390 metric teaspoons in imperial cups

Conversion formula
How to convert 390 metric teaspoons to imperial cups?

We know (by definition) that: $1\mathrm{brteaspoon}\approx 0.017597539863927\mathrm{brcup}$

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

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

Conclusion: 390 ⁢ brteaspoon ≈ 6.863040546931531 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.145708012820513 times 390 metric teaspoons.

It can also be expressed as: 390 metric teaspoons is equal to $\frac{1}{\mathrm{0.145708012820513}}$ imperial cups.

Approximation

An approximate numerical result would be: three hundred and ninety metric teaspoons is about six point eight six imperial cups, or alternatively, a imperial cup is about zero point one five times three hundred and ninety metric teaspoons.