640 imperial gallons in dry gallons

Conversion

640 imperial gallons is equivalent to 660.516315832769 dry gallons.^[1]

Conversion formula
How to convert 640 imperial gallons to dry gallons?

We know (by definition) that: $1 imperialgallon \approx 1.0320567434887 drygallon$

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

\frac{1 imperialgallon}{640 imperialgallon} \approx \frac{1.0320567434887 drygallon}{x drygallon}

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

x drygallon \approx \frac{640 imperialgallon}{1 imperialgallon} * 1.0320567434887 drygallon \to x drygallon \approx 660.516315832768 drygallon

Conclusion: $640 imperialgallon \approx 660.516315832768 drygallon$

640 imperial gallons is equivalent to 660.516315832769 dry gallons

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.00151396714362645 times 640 imperial gallons.

It can also be expressed as: 640 imperial gallons is equal to $\frac{1}{0.00151396714362645}$ dry gallons.

Approximation

An approximate numerical result would be: six hundred and forty imperial gallons is about six hundred and sixty point five one dry gallons, or alternatively, a dry gallon is about zero times six hundred and forty 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

Dry Gallons

"The dry gallon, also known as the corn gallon, was used in the United States until recently for grain and other dry commodities. It is one eighth of the Winchester bushel, originally a cylindrical measure of 18.5 inches in diameter and 8 inches in depth."

Wikipedia page of dry gallons

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 640 imperial gallons to dry gallons?

Conversion in the opposite direction

Approximation

Conversion formula
How to convert 640 imperial gallons to dry gallons?