Gallons to Liters
Convert gallons to liters instantly, with a reference table.
Gallons to Liters at a glance
Gallons to Liters is a free online converter you can use right now to convert gallons to liters instantly, with a reference table โ no account, no install and no usage limit. It runs entirely inside your browser, so whatever you enter stays on your own device.
- Price
- Free โ no trial, no paid tier, no watermark
- Sign-up
- Not required
- Where it runs
- In your browser โ nothing is uploaded to a server
- Works on
- Chrome, Safari, Firefox and Edge โ desktop, tablet and phone
- Category
- Unit Conversions
Gallons to Liters conversion table
| Gallons (gal) | Liters (L) |
|---|---|
| 1 gal | 3.785412 L |
| 2 gal | 7.570824 L |
| 3 gal | 11.356235 L |
| 5 gal | 18.927059 L |
| 10 gal | 37.854118 L |
| 25 gal | 94.635295 L |
| 50 gal | 189.27059 L |
| 100 gal | 378.54118 L |
| 500 gal | 1,892.7059 L |
| 1000 gal | 3,785.4118 L |
About Gallons to Liters
Convert gallons to liters instantly, with a reference table of common values. The factor is exact: 1 gal = 3.785411784 L.
Needed when a US fuel, paint or liquid quantity has to be bought or measured in a metric country, where the same product is sold in litres.
The gallon is the most treacherous unit in everyday use, because two incompatible versions share the name. The US liquid gallon is 3.785 litres; the imperial gallon used in the UK and Canada is 4.546 litres โ roughly 20% larger. It measures fuel and large liquid quantities in the United States, and persists in the United Kingdom mainly for fuel economy figures expressed in miles per gallon. A US gallon is about 3.8 litres and weighs roughly 8.34 lb; an imperial gallon is about 4.5 litres.
Worked through with real numbers: 1 gal is 3.785 L, 2 gal is 7.571 L, 10 gal is 37.854 L.
As for the other side of the conversion: A standard water bottle is 500 mL, and a large fizzy-drink bottle is 2 litres.
Volume carries more traps than any other category, because the same unit names mean different amounts in different countries. US and imperial gallons differ by about 20%, pints by nearly as much, and the cup has four separate definitions in common use.
How to use Gallons to Liters
- Enter the number of gallons you want to convert.
- The equivalent in liters appears instantly โ there is no button to press.
- Check the reference table for common Gallons to Liters values.
Frequently asked questions
How do I convert gallons to liters?
Multiply your gallons figure by 3.785411784 to get liters โ or type a value above and read the answer straight off.
How many liters are in one gallon?
1 gal = 3.785411784 L.
When would I need to convert gallons to liters?
Needed when a US fuel, paint or liquid quantity has to be bought or measured in a metric country, where the same product is sold in litres.
What is a gallon, exactly?
The gallon is the most treacherous unit in everyday use, because two incompatible versions share the name. The US liquid gallon is 3.785 litres; the imperial gallon used in the UK and Canada is 4.546 litres โ roughly 20% larger. A US gallon is about 3.8 litres and weighs roughly 8.34 lb; an imperial gallon is about 4.5 litres.
Where is the liter actually used?
It is the standard unit for beverages, fuel and liquid capacity in most of the world. A standard water bottle is 500 mL, and a large fizzy-drink bottle is 2 litres.
Is there anything tricky about volume conversions?
Volume carries more traps than any other category, because the same unit names mean different amounts in different countries. US and imperial gallons differ by about 20%, pints by nearly as much, and the cup has four separate definitions in common use.
Is this converter accurate?
Yes. It uses the exact standard factor of 1 gal = 3.785411784 L, and the conversion runs in your browser so nothing is uploaded.