18 US gallons in liters

Conversion

18 US gallons is equivalent to 68.137412112 liters.^[1]

Conversion formula
How to convert 18 US gallons to liters?

We know (by definition) that: $1 usgallon \approx 3.785411784 liter$

We can set up a proportion to solve for the number of liters.

\frac{1 usgallon}{18 usgallon} \approx \frac{3.785411784 liter}{x liter}

Now, we cross multiply to solve for our unknown $x$ :

x liter \approx \frac{18 usgallon}{1 usgallon} * 3.785411784 liter \to x liter \approx 68.13741211199999 liter

Conclusion: $18 usgallon \approx 68.13741211199999 liter$

18 US gallons is equivalent to 68.137412112 liters

Conversion in the opposite direction

The inverse of the conversion factor is that 1 liter is equal to 0.0146762251310082 times 18 US gallons.

It can also be expressed as: 18 US gallons is equal to $\frac{1}{0.0146762251310082}$ liters.

Approximation

An approximate numerical result would be: eighteen US gallons is about sixty-eight point one four liters, or alternatively, a liter is about zero point zero one times eighteen US gallons.

Units involved

This is how the units in this conversion are defined:

Us Gallons

"The US gallon is legally defined as 231 cubic inches, which is exactly 3.785411784 liters.[2][3] A US liquid gallon of water weighs about 8.34 pounds or 3.78 kilograms at 62 °F (17 °C), making it about 16.6% lighter than the imperial gallon. There are four quarts in a gallon, two pints in a quart and 16 US fluid ounces in a US pint, which makes the US fluid ounce equal to 1⁄128 of a US gallon."

Wikipedia page of US gallons

Liters

"The litre (British spelling) or liter (American spelling) is an SI accepted metric system unit of volume equal to 1 cubic decimetre (dm3), 1,000 cubic centimetres (cm3) or 1/1,000 cubic metre. A cubic decimetre (or litre) occupies a volume of 10×10×10 centimetres (see figure) and is thus equal to one-thousandth of a cubic metre."

Wikipedia page of liters

Footnotes

[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).

Results may contain small errors due to the use of floating point arithmetic.

Conversion

Conversion formula How to convert 18 US gallons to liters?

Conversion in the opposite direction

Approximation

Conversion formula
How to convert 18 US gallons to liters?