4 metric teaspoons in US customary teaspoons

Conversion formula
How to convert 4 metric teaspoons to US customary teaspoons?

We know (by definition) that: $1\mathrm{brteaspoon}\approx 1.01442068105529\mathrm{usteaspoon}$

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: 4 ⁢ brteaspoon ≈ 4.05768272422116 ⁢ usteaspoon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US customary teaspoon is equal to 0.2464460796875 times 4 metric teaspoons.

It can also be expressed as: 4 metric teaspoons is equal to $\frac{1}{\mathrm{0.2464460796875}}$ US customary teaspoons.

Approximation

An approximate numerical result would be: four metric teaspoons is about four point zero five US customary teaspoons, or alternatively, a US customary teaspoon is about zero point two five times four metric teaspoons.