Gallon to Liter

Convert gallon to liter with the exact factor, a quick reference table and three worked examples. Everything runs in your browser.

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FromGallon (gal)
ToLiter (L)
3.7854L
L = gal × 3.7854

Conversion formula

L = gal × 3.7854

The conversion factor is 3.7854; multiply directly.

Common conversions

Gallon (gal) Liter (L)
1 3.7854
2 7.5708
5 18.9271
10 37.8541
20 75.7082
50 189.2706
100 378.5412

Worked examples

1

1 gal = 3.7854 L

2

10 gal = 37.8541 L

3

100 gal = 378.5412 L

Frequently asked questions

How many liter are in one gallon?
One gallon equals 3.7854 liter. Use L = gal × 3.7854 for any value.
What is the conversion formula?
The formula is L = gal × 3.7854. Here gal is the input unit and L is the output unit.
Is the result rounded?
The calculation uses the standard factor 3.7854. Displayed values keep up to six significant digits.

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