667 milliliters in dry gallons
Result
The conversion result is: 667 milliliters is equivalent to 0.151422837626832 dry gallons.[1]
Conversion formula
How to convert 667 milliliters to dry gallons?
We know (by definition) that: 1 ml ≈ 0.000227020746067214 drygallon.
We can set up a proportion to solve for the number of dry gallons.
1 ml / 667 ml ≈ 0.000227020746067214 drygallon / x drygallon
Now, we cross multiply to solve for our unknown x:
x drygallon ≈ (667 ml / 1 ml) * 0.000227020746067214 drygallon → x drygallon ≈ 0.15142283762683173 drygallon
Conclusion:
667 ml ≈ 0.15142283762683173 drygallon

Conversion in the opposite direction
The inverse of the conversion factor is that 1 dry gallon is equal to 6.60402364446777 times 667 milliliters.
It can also be expressed as: 667 milliliters is equal to 1 / 6.60402364446777 dry gallons.
Approximation
An approximate numerical result would be: six hundred and sixty-seven milliliters is about zero point one five dry gallons, or alternatively, a dry gallon is about six point five nine times six hundred and sixty-seven 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.