Cornmeal: Grams to Cups
1 cup of cornmeal = 138 grams
One US cup of cornmeal weighs 138 grams. One 250 ml metric cup — the one used in the UK, Australia, New Zealand and Canada — holds 146 grams. To convert any weight, divide the grams by the figure for your cup.
Whole-grain cornmeal weighs about 138 g per cup (King Arthur Baking). Degermed cornmeal is finer and denser — USDA FoodData Central lists 157 g — and coarse polenta heavier still.
Where the 138 g figure comes from
- USDA FoodData Central: 1 cup of “Cornmeal, degermed, enriched, yellow” = 157 g (FDC ID 168867)
- King Arthur Baking ingredient weight chart: Cornmeal (whole), 1 cup = 138 g (chart)
This site uses 138 g per US cup of cornmeal, spooned and levelled. References checked September 2026.
How many cups is X grams of cornmeal?
| Grams | US cups | Metric cups | Tablespoons | Ounces |
|---|---|---|---|---|
| 25 g cornmeal | ⅛ | ⅛ | 2.9 | 0.88 |
| 50 g cornmeal | ⅜ | ⅓ | 5.8 | 1.76 |
| 75 g cornmeal | ½ | ½ | 8.7 | 2.65 |
| 100 g cornmeal | ¾ | ⅔ | 11.59 | 3.53 |
| 110 g cornmeal | ¾ | ¾ | 12.75 | 3.88 |
| 120 g cornmeal | ⅞ | ⅞ | 13.91 | 4.23 |
| 125 g cornmeal | ⅞ | ⅞ | 14.49 | 4.41 |
| 130 g cornmeal | 0.94 | ⅞ | 15.07 | 4.59 |
| 140 g cornmeal | 1 | 1 | 16.23 | 4.94 |
| 150 g cornmeal | 1⅛ | 1 | 17.39 | 5.29 |
| 170 g cornmeal | 1¼ | 1⅛ | 19.71 | 6.00 |
| 175 g cornmeal | 1¼ | 1¼ | 20.29 | 6.17 |
| 200 g cornmeal | 1½ | 1⅜ | 23.19 | 7.05 |
| 225 g cornmeal | 1⅝ | 1½ | 26.09 | 7.94 |
| 240 g cornmeal | 1¾ | 1⅝ | 27.83 | 8.47 |
| 250 g cornmeal | 1.81 | 1¾ | 28.99 | 8.82 |
| 275 g cornmeal | 2 | 1⅞ | 31.88 | 9.70 |
| 300 g cornmeal | 2⅛ | 2.06 | 34.78 | 10.58 |
| 350 g cornmeal | 2½ | 2⅜ | 40.58 | 12.35 |
| 400 g cornmeal | 2⅞ | 2¾ | 46.38 | 14.11 |
| 450 g cornmeal | 3¼ | 3⅛ | 52.17 | 15.87 |
| 500 g cornmeal | 3⅝ | 3⅜ | 57.97 | 17.64 |
How to measure cornmeal accurately
The 138 g figure assumes the spooned-and-levelled method: spoon the cornmeal into a dry measuring cup and sweep the top flat with a straight edge. Scooping the cup through the bag compacts it and gives a heavier cup.
- 1 US cup of cornmeal = 138 g
- 1 metric cup (250 ml) of cornmeal = 146 g
- ¾ cup = 104 g
- ½ cup = 69 g
- ⅓ cup = 46 g
- ¼ cup = 35 g
- 1 tablespoon = 8.6 g
Frequently asked questions
How many cups is 100 grams of cornmeal?
100 grams of cornmeal is about ¾ US cups, based on 138 g per cup, or ⅔ metric cups.
How many grams in a cup of cornmeal?
One US cup of cornmeal weighs 138 grams. A 250 ml metric cup holds 146 grams.
How many cups is 250 grams of cornmeal?
250 grams of cornmeal is about 1.81 US cups, or 1¾ metric cups.
Does a UK cup of cornmeal weigh the same as a US cup?
No. A UK, Australian or Canadian metric cup is 250 ml against the US 236.6 ml, so it holds about 5.7% more — 146 g of cornmeal rather than 138 g.
How many tablespoons is 100 grams of cornmeal?
100 grams of cornmeal is about 11.59 tablespoons.