How Many Cups Is 40 oz?
40 fl oz = 5 cups.
The short answer: forty fluid ounces is 5 cups, or 1¼ quarts. It is a common size for large insulated tumblers and bottles. Liquids convert at a fixed 8 fl oz per cup; for ingredients weighed in ounces, use the weight table below.
Fluid ounces to cups near 40 oz
| Fl oz | Cups | Pints | Ml |
|---|---|---|---|
| 36 fl oz | 4.5 cups (4½ cups) | 2.25 pints (2¼ pints) | 1,065 ml |
| 40 fl oz | 5 cups | 2.5 pints (2½ pints) | 1,183 ml |
| 44 fl oz | 5.5 cups (5½ cups) | 2.75 pints (2¾ pints) | 1,301 ml |
| 48 fl oz | 6 cups | 3 pints | 1,420 ml |
40 oz by weight in cups
| Ingredient | 40 oz |
|---|---|
| All-purpose flour | 9.07 cups (about 9⅛ cups) |
| Whole wheat flour | 9.45 cups (about 9½ cups) |
| Granulated sugar | 5.67 cups (about 5⅔ cups) |
| Brown sugar | 5.15 cups (about 5⅛ cups) |
| Powdered sugar | 9.45 cups (about 9½ cups) |
| Butter | 5 cups |
| Water | 4.78 cups (about 4¾ cups) |
| Milk | 4.65 cups (about 4⅔ cups) |
| Honey | 3.34 cups (about 3⅓ cups) |
| Rolled oats | 12.6 cups (about 12⅝ cups) |
| White rice | 6.13 cups (about 6⅛ cups) |
| Almonds | 7.99 cups (about 8 cups) |
Weights and volumes on this page use these grams-per-US-cup densities: all-purpose flour 125 g; whole wheat flour 120 g; granulated sugar 200 g; brown sugar 220 g; powdered sugar 120 g; butter 227 g; water 237 g; milk 244 g; honey 340 g; rolled oats 90 g; white rice 185 g; almonds 142 g. Packing, sifting and brand can shift real results by 5–15%, so weigh when a recipe depends on precision.
Common questions
How many ml are in 40 fl oz?
40 fl oz = 1,183 ml.
How many cups is 40 oz of all-purpose flour?
40 oz of all-purpose flour = 9.07 cups (about 9⅛ cups).
How many cups is 40 oz of granulated sugar?
40 oz of granulated sugar = 5.67 cups (about 5⅔ cups).
How many cups is 40 oz of butter?
40 oz of butter = 5 cups.