686 milliliters in US customary cups
Conversion
686 milliliters is equivalent to 2.89955244668304 US customary cups.[1]
Conversion formula
How to convert 686 milliliters to US customary cups?
We know (by definition) that:
We can set up a proportion to solve for the number of US customary cups.
Now, we cross multiply to solve for our unknown :
Conclusion:
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US customary cup is equal to 0.34488081122449 times 686 milliliters.
It can also be expressed as: 686 milliliters is equal to US customary cups.
Approximation
An approximate numerical result would be: six hundred and eighty-six milliliters is about two point eight nine US customary cups, or alternatively, a US customary cup is about zero point three four times six hundred and eighty-six milliliters.
Footnotes
[1] The precision is 15 significant digits (fourteen digits to the right of the decimal point).
Results may contain small errors due to the use of floating point arithmetic.