810 US customary teaspoons in US dry barrels
Result
The conversion result is: 810 US customary teaspoons is equivalent to 0.0345284598214286 US dry barrels.[1]
Conversion formula
How to convert 810 US customary teaspoons to US dry barrels?
We know (by definition) that: 1 usteaspoon ≈ 4.26277281746032e-05 drybarrel.
We can set up a proportion to solve for the number of US dry barrels.
1 usteaspoon / 810 usteaspoon ≈ 4.26277281746032e-05 drybarrel / x drybarrel
Now, we cross multiply to solve for our unknown x:
x drybarrel ≈ (810 usteaspoon / 1 usteaspoon) * 4.26277281746032e-05 drybarrel → x drybarrel ≈ 0.03452845982142859 drybarrel
Conclusion:
810 usteaspoon ≈ 0.03452845982142859 drybarrel

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US dry barrel is equal to 28.9616161616162 times 810 US customary teaspoons.
It can also be expressed as: 810 US customary teaspoons is equal to 1 / 28.9616161616162 US dry barrels.
Approximation
An approximate numerical result would be: eight hundred and ten US customary teaspoons is about zero point zero three US dry barrels, or alternatively, a US dry barrel is about twenty-eight point nine six times eight hundred and ten US customary teaspoons.
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.