13 metric teaspoons in US customary cups

Conversion formula
How to convert 13 metric teaspoons to US customary cups?

We know (by definition) that: $1\mathrm{brteaspoon}\approx 0.0211337641886519\mathrm{uscup}$

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

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

Conclusion: 13 ⁢ brteaspoon ≈ 0.27473893445247466 ⁢ uscup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary cup is equal to 3.63981902307692 times 13 metric teaspoons.

It can also be expressed as: 13 metric teaspoons is equal to $\frac{1}{\mathrm{3.63981902307692}}$ US customary cups.

Approximation

An approximate numerical result would be: thirteen metric teaspoons is about zero point two seven US customary cups, or alternatively, a US customary cup is about three point six four times thirteen metric teaspoons.