What Is Double ⅔ Cup?
Double ⅔ cup is 1⅓ cups.
Measure it as: 1 cup + 1/3 cup
How to measure 1⅓ cups
- With standard cups & spoons: 1 cup + 1/3 cup
- By volume: 315 ml, or 10.67 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: ⅔ cup is 10⅔ tablespoons. Take double of that and you get 21⅓ tablespoons, which is 1⅓ cups. Scaling up is forgiving for most ingredients — but see the FAQ below for the ones that aren't.
1⅓ cups in grams
Volume-to-weight depends on the ingredient — a cup of flour weighs far less than a cup of honey. For 1⅓ cups:
| Ingredient | 1⅓ cups weighs about |
|---|---|
| All-purpose flour | 160 g |
| Granulated sugar | 267 g |
| Brown sugar (packed) | 293 g |
| Powdered sugar | 160 g |
| Butter | 303 g |
| Milk | 320 g |
| Water | 316 g |
| Vegetable oil | 291 g |
| Honey | 453 g |
Recipe Doubling Chart: nearby amounts
| Original | Double | Measure it as |
|---|---|---|
| ⅜ cup | ¾ cup | 3/4 cup |
| ½ cup | 1 cup | 1 cup |
| ⅝ cup | 1¼ cups | 1 cup + 1/4 cup |
| ⅔ cup | 1⅓ cups | 1 cup + 1/3 cup |
| ¾ cup | 1½ cups | 1 cup + 1/2 cup |
| ⅞ cup | 1¾ cups | 1 cup + 3/4 cup |
| 1 cup | 2 cups | 2 cups |
See the full recipe doubling chart →
Frequently asked questions
What is double ⅔ cup in milliliters?
Double ⅔ cup is about 315 ml (10.67 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.