How to convert 690 US dry barrels to imperial quarts?
We know (by definition) that:
We can set up a proportion to solve for the number of imperial quarts.
Now, we cross multiply to solve for our unknown :
Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial quart is equal to 1.4245222114986e-05 times 690 US dry barrels.
It can also be expressed as: 690 US dry barrels is equal to imperial quarts.
An approximate numerical result would be: six hundred and ninety US dry barrels is about seventy thousand, one hundred and ninety-eight point nine seven imperial quarts, or alternatively, a imperial quart is about zero times six hundred and ninety US dry barrels.
 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.