21 liters in dry gallons
Result
The conversion result is: 21 liters is equivalent to 4.76743566741149 dry gallons.[1]
Conversion formula
How to convert 21 liters to dry gallons?
We know (by definition) that: 1 liter ≈ 0.227020746067214 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 liter / 21 liter ≈ 0.227020746067214 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (21 liter / 1 liter) * 0.227020746067214 drygallon → x drygallon ≈ 4.767435667411494 drygallon
Conclusion:
21 liter ≈ 4.767435667411494 drygallon
Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 0.209756370040952 times 21 liters.
It can also be expressed as: 21 liters is equal to 1 / 0.209756370040952 dry gallons.
Approximation
An approximate numerical result would be: twenty-one liters is about four point seven six dry gallons, or alternatively, a dry gallon is about zero point two one times twenty-one liters.
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.