870 milliliters in US quarts
Result
The conversion result is: 870 milliliters is equivalent to 0.919318742206356 US quarts.[1]
Conversion formula
How to convert 870 milliliters to US quarts?
We know (by definition) that: 1 ml ≈ 0.00105668820943259 usquart.
We can set up a proportion to solve for the number of US quarts.
1 ml / 870 ml ≈ 0.00105668820943259 usquart / x usquart
Now, we cross multiply to solve for our unknown x:
x usquart ≈ (870 ml / 1 ml) * 0.00105668820943259 usquart → x usquart ≈ 0.9193187422063533 usquart
Conclusion:
870 ml ≈ 0.9193187422063533 usquart

Conversion in the opposite direction
The inverse of the conversion factor is that 1 US quart is equal to 1.08776200689655 times 870 milliliters.
It can also be expressed as: 870 milliliters is equal to 1 / 1.08776200689655 US quarts.
Approximation
An approximate numerical result would be: eight hundred and seventy milliliters is about zero point nine two US quarts, or alternatively, a US quart is about one point zero nine times eight hundred and seventy milliliters.
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.