Everyday weights for cornstarch - cups, tablespoons, teaspoons, and milliliters, plus the reverse lookup.
= 0.78 cups
= 128 g
| 1/4 cup | 32 g |
| 1/3 cup | 42.7 g |
| 1/2 cup | 64 g |
| 1 cup | 128 g |
| 1 1/2 cups | 192 g |
| 2 cups | 256 g |
| 3 cups | 384 g |
| 4 cups | 512 g |
| 1 tbsp | 8 g |
| 2 tbsp | 16 g |
| 3 tbsp | 24 g |
| 4 tbsp | 32 g |
| 8 tbsp | 64 g |
| 16 tbsp | 128 g |
| 1 tsp | 2.67 g |
| 2 tsp | 5.33 g |
| 3 tsp | 8 g |
| 4 tsp | 10.7 g |
| 8 tsp | 21.3 g |
| 25 g | 0.2 cups |
| 50 g | 0.39 cups |
| 100 g | 0.78 cups |
| 150 g | 1.17 cups |
| 200 g | 1.56 cups |
| 250 g | 1.95 cups |
| 500 g | 3.91 cups |
| 1000 g | 7.81 cups |
One US cup of cornstarch weighs about 128 grams. That works out to 8 g per tablespoon and 2.67 g per teaspoon. Scoop and level; do not pack. Weights vary slightly by brand, moisture, and how tightly you pack - for precise baking, a kitchen scale beats volume measures.
About 128 grams, scoop-and-level for dry ingredients. Scoop and level; do not pack.
One US tablespoon (15 mL) of cornstarch is about 8 grams. A teaspoon is 2.67 g.
Dry ingredients are weighed by how they pack into the cup volume. Cornstarch has an apparent density of about 0.54 g/mL - lighter than water - depending on particle size and air gaps.
100 g ÷ 128 g/cup ≈ 0.78 cups - about a little less than a full cup. The reverse table on this page covers 25-1000 g.
Weighing is more accurate - volume measures vary with how you scoop, pack, and level, and brands differ by 5-15%. For cookies and cakes where ratios matter, grams are the professional standard. The tables here convert either direction.
About 128 grams, scoop-and-level for dry ingredients. Scoop and level; do not pack.
One US tablespoon (15 mL) of cornstarch is about 8 grams. A teaspoon is 2.67 g.
Dry ingredients are weighed by how they pack into the cup volume. Cornstarch has an apparent density of about 0.54 g/mL - lighter than water - depending on particle size and air gaps.
100 g ÷ 128 g/cup ≈ 0.78 cups - about a little less than a full cup. The reverse table on this page covers 25-1000 g.
Weighing is more accurate - volume measures vary with how you scoop, pack, and level, and brands differ by 5-15%. For cookies and cakes where ratios matter, grams are the professional standard. The tables here convert either direction.