Conversion formula

The conversion factor from cups to gallons is 0.0625, which means that 1 cup is equal to 0.0625 gallons:

1 cup = 0.0625 gal

To convert 20.6 cups into gallons we have to multiply 20.6 by the conversion factor in order to get the volume amount from cups to gallons. We can also form a simple proportion to calculate the result:

1 cup → 0.0625 gal

20.6 cup → V_(gal)

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

V_(gal) = 20.6 cup × 0.0625 gal

V_(gal) = 1.2875 gal

The final result is:

20.6 cup → 1.2875 gal

We conclude that 20.6 cups is equivalent to 1.2875 gallons:

20.6 cups = 1.2875 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.77669902912621 × 20.6 cups.

Another way is saying that 20.6 cups is equal to 1 ÷ 0.77669902912621 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that twenty point six cups is approximately one point two eight eight gallons:

20.6 cup ≅ 1.288 gal

An alternative is also that one gallon is approximately zero point seven seven seven times twenty point six cups.

Conversion table

cups to gallons chart

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