Unit Converter
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 21 gallons into cups we have to multiply 21 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
21 gal → V(cup)
Solve the above proportion to obtain the volume V in cups:
V(cup) = 21 gal × 16 cup
V(cup) = 336 cup
The final result is:
21 gal → 336 cup
We conclude that 21 gallons is equivalent to 336 cups:
21 gallons = 336 cups
Alternative conversion
We can also convert by utilizing the inverse value of the conversion factor. In this case 1 cup is equal to 0.0029761904761905 × 21 gallons.
Another way is saying that 21 gallons is equal to 1 ÷ 0.0029761904761905 cups.
Approximate result
For practical purposes we can round our final result to an approximate numerical value. We can say that twenty-one gallons is approximately three hundred thirty-six cups:
21 gal ≅ 336 cup
An alternative is also that one cup is approximately zero point zero zero three times 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
gallons (gal) | cups (cup) |
---|---|
22 gallons | 352 cups |
23 gallons | 368 cups |
24 gallons | 384 cups |
25 gallons | 400 cups |
26 gallons | 416 cups |
27 gallons | 432 cups |
28 gallons | 448 cups |
29 gallons | 464 cups |
30 gallons | 480 cups |
31 gallons | 496 cups |