Convert US Gallons to Liters
Convert US gallons to liters instantly. Type a value below, check the formula and table, then see how the same gal (US) to L conversion looks as a single line in Notes Calculator.
US Gallons to Liters formula
One US gallon is 3.78541 liters, so L = gal (US) × 3.78541. For the reverse, multiply liters by 0.264172, or use the Liters to US Gallons converter.
US Gallons to Liters conversion table
| US Gallons (gal (US)) | Liters (L) |
|---|---|
| 1 | 3.78541 |
| 2 | 7.57082 |
| 5 | 18.9271 |
| 10 | 37.8541 |
| 20 | 75.7082 |
| 25 | 94.6353 |
| 50 | 189.271 |
| 100 | 378.541 |
| 250 | 946.353 |
| 500 | 1,892.71 |
| 1,000 | 3,785.41 |
US Gallons to Liters in Notes Calculator
Notes Calculator is a notepad that does math. Write 100 galUS to liters on any line and the answer appears beside it. Change the number and the result follows. The same works with in and as, and with values stored in variables, so a whole estimate can mix US gallons and liters without a separate converter.
| Note | Result |
|---|---|
| 100 galUS to liters | 378.54 L |
| 100 galUS in liters | 378.54 L |
| 10 liters as galUS | 2.64 galUS |
See the unit conversion docs for mixing units in one expression, or open the free web app and try it.
More volume conversions
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- US Gallons to Imperial Gallons
- US Gallons to US Pints
- US Gallons to US Quarts
- US Gallons to US Fluid Ounces
- US Gallons to US Tablespoons
- All-in-one unit converter
FAQ
Frequently asked questions
- One US gallon equals 3.78541 liters. To convert US gallons to liters, multiply by 3.78541; to go back, multiply by 0.264172.
- Type the value, the unit, and the target unit on one line: 100 galUS to liters. The keywords to, in, and as all work, and the result updates as you type. You can also keep the value in a variable and convert it later.
- Yes. The converter on this page is free, and Notes Calculator has a free plan for the web, Mac, Windows, Linux, and Android with the same unit conversions built in.
How many liters are in one US gallon?
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Convert US gallons to liters without leaving your notes.
Notes Calculator is free to start and runs in your browser. Units, currencies, percentages, and variables in one plain-text notepad.
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