30 dry quarts in US dry barrels
Result
The conversion result is: 30 dry quarts is equivalent to 0.285716943027211 US dry barrels.[1]
Conversion formula
How to convert 30 dry quarts to US dry barrels?
We know (by definition) that: 1 dryquart ≈ 0.00952389810090703 drybarrel.
We can set up a proportion to solve for the number of US dry barrels.
1 dryquart / 30 dryquart ≈ 0.00952389810090703 drybarrel / x drybarrel
Now, we cross multiply to solve for our unknown x:
x drybarrel ≈ (30 dryquart / 1 dryquart) * 0.00952389810090703 drybarrel → x drybarrel ≈ 0.2857169430272109 drybarrel
Conclusion:
30 dryquart ≈ 0.2857169430272109 drybarrel

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US dry barrel is equal to 3.49996744821942 times 30 dry quarts.
It can also be expressed as: 30 dry quarts is equal to 1 / 3.49996744821942 US dry barrels.
Approximation
An approximate numerical result would be: thirty dry quarts is about zero point two eight US dry barrels, or alternatively, a US dry barrel is about three point five zero times thirty dry quarts.
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.