21 imperial gallons in dry gallons

Result

The conversion result is: 21 imperial gallons is equivalent to 21.6731916132627 dry gallons.[1]

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

We know (by definition) that: 1 imperialgallon ≈ 1.0320567434887 drygallon.

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

1 imperialgallon / 21 imperialgallon ≈ 1.0320567434887 drygallon / x drygallon

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

x drygallon ≈ (21 imperialgallon / 1 imperialgallon) * 1.0320567434887 drygallon → x drygallon ≈ 21.673191613262702 drygallon

Conclusion:

21 imperialgallon ≈ 21.673191613262702 drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 0.0461399510438536 times 21 imperial gallons.

It can also be expressed as: 21 imperial gallons is equal to 1 / 0.0461399510438536 dry gallons.

Approximation

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