3/4 cup of cornmeal weighs about 103.5 g. That is the short answer, measured spooned and levelled and taken from King Arthur Baking — and the rest of this guide explains exactly how that number was worked out, where it can go wrong, and how to use it in real recipes.
3/4 cup of cornmeal in grams
| Amount | Grams (approx.) |
|---|---|
| 1/8 cup | 17.2 g |
| 1/4 cup | 34.5 g |
| 1/3 cup | 46 g |
| 1/2 cup | 69 g |
| 2/3 cup | 92 g |
| 3/4 cup | 103.5 g ← this page |
| 1 cup | 138 g |
| 1 1/2 cups | 207 g |
| 2 cups | 276 g |
All figures are approximate. One US cup of cornmeal weighs 138 g spooned and levelled (King Arthur Baking), and every fraction above is calculated from that figure. When the result matters — a cake, a loaf, a sauce you cannot remake — verify with a kitchen scale.
When 3/4 cup of cornmeal matters most
3/4 cup of cornmeal turns up most often in scaled-down recipes, single-serving bakes, and recipes written for two people instead of four. It is also the amount you reach for when you are halving a recipe that originally called for half a cup, or quartering one that called for a full cup. Cornbread, polenta, muffins and breading. In those situations the amount is small but the stakes are not: a halved recipe has less margin for error, so a heavy-handed 3/4 cup can throw the whole balance off. Weighing the 103.5 g instead of eyeballing it is the simplest insurance you can buy for a small batch.
Worked examples
Example 1: halving a recipe that calls for 1 1/2 cup
A recipe written for a full batch asks for 1 1/2 cup of cornmeal. You want half as much, which is 3/4 cup. On the scale that is 103.5 g. Weigh it once, and the rest of the recipe halves cleanly — no mental arithmetic with measuring cups, and no second batch of a dry ingredient you cannot take back once it is in the bowl.
Example 2: measuring cornmeal for polenta
Polenta often needs a modest amount of cornmeal, and 3/4 cup is a typical quantity. Weighing 103.5 g straight into the pan or bowl avoids dirtying a measuring cup and keeps the amount exact. If you are cooking by feel, remember that cornmeal is coarsely ground dried corn; King Arthur lists whole cornmeal at 138 g per cup. so the weight, not the volume, is what the recipe writer was counting on.
Example 3: baking with a recipe from another country
Many recipes from the US list cornmeal in cups while the rest of your kitchen works in grams. Converting 3/4 cup to 103.5 g lets you follow the recipe without converting every other ingredient back to cups. Keep the conversion table below bookmarked: the same 138 g-per-cup figure gives you every fraction from 1/8 cup to two cups.
How 3/4 cup of cornmeal is measured
The figure of 103.5 g is based on cornmeal measured spooned and levelled, following King Arthur Baking. One full cup weighs 138 g under that method, and 3/4 cup is simply that figure multiplied by 0.75. That is why the headline number is labelled approximate: it is a calculation from a published full-cup density, not a measurement of the exact spoonful in your kitchen.
If your cornmeal was measured differently, the weight changes. A scooped cup packs more in; a sifted cup holds less; a packed cup of a sticky ingredient holds far more than a spooned one. The method matters as much as the number, which is why every conversion on this site states its method alongside its source. When a recipe matters — a celebration cake, a loaf of bread you have been planning, a sauce you cannot remake — weigh the cornmeal on a kitchen scale and let the scale settle the argument. 103.5 g is a good target; the scale tells you when you have actually hit it.
King Arthur Baking is the source for the full-cup figure, and this site uses that value consistently across every cornmeal page, so the quarter-cup, half-cup and full-cup figures all agree with each other. If you have seen a different number elsewhere, it almost certainly comes from a different method or a different source's rounding — not from a different ingredient.
Practical guidance for cornmeal
Cornbread, polenta, muffins and breading. That range of uses is exactly why the weight matters: the same 3/4 cup of cornmeal behaves differently in a cake batter, where it must hydrate evenly, than in a bread dough, where it builds gluten. Weighing 103.5 g gives the recipe the amount its author tested, whatever you are making.
Storage changes the number too. Airtight container, cool and dry; refrigerate whole-grain cornmeal. Flour that has sat in a humid kitchen absorbs moisture and weighs more per cup; flour that has been in the freezer and brought out cold can clump. Keep it sealed, bring it to room temperature before baking, and spoon it loosely when you measure by volume.
The most common failure with cornmeal is a dry, heavy bake caused by too much flour. If your cakes keep coming out dense, weigh the flour for a few bakes and compare with your usual cup measure — most bakers find they have been adding 10–20 g extra per cup without realising it. 3/4 cup at 103.5 g is a small enough amount that the error is easy to miss and large enough, proportionally, to matter.
Common mistakes with 3/4 cup of cornmeal
Measuring over the mixing bowl. Spills fall into the recipe and cannot be taken out cleanly. Measure over the bag, the sink, or a spare plate instead.
Rounding the figure too aggressively. 103.5 g is already a rounded figure; rounding it again to 104 g is fine for most cooking, but for delicate baking keep the full figure.
Scooping the cup straight from the bag or jar. This packs cornmeal down and can add 15–20% extra weight. Spoon it in loosely and level it off, or better, weigh it.
If you do not have a scale
Use a 3/4 cup measure if you have one. Fill it using the spooned and levelled method: spoon cornmeal in, do not press it down, and level the top with the back of a knife.
Four level tablespoons are roughly 3/4 cup of a cup — about 103.5 g of cornmeal. Tablespoons are easier to level accurately than a small cup, so this is a decent fallback.
If you only have a 1-cup measure, fill it to the 3/4 cup line and level it. Read it at eye level on a flat surface; reading from above makes the line look lower than it is.
Remember that any of these fallbacks is approximate. A kitchen scale is inexpensive, and it turns every conversion on this site — including this 103.5 g figure — from a good guess into a measurement you can trust.
Frequently asked questions
Can I use 3/4 cup of cornmeal in place of a full cup in a recipe?
Only if you are scaling the whole recipe down. 3/4 cup is a quarter of a cup, so replacing a full cup with 3/4 cup quarters the amount of cornmeal and will change the recipe's structure, moisture or sweetness. If you want a smaller batch, scale every ingredient by the same factor.
Does the weight of 3/4 cup of cornmeal change if it is cold or warm?
Barely, for most purposes. Temperature changes the density of cornmeal only slightly, and 103.5 g stays a good working figure. The bigger variables are how it was measured and how it was stored — humidity and packing change the weight far more than temperature does.
How much is 3/4 cup of cornmeal in ounces?
3/4 cup of cornmeal is about 3.7 oz by weight (since one ounce is 28.35 g). Ounces on a recipe usually mean weight, so this is the figure to use on a scale that reads in ounces.
How many grams is 3/4 cup of cornmeal?
3/4 cup of cornmeal is about 103.5 g, measured spooned and levelled and based on King Arthur Baking's figure of 138 g per cup. The figure is approximate — cornmeal varies with brand, grind and humidity — so verify with a kitchen scale when the recipe matters.
Is 103.5 g exact for 3/4 cup of cornmeal?
No. 103.5 g is an approximate figure calculated from King Arthur Baking's full-cup value of 138 g. cornmeal does not have a single fixed density: Packing, brand and humidity all shift the true density a little, and different sources round their figures differently. A kitchen scale gives you the true weight of what you actually added, which is why weighing beats converting.