What Is Double 1⅓ Cups?
Double 1⅓ cups is 2⅔ cups.
Measure it as: 2 cups + 2/3 cup
How to measure 2⅔ cups
- With standard cups & spoons: 2 cups + 2/3 cup
- By volume: 631 ml, or 21.33 fluid ounces — handy if you have a measuring jug.
- By weight (most accurate): see the gram table below for common ingredients.
Here's the math: 1⅓ cups is 21⅓ tablespoons. Take double of that and you get 42⅔ tablespoons, which is 2⅔ cups. Scaling up is forgiving for most ingredients — but see the FAQ below for the ones that aren't.
2⅔ cups in grams
Volume-to-weight depends on the ingredient — a cup of flour weighs far less than a cup of honey. For 2⅔ cups:
| Ingredient | 2⅔ cups weighs about |
|---|---|
| All-purpose flour | 320 g |
| Granulated sugar | 533 g |
| Brown sugar (packed) | 587 g |
| Powdered sugar | 320 g |
| Butter | 605 g |
| Milk | 640 g |
| Water | 632 g |
| Vegetable oil | 581 g |
| Honey | 907 g |
Recipe Doubling Chart: nearby amounts
| Original | Double | Measure it as |
|---|---|---|
| ⅞ cup | 1¾ cups | 1 cup + 3/4 cup |
| 1 cup | 2 cups | 2 cups |
| 1¼ cups | 2½ cups | 2 cups + 1/2 cup |
| 1⅓ cups | 2⅔ cups | 2 cups + 2/3 cup |
| 1½ cups | 3 cups | 3 cups |
| 1⅔ cups | 3⅓ cups | 3 cups + 1/3 cup |
| 1¾ cups | 3½ cups | 3 cups + 1/2 cup |
See the full recipe doubling chart →
Frequently asked questions
What is double 1⅓ cups in milliliters?
Double 1⅓ cups is about 631 ml (21.33 fl oz).
Anything to watch out for when doubling a recipe?
Most ingredients scale straight across, but baking powder, baking soda, salt, and strong spices are best scaled to about ¾ of the multiplied amount, then adjusted to taste. Cooking and baking times also increase less than you'd expect — check early.