21 centiliters in US customary teaspoons

Conversion formula
How to convert 21 centiliters to US customary teaspoons?

We know (by definition) that: $1\mathrm{centiliter}\approx 2.02884136211058\mathrm{usteaspoon}$

We can set up a proportion to solve for the number of US customary teaspoons.

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

Conclusion: 21 ⁢ centiliter ≈ 42.60566860432218 ⁢ usteaspoon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary teaspoon is equal to 0.0234710552083333 times 21 centiliters.

It can also be expressed as: 21 centiliters is equal to $\frac{1}{\mathrm{0.0234710552083333}}$ US customary teaspoons.

Approximation

An approximate numerical result would be: twenty-one centiliters is about forty-two point six zero US customary teaspoons, or alternatively, a US customary teaspoon is about zero point zero two times twenty-one centiliters.