Cornstarch: cups to grams

One US cup of cornstarch weighs 112 grams (4 oz), based on King Arthur Baking's ingredient weight chart. Type any amount below, or use the chart for common measures.

Fractions work: 1 1/2, ¾, 0.5

1 cup of cornstarch weighs

112g3.95 oz

Same as 16 tbsp · 8 fl oz · 237 ml

US cups and spoons

Common amounts of cornstarch

Weights: King Arthur Baking ingredient weight chart

Measured by spooning into the cup and leveling. Scooping straight from the bag packs it and can add 15% or more.

How it works

  1. 1Choose an ingredient. Each one uses its own weight per cup from King Arthur Baking's ingredient weight chart.
  2. 2Type an amount the way a recipe writes it: 1, 1/2, 1 1/3 or ¾, in cups, tablespoons, teaspoons, fluid ounces or ml.
  3. 3Read the grams (and ounces), or use the table to convert every common cup size at once.

Cornstarch: cups to grams chart

VolumeGramsOunces
⅛ cup14 g0.49 oz
¼ cup28 g0.99 oz
⅓ cup37 g1.32 oz
½ cup56 g1.98 oz
⅔ cup75 g2.63 oz
¾ cup84 g2.96 oz
1 cup112 g3.95 oz
1½ cups168 g5.93 oz
2 cups224 g7.9 oz
3 cups336 g11.9 oz
1 tbsp7 g0.25 oz
2 tbsp14 g0.49 oz
1 tsp2.3 g0.08 oz
½ tsp1.2 g0.04 oz

Cornstarch: grams to cups chart

WeightMeasureCupsTbsp
25 g3 tbsp + 1½ tsp0.223.6
50 g⅓ cup + 2 tbsp0.45—
100 g¾ cup + 2 tbsp0.89—
150 g1⅓ cups1.34—
200 g1¾ cups1.79—
250 g2¼ cups2.23—
300 g2⅔ cups2.68—
400 g3½ cups3.57—
500 g4½ cups4.46—

Where the numbers come from

King Arthur Baking lists 1/4 cup of cornstarch as 28 g. That’s 112 g per US cup, and every amount on this page is scaled from it. Brands vary a little, so weigh your own when it really matters. See the chart.

Measured by spooning into the cup and leveling. Scooping straight from the bag packs it and can add 15% or more.

More flours and starches

Converting something else? Use the cups to grams converter or the grams to cups converter.

Questions

How many grams is 1 cup of cornstarch?

112 g. Half a cup is 56 g and a quarter cup is 28 g. Measured by spooning into the cup and leveling. Scooping straight from the bag packs it and can add 15% or more.

How many grams in a tablespoon of cornstarch?

About 7 g per tablespoon and 2.3 g per teaspoon.

How many cups is 100 g of cornstarch?

About 0.89 cups.

Where does this weight come from?

King Arthur Baking's ingredient weight chart lists 1/4 cup of cornstarch as 28 g; the converter scales that to other amounts. Brands vary a little, so weigh your own when precision matters.

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