664 imperial cups in US quarts

Conversion formula
How to convert 664 imperial cups to US quarts?

We know (by definition) that: $1\mathrm{brcup}\approx 0.300237481376214\mathrm{usquart}$

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

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

Conclusion: 664 ⁢ brcup ≈ 199.35768763380608 ⁢ usquart

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US quart is equal to 0.00501610954595776 times 664 imperial cups.

It can also be expressed as: 664 imperial cups is equal to $\frac{1}{\mathrm{0.00501610954595776}}$ US quarts.

Approximation

An approximate numerical result would be: six hundred and sixty-four imperial cups is about one hundred and ninety-nine point three six US quarts, or alternatively, a US quart is about zero point zero one times six hundred and sixty-four imperial cups.