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A fine starch powder used to thicken sauces and lighten baked goods. Slightly denser than flour but similarly sensitive to sifting.
1 cup =
128
grams
All values calculated using the actual density of Cornstarch (0.54 g/ml).
¼ cup
32g
1.1 oz
⅓ cup
43g
1.5 oz
½ cup
64g
2.3 oz
⅔ cup
85g
3.0 oz
¾ cup
96g
3.4 oz
1 cup
128g
4.5 oz
1½ cups
192g
6.8 oz
2 cups
256g
9.0 oz
1 tablespoon
8g
1 teaspoon
3g
½ tablespoon
4g
Why density matters
Cornstarch has a density of 0.54 g/ml. Compare that to water at 1.0 g/ml — a lighter ingredient will give a lower gram count per cup. Generic converters that assume 240g per cup for everything would give you 112g more than the actual weight — which can ruin precision bakes.
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