Cornstarch vs Tapioca Starch
Density, calorie, and weight differences — and whether they can substitute for each other.
Substitution Verdict
Density difference: 3.9%. Very similar — 1:1 substitution is usually safe.
Calories per 100 g: Cornstarch 381 kcal vs Tapioca Starch 358 kcal. Difference: 23 kcal — Cornstarch is higher.
Weight Conversions (per Spoon and Cup)
| Measure | Cornstarch | Tapioca Starch |
|---|---|---|
| 1 tablespoon | 8 g | 8 g |
| 1 teaspoon | 2.5 g | 2.7 g |
| 1 cup | 120 g | 125 g |
| Density | 0.5 g/ml | 0.52 g/ml |
Measuring Tips
Always make a slurry with cold liquid before adding to hot mixtures — clumps if added directly to hot liquid.
Tapioca makes glossy fillings, unlike cornstarch which gives matte finish. Use 1:2 ratio if substituting cornstarch.
Frequently Asked Questions
Can Cornstarch be substituted for Tapioca Starch?▾
Very similar — 1:1 substitution is usually safe. Density of Cornstarch is 0.5 g/ml; Tapioca Starch is 0.52 g/ml — a 3.9% difference. But flavor, moisture, and chemistry can still differ — verify suitability for the specific recipe.
How many grams in 1 tablespoon of Cornstarch vs Tapioca Starch?▾
1 tbsp Cornstarch ≈ 8 g. 1 tbsp Tapioca Starch ≈ 8 g. By weight: 1 tbsp Cornstarch = 1.00 tbsp Tapioca Starch.
Which has more calories, Cornstarch or Tapioca Starch?▾
Per 100 g: Cornstarch 381 kcal, Tapioca Starch 358 kcal. Cornstarch has 23 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 Tapioca Starch typically used for?▾
Tapioca Starch is commonly used in: fruit pies, boba pearls, Brazilian cheese bread, gluten-free baking. Source: usda-fdc.