21 US dry pints in deciliters
Result
The conversion result is: 21 US dry pints is equivalent to 115.628198985075 deciliters.[1]
Conversion formula
How to convert 21 US dry pints to deciliters?
We know (by definition) that: 1 drypint ≈ 5.506104713575 dl.
We can set up a proportion to solve for the number of deciliters.
1 drypint / 21 drypint ≈ 5.506104713575 dl / x dl
Now, we cross multiply to solve for our unknown x:
x dl ≈ (21 drypint / 1 drypint) * 5.506104713575 dl → x dl ≈ 115.62819898507499 dl
Conclusion:
21 drypint ≈ 115.62819898507499 dl

Conversion in the opposite direction
The inverse of the conversion factor is that 1 deciliter is equal to 0.0086484093739891 times 21 US dry pints.
It can also be expressed as: 21 US dry pints is equal to 1 / 0.0086484093739891 deciliters.
Approximation
An approximate numerical result would be: twenty-one US dry pints is about one hundred and fifteen point six two deciliters, or alternatively, a deciliter is about zero point zero one times twenty-one US dry pints.
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.