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 390 gallons into cups we have to multiply 390 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

390 gal → V_(cup)

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

V_(cup) = 390 gal × 16 cup

V_(cup) = 6240 cup

The final result is:

390 gal → 6240 cup

We conclude that 390 gallons is equivalent to 6240 cups:

390 gallons = 6240 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.00016025641025641 × 390 gallons.

Another way is saying that 390 gallons is equal to 1 ÷ 0.00016025641025641 cups.

Approximate result

For practical purposes we can round our final result to an approximate numerical value. We can say that three hundred ninety gallons is approximately six thousand two hundred forty cups:

390 gal ≅ 6240 cup

An alternative is also that one cup is approximately zero times three hundred ninety 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