21 dry gallons in imperial gallons

Result

The conversion result is: 21 dry gallons is equivalent to 20.3477184103394 imperial gallons.[1]

Conversion formula
How to convert 21 dry gallons to imperial gallons?

We know (by definition) that: 1 drygallon ≈ 0.968938971920925 imperialgallon.

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

1 drygallon / 21 drygallon ≈ 0.968938971920925 imperialgallon / x imperialgallon

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

x imperialgallon ≈ (21 drygallon / 1 drygallon) * 0.968938971920925 imperialgallon → x imperialgallon ≈ 20.347718410339425 imperialgallon

Conclusion:

21 drygallon ≈ 20.347718410339425 imperialgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial gallon is equal to 0.0491455592137476 times 21 dry gallons.

It can also be expressed as: 21 dry gallons is equal to 1 / 0.0491455592137476 imperial gallons.

Approximation

An approximate numerical result would be: twenty-one dry gallons is about twenty point three five imperial gallons, or alternatively, a imperial gallon is about zero point zero five times twenty-one 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.