Conversion formula

The conversion factor from gallons to cups is 16, which means that 1 gallon is equal to 16 cups:

1 gal = 16 cup

To convert 66.5 gallons into cups we have to multiply 66.5 by the conversion factor in order to get the volume amount from gallons to cups. We can also form a simple proportion to calculate the result:

1 gal → 16 cup

66.5 gal → V_(cup)

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

V_(cup) = 66.5 gal × 16 cup

V_(cup) = 1064 cup

The final result is:

66.5 gal → 1064 cup

We conclude that 66.5 gallons is equivalent to 1064 cups:

66.5 gallons = 1064 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.00093984962406015 × 66.5 gallons.

Another way is saying that 66.5 gallons is equal to 1 ÷ 0.00093984962406015 cups.

Approximate result

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

66.5 gal ≅ 1064 cup

An alternative is also that one cup is approximately zero point zero zero one times sixty-six point five gallons.

Conversion table

gallons to cups chart

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