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 688 cubic centimeters into gallons we have to multiply 688 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

688 cm3 → V_(gal)

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

V_(gal) = 688 cm3 × 0.00026417205124156 gal

V_(gal) = 0.18175037125419 gal

The final result is:

688 cm3 → 0.18175037125419 gal

We conclude that 688 cubic centimeters is equivalent to 0.18175037125419 gallons:

688 cubic centimeters = 0.18175037125419 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 5.5020520348837 × 688 cubic centimeters.

Another way is saying that 688 cubic centimeters is equal to 1 ÷ 5.5020520348837 gallons.

Approximate result

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

688 cm3 ≅ 0.182 gal

An alternative is also that one gallon is approximately five point five zero two times six hundred eighty-eight 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