Volume conversion

Convert US gallon to Liter

1 us gallon (US gal) equals 3.785411784 liter (L). Enter any value below to convert from US gal to L.

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1 US gal = 3.785411784 L

All Volume units

From 1 US gal
UnitValue
Cubic meter 0.0037854118
Liter L 3.785411784
Milliliter mL 3,785.411784
Cubic centimeter cm³ 3,785.411784
Cubic inch in³ 231
Cubic foot ft³ 0.1336805556
US gallon US gal 1
Imperial gallon imp gal 0.8326741846
US quart US qt 4
US customary cup US cup 16
US fluid ounce US fl oz 128
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Formula

US gal to L conversion formula

Use this relationship for a direct conversion:

L = US gal x 3.785411784

Worked example

2 US gal = 7.570823568 L.

US liquid and Imperial gallon definitions are treated separately and use their exact legal values.

Quick reference

US gallon to Liter table

US gallon (US gal)Liter (L)
0.010.0378541178
0.10.3785411784
13.785411784
27.570823568
518.92705892
1037.85411784
2594.6352946
50189.2705892
100378.5411784
1,0003,785.411784

From unit

About the us gallon

Exactly 231 cubic inches.

Symbol: US gal

To unit

About the liter

Exactly one cubic decimeter.

Symbol: L

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Related conversions

Source

Conversion standard

Definitions are checked against NIST Handbook 44, Appendix C. Calculations use full internal precision before display rounding.

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Questions

US gal to L FAQ

How do you convert us gallon to liter?

Use the formula L = US gal x 3.785411784. 1 us gallon (US gal) equals 3.785411784 liter (L).

Is the US gal to L conversion exact?

Both unit definitions use exact factors. Only the displayed decimal may be rounded.