How to Measure 2/3 Cup When There’s No Cup Available

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Easy substitutions & conversions to streamline your baking

7 Recipe Ratings | Success Stories

Co-authored by Lisa Britten and Janice Tieperman

Last Updated: October 4, 2024 Fact Checked

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Measurement Conversions & Equivalents

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Alternate Ways to Measure

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Best Measuring Practices

Baking is all fun and games until the dreaded ²/₃ cup measurement makes an appearance in your recipe. Here’s the thing, though… you don’t have a ²/₃ measuring cup on hand. Thankfully, there are plenty of ways to accurately improvise in the kitchen—and we’re here to show you how. Read on to learn how to measure both dry and wet ingredients accurately, as well as some common ingredient conversions you might need for your recipes.

Things You Should Know

Measure out dry ingredients using a ¹/₃ measuring cup twice. For liquid ingredients, use a liquid measuring cup.
A ²/₃ cup is equal to exactly 10 tablespoons and 2 teaspoons, or a ¹/₂ cup, 2 tablespoons, and 2 teaspoons.
Place your dry ingredients on a kitchen scale to get precise measurements for your recipes.

Section 1 of 3:

Measurement Conversions & Equivalents

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If your measuring cup set doesn’t come with a separate ²/₃ cup, simply measure out your dry ingredients into a ¹/₃ cup two times instead. If you only have ¹/₂ cup on hand, measure that out along with 2 tablespoons and 2 teaspoons of your dry ingredient.^{[1]
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Only have measuring spoons on hand? Use your spoons to scoop out 10 tablespoons and 2 teaspoons of your chosen dry or liquid ingredient, which is equivalent to ²/₃ of a cup^{[2]
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Section 2 of 3:

Alternate Ways to Measure

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Get precise dry measurements using a digital kitchen scale. Set your bowl on your kitchen scale first—most scales come with a zero button (sometimes listed as tare), which factors in how much the bowl weighs. Press this button to cancel out the bowl’s weight on the scale; then, scoop your dry ingredients into the bowl until you reach the correct weight.^{[3]
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Common ⅔ Cup Ingredient Conversions
Ingredient	Grams	Ounces
Butter	152 g	5.3 oz
Flour	85 g	3 oz
Bread flour	90 g	3.2 oz
Buckwheat flour	80 g	2.83 oz
Almond flour	64 g	2.25 oz
White sugar	134 g	4.73 oz
Packed brown sugar	146 g	5.16 oz
Yellow cornmeal	104 g	3.6 oz
Panko bread crumbs	33.3 g	1.16 oz
Chocolate chips	113.3 g	4 oz
Oats	56 g	2 oz
Peanut butter	180 g	6.3 oz
Honey/molasses	227 g	8 oz
Rice	132 g	4.6 oz

Section 3 of 3:

Best Measuring Practices

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Spoon dry ingredients into a measuring cup and level off the excess. Transfer the ingredient into your measuring cup with the spoon until the cup is overflowing. Then, level off the top of the cup using a flat utensil, like the back end of a butter knife.^{[4]
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- Spooning dry ingredients (especially flour) helps ensure that you get a more accurate weight.
Measuring ingredients like chocolate chips or vegetables? Give the cup a good rattle so all of the ingredients settle evenly at the bottom. It’s pretty tough to get an exact measurement with these types of ingredients, so just do the best that you can!
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Grab a liquid measuring cup to measure liquid ingredients. Set your measuring cup on a sturdy surface, like a table or countertop. Then, squat down so you’re at eye-level with the cup and carefully pour the ingredient in. Once the base of the meniscus (the curved surface of the liquid) lines up with the ⅔ cup line, you’re good to go.^{[5]
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- Using metric measurements? Fill the measuring cup to around 160 mL instead.