685 centiliters in US gallons

Conversion formula
How to convert 685 centiliters to US gallons?

We know (by definition) that: $1\mathrm{centiliter}\approx 0.00264172052358148\mathrm{usgallon}$

We can set up a proportion to solve for the number of US gallons.

Now, we cross multiply to solve for our unknown $x$:

Conclusion: 685 ⁢ centiliter ≈ 1.8095785586533137 ⁢ usgallon

Conversion in the opposite direction

The inverse of the conversion factor is that 1 US gallon is equal to 0.552614858978102 times 685 centiliters.

It can also be expressed as: 685 centiliters is equal to $\frac{1}{\mathrm{0.552614858978102}}$ US gallons.

Approximation

An approximate numerical result would be: six hundred and eighty-five centiliters is about one point eight one US gallons, or alternatively, a US gallon is about zero point five five times six hundred and eighty-five centiliters.