One-Third Cup of Cocoa Powder (unsweetened) in Grams
1/3 cup of cocoa powder (unsweetened) weighs 33.33g (1.18 oz, 80ml) according to USDA FoodData Central (1 cup cocoa powder (unsweetened) = 100g, spooned and leveled method). 1/3 cup = 0.3333 of a full cup (240ml). See the full conversion table below for all amounts from 1 tablespoon to 3 cups.
Cocoa Powder (unsweetened) Cup-to-Gram Conversion Table
Full range from 1 tablespoon to 3 cups. The highlighted row shows 1/3 cup.
| Amount | Grams |
|---|---|
| 1 tbsp | 6.25g |
| 2 tbsp | 12.5g |
| 1/8 cup | 12.5g |
| 1/4 cup | 25g |
| 1/3 cupthis page | 33.33g |
| 1/2 cup | 50g |
| 2/3 cup | 66.67g |
| 3/4 cup | 75g |
| 1 cup | 100g |
| 1 1/4 cups | 125g |
| 1 1/2 cups | 150g |
| 1 3/4 cups | 175g |
| 2 cups | 200g |
| 2 1/2 cups | 250g |
| 3 cups | 300g |
Source: USDA FoodData Central (FDC ID: 19165). 1 US cup = 240ml. Values use spooned-and-leveled method.
1/3 Cup of Different Ingredients — Weight Comparison
1/3 cup of different ingredients varies widely in weight because each has a different density. This matters when substituting ingredients in recipes.
| Ingredient | 1/3 Cup (g) |
|---|---|
| Cocoa Powder (unsweetened)current | 33.33g |
| Tapioca Flour (Starch) | 40g |
| Cornstarch | 42.67g |
| Arrowroot Powder | 42.67g |
All values use USDA FoodData Central spooned-and-leveled method. Click any ingredient to see its full conversion table.
Measuring Cocoa Powder (unsweetened) Accurately
Why weight matters: 1/3 cup of cocoa powder (unsweetened) can weigh anywhere from 28g to 40g depending on how you measure it. The USDA standard is 33.33g (spooned and leveled). Scooping directly from the container can add 10–20% extra weight, which affects recipe results — especially in baking.
About cocoa powder (unsweetened) density: Unsweetened cocoa powder is very light. 1 cup = 100g (spooned and leveled). Dutch-process and natural cocoa weigh the same. Always sift before using. 1/4 cup cocoa + 1/2 tbsp butter = 1 oz unsweetened chocolate.
About 1/3 Cup as a Measurement
1/3 cup = 5 tablespoons + 1 teaspoon = 80ml. This unusual fraction appears in recipes that scale for 2 servings from a 3-serving base. It cannot be made from combining standard 1/4 and 1/8 cup measures without error.
One-third cup is common in yogurt parfait recipes, small-batch granola bars, and single-layer cake recipes scaled for 2 servings. It is exactly 80ml in metric volume.
Frequently Asked Questions
How many grams is 1/3 cup of cocoa powder (unsweetened)?
1/3 cup of cocoa powder (unsweetened) weighs 33.33 grams (1.18 oz, 80ml). Based on USDA FoodData Central: 1 cup cocoa powder (unsweetened) = 100g, so 1/3 cup = 100 × 0.333 = 33.33g.
Is 1/3 cup of cocoa powder (unsweetened) the same weight every time?
The weight can vary slightly depending on measuring technique. Spooned and leveled gives 33.33g. Scooped (packed) can be 10–20% heavier. Sifted gives a lighter weight. The USDA standard (spooned and leveled) of 33.33g is the most reliable baseline for recipes.
How do I accurately measure 1/3 cup of cocoa powder (unsweetened)?
For accuracy, use a kitchen scale and weigh 33.33g of cocoa powder (unsweetened). If using measuring cups, spoon the cocoa powder (unsweetened) lightly into a 1/3 Cup measuring cup and level off the top with a straight edge. Avoid scooping directly from the container, which compacts the ingredient and adds extra weight.
How does 1/3 cup of cocoa powder (unsweetened) compare to other ingredients?
1/3 cup of different ingredients varies significantly: Cocoa Powder (unsweetened) = 33.33g, Tapioca Flour (Starch) = 40g, Cornstarch = 42.67g. This is because each ingredient has a different density.