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 421.6 cups into gallons we have to multiply 421.6 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

421.6 cup → V_(gal)

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

V_(gal) = 421.6 cup × 0.0625 gal

V_(gal) = 26.35 gal

The final result is:

421.6 cup → 26.35 gal

We conclude that 421.6 cups is equivalent to 26.35 gallons:

421.6 cups = 26.35 gallons

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 gallon is equal to 0.037950664136622 × 421.6 cups.

Another way is saying that 421.6 cups is equal to 1 ÷ 0.037950664136622 gallons.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that four hundred twenty-one point six cups is approximately twenty-six point three five gallons:

421.6 cup ≅ 26.35 gal

An alternative is also that one gallon is approximately zero point zero three eight times four hundred twenty-one 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