How Many Gallons in a Cup?
0.0625 gal
1 US cup equals 0.0625 gallon; it takes 16 cups to make 1 US gallon.
UK: 1 metric cup (250 ml) = 0.05499 imp gal
Exact: 1 cup = 0.0625 gal
Cups to Gallons conversion chart
| Cups | Gallons |
|---|---|
| one eighth cup | 0.007813 |
| one quarter cup | 0.01563 |
| one third cup | 0.02083 |
| three eighths cup | 0.02344 |
| one half cup | 0.03125 |
| five eighths cup | 0.03906 |
| two thirds cup | 0.04167 |
| three quarters cup | 0.04688 |
| seven eighths cup | 0.05469 |
| 1 cup | 0.0625 |
| 1 and one quarter cups | 0.07813 |
| 1 and one third cups | 0.08333 |
| 1 and one half cups | 0.09375 |
| 1 and two thirds cups | 0.1042 |
| 1 and three quarters cups | 0.1094 |
| 2 cups | 0.125 |
| 2 and one half cups | 0.1563 |
| 3 cups | 0.1875 |
| 4 cups | 0.25 |
| 5 cups | 0.3125 |
| 6 cups | 0.375 |
| 8 cups | 0.5 |
| 10 cups | 0.625 |
| 12 cups | 0.75 |
| 16 cups | 1 |
How to convert cups to gallons
gallons = cups ÷ 16
Example: 2 1/2 cups ÷ 16 = 0.1563 gal.
Divide the cups by 16. Three landmarks cover most kitchen jobs: 4 cups make a quarter gallon, 8 cups make a half gallon, and 12 cups make three quarters of a gallon.
For a big batch, split the total into whole gallons and leftover cups. A punch recipe that makes 20 cups comes to 1.25 gallons, which is one full gallon plus 4 cups. Doubled, it reaches 2.5 gallons, so two gallon jugs will not hold it all.
Small amounts turn into long decimals that are hard to picture. 3/4 cup is only 0.04688 gallon, so below a quart it is easier to stay in cups or use the cups to pints converter.
US vs UK cups and gallons
In the UK and Australia, a recipe cup is normally the metric cup of 250 ml. It is a little larger than the US cup, so a US gallon takes only 15.14 metric cups to fill.
The British gallon is a different size as well. The imperial gallon is exactly 4.54609 liters (litres), about 1.201 times a US gallon, and it holds 19.22 US cups. If a British recipe asks for a gallon of water or stock, measure it in liters rather than counting US cups.
| Unit | Size | Used in |
|---|---|---|
| US cup | 236.6 ml | US |
| US legal cup | 240 ml | US nutrition labels |
| metric cup | 250 ml | UK, Australia, Canada, New Zealand |
| US gallon | 3,785 ml | US |
| imperial gallon | 4,546 ml | UK |
How many gallons of drinks do you need for a party?
Work from servings. Multiply the number of guests by the cups each person will drink, then divide by 16 to see how many gallons to make.
Say 30 guests drink two cups each. That is 60 cups, or 3.75 gallons, so plan on four gallons and keep a little in reserve. If your glasses hold 12 fl oz rather than a full cup, one gallon fills 10.7 of them; the cups to ounces converter helps with other glass sizes.
Cups and gallons: questions
How many gallons is 4 cups?
4 cups equal 0.25 gallon, a quarter of a gallon. That is also one US quart, the amount in a quart carton of broth. Four of those cartons would fill a gallon jug.
How many gallons are in 10 cups?
10 cups come to 0.625 gallon. That is a half gallon plus 2 cups, so it will overflow a half-gallon pitcher. A container that holds three quarters of a gallon, which is 12 cups, gives you room to spare.
Is 32 cups equal to 2 gallons?
Yes, in US measure 32 cups make exactly 2 gallons. With metric cups of 250 ml, the same count gives 2.113 gallons, a little more than two US gallons. That gap is worth a larger container when a recipe from Australia or the UK is scaled up.
How many gallons is 6 cups?
6 cups equal 0.375 gallon, or three eighths of a gallon. In containers you already know, that is one quart plus 2 cups, the same as 3 pints. A half-gallon jug would hold it with 2 cups to spare.
How can I measure a gallon with a measuring cup?
Fill a one-cup measure 16 times and pour each cup into a large pot or jug. Mark the level with tape after every 4 cups, and you will have quart, half-gallon and three-quarter lines ready for next time.
Related conversions
Sources: Unit definitions: NIST Handbook 44 · Last reviewed · Report an error
https://howmanyounces.com/cups-to-gallons/