Volume
Browse Volume conversions1 US gallon = 3.785411784 liter
Precision
How This Conversion Works
US gallon and liter are both used for volume conversions. This page converts 1 US gallon into 3.785411784 liter using the formula shown below.
Use this result for quick checks, comparisons, and everyday reference. For work that depends on exact precision, review the rounding setting and the assumption note before using the number.
The precision controls let you switch between a shorter result, the standard readable result, and scientific notation when the value is very large or very small.
Unit Notes
- 1 US gallon (gal) equals 3.785411784 liter.
- liter (l) is the base unit used for volume conversions.
Conversion Questions
How do you convert US gallon to liter?
This page converts US gallon to liter using this formula: (1 x 3.785411784) / 1.
What is 1 US gallon in liter?
1 US gallon equals 3.785411784 liter.
How many decimals does this converter show?
Displayed to 10 decimal places, trimmed for readability. The precision buttons can also show a shorter result or scientific notation.
Equivalent Values
3.785411784
liter
3785.411784
milliliter
1
US gallon
4
US quart
8
US pint
16
US cup
128
US fluid ounce
256
US tablespoon
768
US teaspoon
Nearby Values
0.5 US gallon
1.892705892 liter
1 US gallon
3.785411784 liter
2 US gallon
7.570823568 liter
5 US gallon
18.92705892 liter
10 US gallon
37.85411784 liter
- Formula
- (1 x 3.785411784) / 1
- Rounding
- Displayed to 10 decimal places, trimmed for readability.
- Assumption
- US customary volume units use US liquid measure unless a future page states otherwise.