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2/3 Cup to Grams Converter & Chart (Flour, Sugar, Butter)
Two-thirds of a US cup (2/3 cup) equals 80 grams of all-purpose flour, 133.3 grams of granulated white sugar, 146.7 grams of packed brown sugar, and 151.3 grams of butter (about 1.33 sticks or 10.67 tablespoons). For liquids like milk or water, 2/3 cup equals 160 grams (160 ml or roughly 5.33 fluid ounces). Because 2/3 cup is one of the most frequently required fractions in cake and pastry recipes, converting it directly into exact grams prevents under-hydration and tough doughs. Use our interactive calculator and complete conversion tables below.
2/3 Cup to Grams Instant Calculator
Converted Weight (2/3 Cup equivalent):
80 grams (g)
Related Measurement Tools:
Master Grams to Cups
Cups to Grams Reverse Hub
3/4 Cup to Grams
Flour Grams to Cups
Sugar Grams to Cups
Butter to Cups & Sticks
Grams to Tablespoons
2/3 Cup to Grams Master Conversion Table
The table below provides exact gram, ounce, and kitchen equivalents for 2/3 US customary cup across primary baking ingredients:
| Baking Ingredient | 2/3 Cup (Grams) | Ounces (oz) | Tablespoons (tbsp) | Kitchen Practical Measure |
|---|---|---|---|---|
| All-Purpose Flour | 80 g | 2.82 oz | 10.7 tbsp | 1/3 cup twice (spooned) |
| Granulated White Sugar | 133.3 g | 4.70 oz | 10.7 tbsp | 1/2 cup + 2 tablespoons + 2 tsp |
| Brown Sugar (Packed) | 146.7 g | 5.17 oz | 10.7 tbsp | 1/2 cup + 2.5 tbsp packed |
| Powdered / Confectioners’ Sugar | 80 g | 2.82 oz | 10.7 tbsp | Sifted powder measure |
| Butter (Salted / Unsalted) | 151.3 g | 5.34 oz | 10.7 tbsp | 1 stick + 2.67 tablespoons |
| Rolled Oats (Old-Fashioned) | 60 g | 2.12 oz | 10.7 tbsp | Exactly 60 grams dry flakes |
| Cocoa Powder (Unsweetened) | 56.7 g | 2.00 oz | 10.7 tbsp | Exactly 2 dry weight ounces |
| Water / Whole Milk | 160 g (160 ml) | 5.41 fl oz | 10.7 tbsp | Exact liquid measure |
| Greek Yogurt | 163.3 g | 5.76 oz | 10.7 tbsp | Roughly one 5.3 oz tub |
| Cream Cheese | 150 g | 5.29 oz | 10.7 tbsp | 2/3 of an 8 oz brick |
| Honey / Molasses | 226.7 g | 8.00 oz | 10.7 tbsp | Half a pound (8 oz) syrup |
| Almond Flour | 64 g | 2.26 oz | 10.7 tbsp | Unpacked nut meal |
How to Measure 2/3 Cup Without a 2/3 Measuring Cup
If your measuring cup set lacks a 2/3 cup size, use one of these simple kitchen substitutions:
- Use 1/3 cup twice: Fill your 1/3 cup measure two times (1/3 + 1/3 = 2/3). This is the most accurate visual method.
- Use tablespoons: 2/3 US cup equals 10 level tablespoons plus 2 teaspoons (10.67 tablespoons).
- Subtract from 1 cup: Fill a 1-cup measure and remove 5 tablespoons plus 1 teaspoon (or 1/3 cup).
- Liquid volume: Measure to 160 ml (5.33 fl oz) on a liquid measuring pitcher.
Frequently Asked Questions About Converting 2/3 Cup to Grams
How many grams is 2/3 cup of all-purpose flour?
2/3 US cup of all-purpose flour weighs 80 grams (2.82 oz or roughly 10.7 tablespoons) when measured using the spoon-and-level technique.
How many grams is 2/3 cup of granulated sugar?
2/3 US cup of granulated white sugar weighs 133.3 grams (4.7 oz).
How many tablespoons is 2/3 cup of butter?
2/3 cup of butter equals 10 and 2/3 tablespoons (10.67 tbsp), which weighs 151.3 grams (5.34 ounces or about 1 1/3 US sticks).
How many grams is 2/3 cup of rolled oats?
2/3 US cup of rolled oats weighs 60 grams (2.12 oz).