21 imperial pints in US quarts
Result
The conversion result is: 21 imperial pints is equivalent to 12.609974217801 US quarts.[1]
Conversion formula
How to convert 21 imperial pints to US quarts?
We know (by definition) that: 1 imperialpint ≈ 0.600474962752428 usquart.
We can set up a proportion to solve for the number of US quarts.
1 imperialpint / 21 imperialpint ≈ 0.600474962752428 usquart / x usquart
Now, we cross multiply to solve for our unknown x:
x usquart ≈ (21 imperialpint / 1 imperialpint) * 0.600474962752428 usquart → x usquart ≈ 12.609974217800987 usquart
Conclusion:
21 imperialpint ≈ 12.609974217800987 usquart
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Conversion in the opposite direction
The inverse of the conversion factor is that 1 US quart is equal to 0.0793023032979989 times 21 imperial pints.
It can also be expressed as: 21 imperial pints is equal to 1 / 0.0793023032979989 US quarts.
Approximation
An approximate numerical result would be: twenty-one imperial pints is about twelve point six zero US quarts, or alternatively, a US quart is about zero point zero eight times twenty-one imperial 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.