424 centiliters in US customary cups
Result
The conversion result is: 424 centiliters is equivalent to 17.9214320319768 US customary cups.[1]
Conversion formula
How to convert 424 centiliters to US customary cups?
We know (by definition) that: 1 centiliter ≈ 0.0422675283773037 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 centiliter / 424 centiliter ≈ 0.0422675283773037 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (424 centiliter / 1 centiliter) * 0.0422675283773037 uscup → x uscup ≈ 17.92143203197677 uscup
Conclusion:
424 centiliter ≈ 17.92143203197677 uscup

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.0557991123820755 times 424 centiliters.
It can also be expressed as: 424 centiliters is equal to 1 / 0.0557991123820755 US customary cups.
Approximation
An approximate numerical result would be: four hundred and twenty-four centiliters is about seventeen point nine two US customary cups, or alternatively, a US customary cup is about zero point zero six times four hundred and twenty-four centiliters.
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.