21 US gallons in dry quarts
Result
The conversion result is: 21 US gallons is equivalent to 72.1868286195255 dry quarts.[1]
Conversion formula
How to convert 21 US gallons to dry quarts?
We know (by definition) that: 1 usgallon ≈ 3.43746802950121 dryquart.
We can set up a proportion to solve for the number of dry quarts.
1 usgallon / 21 usgallon ≈ 3.43746802950121 dryquart / x dryquart
Now, we cross multiply to solve for our unknown x:
x dryquart ≈ (21 usgallon / 1 usgallon) * 3.43746802950121 dryquart → x dryquart ≈ 72.18682861952541 dryquart
Conclusion:
21 usgallon ≈ 72.18682861952541 dryquart
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Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry quart is equal to 0.0138529426922284 times 21 US gallons.
It can also be expressed as: 21 US gallons is equal to 1 / 0.0138529426922284 dry quarts.
Approximation
An approximate numerical result would be: twenty-one US gallons is about seventy-two point one eight dry quarts, or alternatively, a dry quart is about zero point zero one times twenty-one US 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.