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100 mL Dark Brown Sugar = 90g

100 mL of dark brown sugar weighs 90 grams (3.18 ounces or 0.2 pounds; 100 mL or 6.76 tablespoons in volume) when measured firmly packed at a verified bulk density of 213g per 236.6 mL US Customary cup.

Imperial weight: 3.18 oz (0.2 lb) • Volume: 100 mL (6.76 tbsp)

Batch
Measuring density
Converted Measure
100 mL Dark Brown Sugar (firmly packed) =
90 g
Physical scoop breakdown0.42 cups
1/3 cup
1 tbsp
1 ¼ tsp
Edit either side to reverseDark Brown Sugar chart →
Grams
90 g
Ounces
3.18 oz
US Cups
⅓ cup + 1 tbsp + 1 ¼ tsp
Metric (250mL)
0.4 c
Tablespoons
6.76 tbsp
Milliliters
100 mL

Kitchen note: Test-kitchen baseline uses firmly packed (213g/cup). Switching to unpacked / loose (150g/cup) changes each cup by 63g—use the packing toggle on the scale bench to match your recipe.

Batch Scaling Around 100 mL Dark Brown Sugar

Batch scaling conversion table around 100 mL of Dark Brown Sugar (0.5× to 3× recipe batches in grams, ounces, US cups, and milliliters)
Batch Scale Weight (g / oz) US Cups & Spoons Metric (mL)
Half Batch (0.5×) 45g (1.59 oz) 3 tbsp + 1 ¼ tsp 50 mL
Standard (1×) 90g (3.18 oz) ⅓ cup + 1 tbsp + 1 ¼ tsp 100 mL
1.5× Batch 135g (4.76 oz) ½ cup + 2 tbsp + ½ tsp 150 mL
Double Batch (2×) 180.1g (6.35 oz) ¾ cup + 1 tbsp + 1 ½ tsp 200 mL
Triple Batch (3×) 270.1g (9.53 oz) 1 ¼ cups + ¾ tsp 300 mL

Measuring 100 mL of Dark Brown Sugar in the Kitchen

Measured firmly packed at a verified bulk density of 213g per US cup, 100 mL of dark brown sugar weighs 90 grams (3.18 ounces). Measured using the unpacked / loose method (150g/cup), that same 100 mL holds 63.4g — a 26.6g difference in your mixing bowl.

Pack firmly into the measuring cup to press out all air pockets. Dark brown sugar contains approximately 6.5% molasses, making it denser and stickier than light brown sugar.

Source note: King Arthur Baking standard (213g/cup packed) & USDA FDC #169657

Frequently Asked Questions

How many grams is 100 mL of dark brown sugar? ▾

100 mL of dark brown sugar measured firmly packed weighs 90 grams (3.18 ounces).

What is the culinary difference between light and dark brown sugar? ▾

Dark brown sugar has nearly double the molasses content, imparting deeper caramel flavor, darker color, and higher acidity.

Can I swap dark brown sugar for light brown sugar 1:1 by weight? ▾

Yes, substitute gram for gram; recipes will bake with slightly more moisture and a pronounced molasses aroma.