21 deciliters in dry gallons
Result
The conversion result is: 21 deciliters is equivalent to 0.476743566741149 dry gallons.[1]
Conversion formula
How to convert 21 deciliters to dry gallons?
We know (by definition) that: 1 dl ≈ 0.0227020746067214 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 dl / 21 dl ≈ 0.0227020746067214 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (21 dl / 1 dl) * 0.0227020746067214 drygallon → x drygallon ≈ 0.4767435667411494 drygallon
Conclusion:
21 dl ≈ 0.4767435667411494 drygallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 2.09756370040952 times 21 deciliters.
It can also be expressed as: 21 deciliters is equal to 1 / 2.09756370040952 dry gallons.
Approximation
An approximate numerical result would be: twenty-one deciliters is about zero point four eight dry gallons, or alternatively, a dry gallon is about two point one zero times twenty-one deciliters.
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.