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Brown sugar — Cups to Grams

One US cup of brown sugar weighs about 213 grams. That makes it heavier than all-purpose flour, which is 120 grams per cup. Brown sugar should be firmly packed into the cup so it holds the cup's shape when turned out. Use the converter below to switch brown sugar between cups, grams, ounces, tablespoons and millilitres — or read the full chart underneath.

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Brown sugar conversion chart

Brown sugar — cups to grams chart
Cups	Grams	Ounces	Tablespoons	Millilitres
⅛ cup	26.63 g	0.939 oz	2	29.57 ml
¼ cup	53.25 g	1.88 oz	4	59.15 ml
⅓ cup	71 g	2.5 oz	5.33	78.86 ml
½ cup	106.5 g	3.76 oz	8	118.3 ml
⅔ cup	142 g	5.01 oz	10.67	157.7 ml
¾ cup	159.8 g	5.64 oz	12	177.4 ml
1 cup	213 g	7.51 oz	16	236.6 ml
1¼ cups	266.3 g	9.39 oz	20	295.7 ml
1½ cups	319.5 g	11.27 oz	24	354.9 ml
2 cups	426 g	15.03 oz	32	473.2 ml
3 cups	639 g	22.54 oz	48	709.8 ml

Grams to cups: brown sugar

Brown sugar — grams to cups chart
Grams	Cups	Ounces	Tablespoons
10 g	0.047	0.353 oz	0.751
25 g	0.117	0.882 oz	1.88
50 g	0.235	1.76 oz	3.76
75 g	0.352	2.65 oz	5.63
100 g	0.469	3.53 oz	7.51
125 g	0.587	4.41 oz	9.39
150 g	0.704	5.29 oz	11.27
200 g	0.939	7.05 oz	15.02
250 g	1.17	8.82 oz	18.78
300 g	1.41	10.58 oz	22.54
400 g	1.88	14.11 oz	30.05
500 g	2.35	17.64 oz	37.56

How to measure brown sugar

Brown sugar should be firmly packed into the cup so it holds the cup's shape when turned out.

Because a cup measures volume rather than weight, the most reliable way to measure brown sugar 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 brown sugar

1 cup light brown sugar = 1 cup granulated sugar + 2 tsp molasses (King Arthur Baking)
Add both directly to your recipe without pre-mixing. Or pulse together in a food processor for 15 seconds for a more uniform blend.
1 cup dark brown sugar = 1 cup granulated sugar + 1 tbsp molasses (King Arthur Baking)
Same method as light brown sugar; just more molasses for the deeper flavor.

See all brown sugar substitutes, ratios and sources →

Brown sugar conversions: FAQ

Why doesn't a cup of brown sugar weigh the same as a cup of water?

A cup measures volume, not weight. Brown sugar is less dense than water (213 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 brown sugar conversions

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

100 g to cups

100 g brown sugar ≈ 0.469 cups

200 g to cups

200 g brown sugar ≈ 0.939 cups

250 g to cups

250 g brown sugar ≈ 1.17 cups

500 g to cups

500 g brown sugar ≈ 2.35 cups

¼ cup to grams

¼ cup brown sugar ≈ 53.25 g

½ cup to grams

½ cup brown sugar ≈ 106.5 g

1 cup to grams

1 cup brown sugar ≈ 213 g

2 cups to grams

2 cups brown sugar ≈ 426 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.