18 imperial gallons in liters

Conversion

18 imperial gallons is equivalent to 81.82962 liters.^[1]

Conversion formula
How to convert 18 imperial gallons to liters?

We know (by definition) that: $1 imperialgallon \approx 4.54609 liter$

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

\frac{1 imperialgallon}{18 imperialgallon} \approx \frac{4.54609 liter}{x liter}

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

x liter \approx \frac{18 imperialgallon}{1 imperialgallon} * 4.54609 liter \to x liter \approx 81.82962 liter

Conclusion: $18 imperialgallon \approx 81.82962 liter$

18 imperial gallons is equivalent to 81.82962 liters

Conversion in the opposite direction

The inverse of the conversion factor is that 1 liter is equal to 0.0122205137943938 times 18 imperial gallons.

It can also be expressed as: 18 imperial gallons is equal to $\frac{1}{0.0122205137943938}$ liters.

Approximation

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

Units involved

This is how the units in this conversion are defined:

Imperial Gallons

"The imperial (UK) gallon, now defined as exactly 4.54609 litres (about 277.42 cubic inches), is used in some Commonwealth countries and was originally based on the volume of 10 pounds (approximately 4.54 kg) of water at 62 °F (17 °C). The imperial fluid ounce is defined as 1⁄160 of an imperial gallon; there are four quarts in a gallon, two pints in a quart, and 20 Imperial fluid ounces in an imperial pint."

Wikipedia page of imperial 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 imperial gallons to liters?

Conversion in the opposite direction

Approximation

Conversion formula
How to convert 18 imperial gallons to liters?