640 metric teaspoons in US quarts
Result
The conversion result is: 640 metric teaspoons is equivalent to 3.3814022701843 US quarts.[1]
Conversion formula
How to convert 640 metric teaspoons to US quarts?
We know (by definition) that: 1 brteaspoon ≈ 0.00528344104716297 usquart.
We can set up a proportion to solve for the number of US quarts.
1 brteaspoon / 640 brteaspoon ≈ 0.00528344104716297 usquart / x usquart
Now, we cross multiply to solve for our unknown x:
x usquart ≈ (640 brteaspoon / 1 brteaspoon) * 0.00528344104716297 usquart → x usquart ≈ 3.381402270184301 usquart
Conclusion:
640 brteaspoon ≈ 3.381402270184301 usquart
Conversion in the opposite direction
The inverse of the conversion factor is that 1 US quart is equal to 0.295735295625 times 640 metric teaspoons.
It can also be expressed as: 640 metric teaspoons is equal to 1 / 0.295735295625 US quarts.
Approximation
An approximate numerical result would be: six hundred and forty metric teaspoons is about three point three seven US quarts, or alternatively, a US quart is about zero point three zero times six hundred and forty metric 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.