640 metric teaspoons in imperial cups

Conversion formula
How to convert 640 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: 640 ⁢ brteaspoon ≈ 11.262425512913282 ⁢ brcup

Conversion in the opposite direction

The inverse of the conversion factor is that 1 imperial cup is equal to 0.0887908203125 times 640 metric teaspoons.

It can also be expressed as: 640 metric teaspoons is equal to $\frac{1}{\mathrm{0.0887908203125}}$ imperial cups.

Approximation

An approximate numerical result would be: six hundred and forty metric teaspoons is about eleven point two five imperial cups, or alternatively, a imperial cup is about zero point zero nine times six hundred and forty metric teaspoons.