Batch Scaling Around 1 Tablespoon Cornstarch
| Batch Scale | Weight (g / oz) | US Cups & Spoons | Metric (mL) |
|---|---|---|---|
| Half Batch (0.5×) | 4g (0.14 oz) | 1 ½ tsp | 7.4 mL |
| Standard (1×) | 8g (0.28 oz) | 1 tbsp | 14.8 mL |
| 1.5× Batch | 12g (0.42 oz) | 1 tbsp + 1 ½ tsp | 22.2 mL |
| Double Batch (2×) | 16g (0.56 oz) | ⅛ cup | 29.6 mL |
| Triple Batch (3×) | 24g (0.85 oz) | 3 tbsp | 44.4 mL |
Measuring 1 Tablespoon of Cornstarch in the Kitchen
Measured spooned & leveled at a verified bulk density of 128g per US cup, 1 tablespoon of cornstarch weighs 8 grams (0.28 ounces). Measured using the dip scooped method (145g/cup), that same 1 tbsp holds 9.1g — a 1.1g 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 1 tbsp of cornstarch? ▾
1 Tablespoon of cornstarch measured spooned & leveled weighs 8 grams (0.28 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.