By ingredient

25g Cornstarch in Cups

25 grams of cornstarch is ¼ cup 128g per US cup. Thickening a sauce or a pie filling takes only a spoonful or two of cornstarch, which is why it is almost never worth reaching for a cup.

How many cups is 25g of cornstarch?

25 grams of cornstarch equals:

¼
approximate cup
0.2
decimal cup
3.13
tablespoons
128g
per cup

Measuring by hand? That is 3 tablespoons + ½ teaspoon.

Cornstarch compacts in the box. Spoon it into the measure and level it, and always slurry it with cold liquid before it meets heat.

Converter

Grams to Cups Converter

Quick select

CornstarchDry Goods
128g per cup
grams

25 grams of Cornstarch is about ¼ cup, using a 236.588 millilitre cup at 128 grams per cup.

Reading

¼
cup
¼½¾1
25g of Cornstarch
cups
0.20
tbsp
3.1
tsp
9.4
About 3.1 tablespoons or 9.4 teaspoons (approximate)
Measured out: 3 tablespoons + ½ teaspoon
1 cup (236.588ml) = 128g

See the full 25g to cups guide →

See 25g cornstarch to cups →

US customary cup (236.588ml) · 128g per cup

Dedicated conversion guides use the default US customary cup.

Applies to this page only — the database value (128g per US cup) is unchanged.

Quick conversions:

25g of cornstarch vs other ingredients

Grams measure weight and cups measure volume, so the same 25 grams fills a different amount of cup for every ingredient:

Ingredient25g in cupsg per cup
Cornstarch¼ cup128
All-Purpose Flour¼ cup125
Granulated Sugar⅛ cup200
Butter1¾ tbsp227

See all 25g conversions on the 25 grams to cups chart.

Nearby cornstarch amounts

Grams of cornstarchCupsTablespoons
50g⅜ cup6.25 tbsp
100g¾ cup13 tbsp
128g1 cup16 tbsp

Full ladder on the cornstarch grams to cups chart.

Common questions

Frequently Asked Questions

How many cups is 25g of cornstarch?

25 grams of cornstarch is ¼ cup. In kitchen measures that is 3 tablespoons + ½ teaspoon, worked out from 128 grams per US cup.

How many grams are in 1 cup of cornstarch?

One US cup of cornstarch weighs about 128 grams, one tablespoon about 8 grams, and one teaspoon about 2.67 grams. This page divides 25 grams by that cup weight.

Is 25g of cornstarch the same as 25g of all-purpose flour?

No. 25g of cornstarch is ¼ cup, while 25g of all-purpose flour is ¼ cup. Same weight on the scale, different volume in the cup, because the two have different densities.

How do I measure 25g of cornstarch without a scale?

Use 3 tablespoons + ½ teaspoon. Cornstarch compacts in the box. Spoon it into the measure and level it, and always slurry it with cold liquid before it meets heat.

Is it better to weigh cornstarch or measure it in cups?

Weighing is more accurate, especially in baking, because it removes the variation in how the cornstarch is packed into the cup. If you have no scale, use the cup figure above and keep your measuring method consistent across the whole recipe.