Cornstarch vs Rice Flour
Density, calorie, and weight differences — and whether they can substitute for each other.
Substitution Verdict
Density difference: 9.5%. Very similar — 1:1 substitution is usually safe.
Calories per 100 g: Cornstarch 381 kcal vs Rice Flour 366 kcal. Difference: 15 kcal — Cornstarch is higher.
Weight Conversions (per Spoon and Cup)
| Measure | Cornstarch | Rice Flour |
|---|---|---|
| 1 tablespoon | 8 g | 8 g |
| 1 teaspoon | 2.5 g | 2.7 g |
| 1 cup | 120 g | 130 g |
| Density | 0.5 g/ml | 0.55 g/ml |
Measuring Tips
Always make a slurry with cold liquid before adding to hot mixtures — clumps if added directly to hot liquid.
Rice flour and glutinous rice flour look similar but behave very differently. Rice flour: harder texture when cooked. Glutinous: chewy and sticky. Don't substitute.
Frequently Asked Questions
Can Cornstarch be substituted for Rice Flour?▾
Very similar — 1:1 substitution is usually safe. Density of Cornstarch is 0.5 g/ml; Rice Flour is 0.55 g/ml — a 9.5% difference. But flavor, moisture, and chemistry can still differ — verify suitability for the specific recipe.
How many grams in 1 tablespoon of Cornstarch vs Rice Flour?▾
1 tbsp Cornstarch ≈ 8 g. 1 tbsp Rice Flour ≈ 8 g. By weight: 1 tbsp Cornstarch = 1.00 tbsp Rice Flour.
Which has more calories, Cornstarch or Rice Flour?▾
Per 100 g: Cornstarch 381 kcal, Rice Flour 366 kcal. Cornstarch has 15 more kcal.
What is Cornstarch typically used for?▾
Cornstarch is commonly used in: thickening sauces, Chinese stir-fry, fruit pie filling, custards. Source: king-arthur, usda-fdc.
What is Rice Flour typically used for?▾
Rice Flour is commonly used in: Asian desserts, rice noodles, tempura batter, gluten-free baking. Source: usda-fdc.