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Corn syrup — Cups to Grams

One US cup of corn syrup weighs about 328 grams. That makes it heavier than all-purpose flour, which is 120 grams per cup. Corn syrup is one of the densest common sweeteners by volume. Use the converter below to switch corn syrup between cups, grams, ounces, tablespoons and millilitres — or read the full chart underneath.

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Corn syrup conversion chart

Corn syrup — cups to grams chart
Cups	Grams	Ounces	Tablespoons	Millilitres
⅛ cup	41 g	1.45 oz	2	29.57 ml
¼ cup	82 g	2.89 oz	4	59.15 ml
⅓ cup	109.3 g	3.86 oz	5.33	78.86 ml
½ cup	164 g	5.78 oz	8	118.3 ml
⅔ cup	218.7 g	7.71 oz	10.67	157.7 ml
¾ cup	246 g	8.68 oz	12	177.4 ml
1 cup	328 g	11.57 oz	16	236.6 ml
1¼ cups	410 g	14.46 oz	20	295.7 ml
1½ cups	492 g	17.35 oz	24	354.9 ml
2 cups	656 g	23.14 oz	32	473.2 ml
3 cups	984 g	34.71 oz	48	709.8 ml

Grams to cups: corn syrup

Corn syrup — grams to cups chart
Grams	Cups	Ounces	Tablespoons
10 g	0.03	0.353 oz	0.488
25 g	0.076	0.882 oz	1.22
50 g	0.152	1.76 oz	2.44
75 g	0.229	2.65 oz	3.66
100 g	0.305	3.53 oz	4.88
125 g	0.381	4.41 oz	6.1
150 g	0.457	5.29 oz	7.32
200 g	0.61	7.05 oz	9.76
250 g	0.762	8.82 oz	12.2
300 g	0.915	10.58 oz	14.63
400 g	1.22	14.11 oz	19.51
500 g	1.52	17.64 oz	24.39

How to measure corn syrup

Corn syrup is one of the densest common sweeteners by volume.

Because a cup measures volume rather than weight, the most reliable way to measure corn syrup is with a digital kitchen scale. If you are working from cups, keep your technique consistent every time so your results are repeatable. For more, see our guide on baking by weight versus volume.

No scale yet? You don't need a fancy one; any digital kitchen scale that reads in 1-gram steps does everything on this site. Well-rated kitchen scales on Amazon →

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Substitutes for corn syrup

1 cup corn syrup = 1 cup golden syrup (King Arthur Baking)
Closest match in sweetness and viscosity; works in pecan pie, caramels, and glazes.
1 cup corn syrup = ¾ cup honey or 1 cup maple syrup (King Arthur Baking)
Honey is sweeter, so scale down; both add distinct flavor and brown faster than corn syrup. Not ideal for candy work where crystallization matters.

See all corn syrup substitutes, ratios and sources →

Compare corn syrup

Corn syrup vs Golden syrup

Corn syrup conversions: FAQ

Why doesn't a cup of corn syrup weigh the same as a cup of water?

A cup measures volume, not weight. Corn syrup is denser than water (328 g versus 237 g per cup), so the same volume has a different weight. Weighing in grams is the most accurate way to measure it.

Common corn syrup conversions

Quick-answer pages for the conversions people search for most.

100 g to cups

100 g corn syrup ≈ 0.305 cups

200 g to cups

200 g corn syrup ≈ 0.61 cups

250 g to cups

250 g corn syrup ≈ 0.762 cups

500 g to cups

500 g corn syrup ≈ 1.52 cups

¼ cup to grams

¼ cup corn syrup ≈ 82 g

½ cup to grams

½ cup corn syrup ≈ 164 g

1 cup to grams

1 cup corn syrup ≈ 328 g

2 cups to grams

2 cups corn syrup ≈ 656 g

Related converters

← All ingredient converters Cups to grams chart Recipe scaler

* Conversion figures are typical average weights for one US customary cup (236.6 ml), based on the King Arthur Baking Ingredient Weight Chart and cross-referenced with the U.S. Department of Agriculture FoodData Central database. Actual weight varies with packing, brand and humidity — see our methodology.