How much is 3 cups of brown sugar in grams?

Reviewed by Shree • Last checked October 2026 • How we measure
Instant Answer Standard Cup Weight

3 cups of brown sugar weighs 660 grams.

660 grams

≈ 23.28 oz (weight)

Level cup, spooned in (not packed)
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3 cups cup of Brown sugar weighs 660 grams.

660 grams ≈ 23.3 oz

Nearby brown sugar cup measurements

Compare weight conversions for common cup sizes of brown sugar.

Cup Amount Weight (Grams) Weight (Ounces)
1/4 cup 55g 1.9 oz
1/3 cup 73g 2.6 oz
1/2 cup 110g 3.9 oz
2/3 cup 147g 5.2 oz
3/4 cup 165g 5.8 oz
1 cup 220g 7.8 oz
1 1/2 cups 330g 11.6 oz
2 cups 440g 15.5 oz

3 cups of brown sugar in other units

If a recipe calls for 3 cups of brown sugar, here is how that exact quantity converts into other volume and weight measurements:

  • • 660 grams (g) by weight
  • • 23.28 ounces (oz) by weight (View brown sugar ounces chart →)
  • • 48 tablespoons (tbsp)
  • • 144 teaspoons (tsp)
  • • 24 fluid ounces (fl oz) of volume

How to measure brown sugar accurately

Level cup, spooned in (not packed)

Measuring brown sugar by volume using cups can introduce errors up to 20% due to settling, packing pressure, and variations between measuring cup brands. For dependable, professional baking and cooking results, weighing your ingredients in grams with an inexpensive digital kitchen scale eliminates every inconsistency.

Frequently asked questions

How many grams is 3 cups of brown sugar?

3 cups of brown sugar weighs 660 grams (approximately 23.28 ounces).

How many ounces is 3 cups of brown sugar?

3 cups of brown sugar weighs approximately 23.28 ounces (660g).

How many cups of brown sugar is 100 grams?

100 grams of brown sugar is approximately 0.45 cups.

How do you accurately measure 3 cups of brown sugar?

The most accurate way to measure brown sugar is by weight on a digital kitchen scale (660g). If measuring with cups, spoon the ingredient lightly into the measuring cup and level off flat with a knife without packing.

← See the full Brown sugar cups to grams conversion chart