821 liters in imperial quarts
Result
The conversion result is: 821 liters is equivalent to 722.379011414204 imperial quarts.[1]
Conversion formula
How to convert 821 liters to imperial quarts?
We know (by definition) that: 1 liter ≈ 0.879876993196351 imperialquart.
We can set up a proportion to solve for the number of imperial quarts.
1 liter / 821 liter ≈ 0.879876993196351 imperialquart / x imperialquart
Now, we cross multiply to solve for our unknown x:
x imperialquart ≈ (821 liter / 1 liter) * 0.879876993196351 imperialquart → x imperialquart ≈ 722.3790114142042 imperialquart
Conclusion:
821 liter ≈ 722.3790114142042 imperialquart

Conversion in the opposite direction
The inverse of the conversion factor is that 1 imperial quart is equal to 0.00138431485992692 times 821 liters.
It can also be expressed as: 821 liters is equal to 1 / 0.00138431485992692 imperial quarts.
Approximation
An approximate numerical result would be: eight hundred and twenty-one liters is about seven hundred and twenty-two point three seven imperial quarts, or alternatively, a imperial quart is about zero times eight hundred and twenty-one liters.
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.