21 centiliters in dry gallons

Conversion formula
How to convert 21 centiliters to dry gallons?

We know (by definition) that: $1\mathrm{centiliter}\approx 0.00227020746067214\mathrm{drygallon}$

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

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

Conclusion: 21 ⁢ centiliter ≈ 0.04767435667411494 ⁢ drygallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 dry gallon is equal to 20.9756370040952 times 21 centiliters.

It can also be expressed as: 21 centiliters is equal to $\frac{1}{\mathrm{20.9756370040952}}$ dry gallons.

Approximation

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