Batch Scaling Around ⅔ US Cup Cornstarch
| Batch Scale | Weight (g / oz) | US Cups & Spoons | Metric (mL) |
|---|---|---|---|
| Half Batch (0.5×) | 42.7g (1.51 oz) | ⅓ cup | 78.9 mL |
| Standard (1×) | 85.3g (3.01 oz) | ⅔ cup | 157.7 mL |
| 1.5× Batch | 128g (4.52 oz) | 1 cup | 236.6 mL |
| Double Batch (2×) | 170.7g (6.02 oz) | 1 ⅓ cups | 315.5 mL |
| Triple Batch (3×) | 256g (9.03 oz) | 2 cups | 473.2 mL |
Measuring ⅔ US Cup of Cornstarch in the Kitchen
Measured spooned & leveled at a verified bulk density of 128g per US cup, ⅔ US cup of cornstarch weighs 85.3 grams (3.01 ounces). Measured using the dip scooped method (145g/cup), that same ⅔ cup holds 96.7g — a 11.3g difference in your mixing bowl.
Cornstarch packs easily into a solid cake when pressed; scoop gently with a spoon and sweep level with a straightedge.
Source note: USDA FDC #169698 & Argo technical specifications
Frequently Asked Questions
How many grams is ⅔ cup of cornstarch? ▾
⅔ US Cup of cornstarch measured spooned & leveled weighs 85.3 grams (3.01 ounces).
Why must cornstarch be dissolved in cold liquid first? ▾
Adding dry cornstarch directly to hot liquid gelatinizes the surface instantly, causing stubborn lumps.
Is cornstarch in the UK called cornflour? ▾
Yes, British recipes calling for cornflour mean pure white refined cornstarch (128g/cup), not yellow cornmeal.