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Cooking conversion
Teaspoons of Cornstarch to Ounces
How many ounces are in teaspoons of cornstarch? Type a value below to see the result instantly. Cooking conversions depend on the density of each ingredient — the math here uses 0.541 g/mL for cornstarch.
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1 tsp of cornstarch = 0.09406 oz
Teaspoons of Cornstarch to Ounces Conversion Table
Common values for cornstarch:
| Teaspoons of cornstarch | Ounces |
|---|---|
| 0.25 tsp | 0.023515 oz |
| 0.5 tsp | 0.04703 oz |
| 1 tsp | 0.09406 oz |
| 2 tsp | 0.188119 oz |
| 3 tsp | 0.282179 oz |
| 4 tsp | 0.376239 oz |
| 5 tsp | 0.470298 oz |
| 8 tsp | 0.752477 oz |
| 10 tsp | 0.940596 oz |
How this works
Cornstarch has a density of about 0.541 g/mL (king arthur baking: 1 cup = 128g). That means 1 mL of cornstarch weighs 0.541 grams.
Ounces = teaspoons × 0.0941
Note: Spooned and leveled.
Why a cup of cornstarch doesn't always weigh the same
Volume measurements are forgiving in some ways and brutal in others. A cup of cornstarch can vary by 10-20% in weight depending on how it's measured: spooned vs scooped, packed vs loose, sifted vs unsifted. The density figure used here matches the most common published recipe conventions, but if you're after baking precision, weighing on a kitchen scale is more accurate than measuring by volume.