21 deciliters in US customary teaspoons

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

We know (by definition) that: $1\mathrm{dl}\approx 20.2884136211058\mathrm{usteaspoon}$

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 ⁢ dl ≈ 426.0566860432218 ⁢ usteaspoon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary teaspoon is equal to 0.00234710552083333 times 21 deciliters.

It can also be expressed as: 21 deciliters is equal to $\frac{1}{\mathrm{0.00234710552083333}}$ US customary teaspoons.

Approximation

An approximate numerical result would be: twenty-one deciliters is about four hundred and twenty-six point zero six US customary teaspoons, or alternatively, a US customary teaspoon is about zero times twenty-one deciliters.