US gallons to Liters Converter
Type a value in us gallons to get it in liters, and see the reverse conversion.
Your numbers
Your results
Converted value
Liters (L)
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1 US gal in L
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Your number read as L, in US gal
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Millilitres (mL)
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Cubic feet (ft³)
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US gallons to Liters Converter by TheCalcTools
How the US gallons to Liters Converter works
Multiply US gallons by 3.785411784 to get litres. For UK gallons use 4.54609.
To convert us gallons to liters, multiply by 3.785411784. The calculator shows the result to 6 significant figures; the conversion factor itself is exact by definition.
Quick estimate in your head: multiply by 4 and subtract 5%.
The formula
L = US gal × 3.785411784US gal = L ÷ 3.785411784
Worked example
Using the default values shown in the calculator:
| Value in us gallons (US gal) | 5 |
|---|
- 5 US gal × 3.785411784 = 18.9271 L.
Result:
| Liters (L) | 18.9271 |
|---|---|
| 1 US gal in L | 3.78541 |
| Your number read as L, in US gal | 1.32086 |
| Millilitres (mL) | 18927.1 |
| Cubic feet (ft³) | 0.668403 |
Conversion table
| US gal | L |
|---|---|
| 1 US gal | 3.78541 L |
| 2 US gal | 7.57082 L |
| 3 US gal | 11.3562 L |
| 5 US gal | 18.9271 L |
| 10 US gal | 37.8541 L |
| 13 US gal | 49.2104 L |
| 15 US gal | 56.7812 L |
| 20 US gal | 75.7082 L |
| 50 US gal | 189.271 L |
| 100 US gal | 378.541 L |
Frequently asked questions
What is 1 US gallon in liters?
1 US gallon (US gal) equals 3.78541 L.
Sources and further reading
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This calculator gives estimates for information only. Check important results independently before you rely on them. See our disclaimer.