421 metric teaspoons in US customary cups
Result
The conversion result is: 421 metric teaspoons is equivalent to 8.89731472342244 US customary cups.[1]
Conversion formula
How to convert 421 metric teaspoons to US customary cups?
We know (by definition) that: 1 brteaspoon ≈ 0.0211337641886519 uscup.
We can set up a proportion to solve for the number of US customary cups.
1 brteaspoon / 421 brteaspoon ≈ 0.0211337641886519 uscup / x uscup
Now, we cross multiply to solve for our unknown x:
x uscup ≈ (421 brteaspoon / 1 brteaspoon) * 0.0211337641886519 uscup → x uscup ≈ 8.897314723422449 uscup
Conclusion:
421 brteaspoon ≈ 8.897314723422449 uscup
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.11239346152019 times 421 metric teaspoons.
It can also be expressed as: 421 metric teaspoons is equal to 1 / 0.11239346152019 US customary cups.
Approximation
An approximate numerical result would be: four hundred and twenty-one metric teaspoons is about eight point nine zero US customary cups, or alternatively, a US customary cup is about zero point one one times four hundred and twenty-one metric teaspoons.
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.