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 8421 gallons into cups we have to multiply 8421 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

8421 gal → V_(cup)

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

V_(cup) = 8421 gal × 16 cup

V_(cup) = 134736 cup

The final result is:

8421 gal → 134736 cup

We conclude that 8421 gallons is equivalent to 134736 cups:

8421 gallons = 134736 cups

Alternative conversion

We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 7.4219213870087E-6 × 8421 gallons.

Another way is saying that 8421 gallons is equal to 1 ÷ 7.4219213870087E-6 cups.

Approximate result

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

8421 gal ≅ 134736 cup

An alternative is also that one cup is approximately zero times eight thousand four hundred twenty-one 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