Conversion formula

The conversion factor from cubic centimeters to gallons is 0.00026417205124156, which means that 1 cubic centimeter is equal to 0.00026417205124156 gallons:

1 cm3 = 0.00026417205124156 gal

To convert 642 cubic centimeters into gallons we have to multiply 642 by the conversion factor in order to get the volume amount from cubic centimeters to gallons. We can also form a simple proportion to calculate the result:

1 cm3 → 0.00026417205124156 gal

642 cm3 → V_(gal)

Solve the above proportion to obtain the volume V in gallons:

V_(gal) = 642 cm3 × 0.00026417205124156 gal

V_(gal) = 0.16959845689708 gal

The final result is:

642 cm3 → 0.16959845689708 gal

We conclude that 642 cubic centimeters is equivalent to 0.16959845689708 gallons:

642 cubic centimeters = 0.16959845689708 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 5.8962800623053 × 642 cubic centimeters.

Another way is saying that 642 cubic centimeters is equal to 1 ÷ 5.8962800623053 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that six hundred forty-two cubic centimeters is approximately zero point one seven gallons:

642 cm3 ≅ 0.17 gal

An alternative is also that one gallon is approximately five point eight nine six times six hundred forty-two cubic centimeters.

Conversion table

cubic centimeters to gallons chart

For quick reference purposes, below is the conversion table you can use to convert from cubic centimeters to gallons