters field to instantly see the equivalent in US gallons. The formula is: gallons = liters x 0.264172. The reverse: liters = gallons x 3.78541. One US gallon equals approximately 3.785 liters.
Common reference values
| Liters | US Gallons | Typical use |
|---|---|---|
| 1 L | 0.2642 gal | Small water bottle |
| 5 L | 1.3209 gal | Small jerry can |
| 10 L | 2.6417 gal | Bucket capacity |
| 20 L | 5.2834 gal | Standard fuel can |
| 50 L | 13.2086 gal | Average car fuel tank |
| 100 L | 26.4172 gal | Large fuel tank |
| 200 L | 52.8344 gal | Industrial drum |
Understanding liters and gallons
Liters are part of the metric system, used worldwide for liquids. US gallons are used in the United States for fuel, milk and other liquids. One US gallon equals 3.785411784 liters exactly. UK (Imperial) gallons are different at 4.546 liters - this converter uses US gallons.
When You'll Need This Conversion
Use this converter for: Converting US recipes to metric, calculating fuel economy, comparing product sizes between regions, sizing containers and tanks.
Frequently Asked Questions
How many liters does a full tank of gas hold?
A compact car fuel tank typically holds 40–55 liters (10.5–14.5 US gallons). A family sedan holds 55–70 liters (14.5–18.5 US gallons). SUVs and trucks range from 75–100 liters (19.8–26.4 US gallons). If a US fuel receipt lists gallons, multiply by 3.785 to get liters for your own records.
Are US and UK gallons the same?
No. One US gallon equals 3.785 liters, but one UK (Imperial) gallon equals 4.546 liters. The UK gallon is about 20% larger. This converter uses US gallons.
A recipe calls for 2 gallons of water — how many liters is that?
2 US gallons = 7.57 liters. Common amounts: 1 quart (0.25 gal) = 0.946 liters, 1 gallon = 3.785 liters, 2 gallons = 7.57 liters. European recipes use liters directly. For a US slow cooker recipe that specifies gallons, convert once and note the liter equivalent on the recipe card.
Why does a UK gallon give me a different result than a US gallon?
One US gallon = 3.785 liters; one UK (Imperial) gallon = 4.546 liters. The difference is 20%. If you fill up a UK car and the receipt shows 10 gallons, that's 45.46 liters — not 37.85. This converter uses US gallons. For UK gallon conversions, the factor is 4.546.
Can I convert milk and water the same way?
Yes. All liquids use the same volume conversion. The factor 0.264172 applies whether you measure water, milk, fuel or oil.
Why does a 5-liter jug sometimes look different in gallons on different package labels?
The same container (5 liters) can be labeled as either 1.32 US gallons OR 1.10 UK gallons, depending on where it was manufactured. A 5-liter container is standard in metric countries. Always check which gallon system (US or UK) the label uses before assuming equivalence. For cooking, US measurements are more common in English-language recipes; check recipe sources.
How much water should I drink daily, and how does that convert?
A common recommendation is 2-3 liters per day (0.53-0.79 US gallons). That's roughly 8-12 standard cups per day. If you prefer US measurements, a gallon of water daily (3.785 liters) is roughly double the typical recommendation. Track your intake in the unit system that makes sense to you — either way, consistency matters more than the unit.