Corn Flour in Grams: How Many Grams in a Cup?
Convert corn flour from cups to grams and ounces with precision for any recipe.
1 cup of corn flour weighs 116 grams.
≈ 4.09 oz (weight)
Interactive Converter
1 cup of Corn flour weighs 116 grams.
116g (4.09 oz)
Level, unpacked US cupCorn flour
US & UK alternative namesSpoon into cup & level off with a knife.
Prevent packing errorsCorn flour cups to grams
Complete conversion reference chart for standard US cup measurements to grams and ounces.
| Cups (US) | Grams (g) | Ounces (oz) |
|---|---|---|
| 1/8 cup | 15g | 0.53 oz |
| 1/4 cup | 29g | 1.02 oz |
| 1/3 cup | 38.28g | 1.35 oz |
| 1/2 cup | 58g | 2.05 oz |
| 2/3 cup | 77g | 2.72 oz |
| 3/4 cup | 87g | 3.07 oz |
| 1 cup | 116g | 4.09 oz |
| 1 1/2 cups | 174g | 6.14 oz |
| 2 cups | 232g | 8.18 oz |
| 3 cups | 348g | 12.28 oz |
| 4 cups | 464g | 16.37 oz |
| 5 cups | 580g | 20.46 oz |
| Weight (Grams) | Cups (US) | Ounces (oz) | Tablespoons (tbsp) |
|---|---|---|---|
| 25g | ≈ 1/4 cup (0.22) | 0.88 oz | 3.45 tbsp |
| 50g | ≈ 1/2 cup (0.43) | 1.76 oz | 6.9 tbsp |
| 75g | ≈ 3/4 cup (0.65) | 2.65 oz | 10.34 tbsp |
| 100g | ≈ 3/4 cup (0.86) | 3.53 oz | 13.79 tbsp |
| 125g | ≈ 1 cup (1.08) | 4.41 oz | 17.24 tbsp |
| 150g | ≈ 1 1/4 cups (1.29) | 5.29 oz | 20.69 tbsp |
| 200g | ≈ 1 3/4 cups (1.72) | 7.05 oz | 27.59 tbsp |
| 250g | ≈ 2 1/4 cups (2.16) | 8.82 oz | 34.48 tbsp |
| 300g | ≈ 2 1/2 cups (2.59) | 10.58 oz | 41.38 tbsp |
| 350g | ≈ 3 cups (3.02) | 12.35 oz | 48.28 tbsp |
| 400g | ≈ 3 1/2 cups (3.45) | 14.11 oz | 55.17 tbsp |
| 500g | ≈ 4 1/4 cups (4.31) | 17.64 oz | 68.97 tbsp |
1 cup of corn flour (cornstarch) weighs 116 grams. Corn flour is very fine and compresses easily — spoon it into the cup and level off. For baking and thickening, even a small excess can affect the texture.
You may see this written as corn flour (UK) or cornstarch (US). It is the same food, so the weights are identical. We list both because our readers search both ways.
For the most accurate results, weigh your corn flour with a digital kitchen scale — the values below assume a level, unpacked cup.
Frequently asked questions
How many grams is 1 cup of corn flour?
1 cup of corn flour weighs 116g.
How many grams is 1/2 cup of corn flour?
1/2 cup of corn flour weighs 58g.
How many grams is 1/4 cup of corn flour?
1/4 cup of corn flour weighs 29g.
How many cups is 100g of corn flour?
100g of corn flour is approximately 0.86 cups.
How many grams is 2 cups of corn flour?
2 cups of corn flour weighs 232g.
How many grams is 1/3 cup of corn flour?
1/3 cup of corn flour weighs 38.28g.
How many ounces is 1 cup of corn flour?
1 cup of corn flour weighs approximately 4.1 ounces (116g).
How many grams is 3 cups of corn flour?
3 cups of corn flour weighs 348g.
Practical baking & cooking tips for corn flour
- Always dissolve cornstarch into a cold liquid slurry before whisking into hot mixtures to prevent instant clumping.
- Cornstarch must be brought to a gentle boil for 1 full minute to deactivate alpha-amylase enzymes that would otherwise liquefy the filling as it cools.
- In UK/Australian recipes, "cornflour" refers to cornstarch; in the US, "corn flour" can sometimes mean finely ground cornmeal. Our charts provide cornstarch (120g/cup).
Common substitutions for corn flour
| Substitute | Ratio | Kitchen Notes |
|---|---|---|
| All-purpose flour | 2:1 by weight (240g flour per 120g cornstarch) | Requires longer simmering to cook out raw flour taste; yields an opaque sauce |
| Arrowroot powder | 1:1 by weight (120g) | Freezes well, handles acidic fruit juices better; do not overheat |
| Tapioca starch | 1:1 by weight | Produces glossy, translucent finish; excellent for berry pies |
Why accuracy matters for corn flour
Corn flour (cornstarch) is an ultra-fine pure starch with tremendous thickening power—double that of wheat flour. Even a 5-gram error can transform a delicate pastry cream into a rubbery gelatinous block.
Who needs grams for corn flour?
Pie bakers, gravy makers, and pastry chefs perfecting custards and fruit pie fillings.
Common mistakes to avoid with corn flour
- Confusing corn flour with cornstarch, leading to incorrect consistency in sauces.
- Adding corn flour directly to hot liquids without making a slurry, causing lumps.
- Not cooking corn flour long enough in sauces, resulting in a raw flour taste.
Corn flour in other kitchen units
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