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100 mL Light Brown Sugar = 84.5g

100 mL of light brown sugar weighs 84.5 grams (2.98 ounces or 0.19 pounds; 100 mL or 6.76 tablespoons in volume) when measured firmly packed at a verified bulk density of 200g per 236.6 mL US Customary cup.

Imperial weight: 2.98 oz (0.19 lb) • Volume: 100 mL (6.76 tbsp)

Batch
Measuring density
Converted Measure
100 mL Light Brown Sugar (firmly packed) =
84.5 g
Physical scoop breakdown0.42 cups
1/3 cup
1 tbsp
1 ¼ tsp
Edit either side to reverseLight Brown Sugar chart →
Grams
84.5 g
Ounces
2.98 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 (200g/cup). Switching to loosely spooned (unpacked) (145g/cup) changes each cup by 55g—use the packing toggle on the scale bench to match your recipe.

Batch Scaling Around 100 mL Light Brown Sugar

Batch scaling conversion table around 100 mL of Light 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×) 42.3g (1.49 oz) 3 tbsp + 1 ¼ tsp 50 mL
Standard (1×) 84.5g (2.98 oz) ⅓ cup + 1 tbsp + 1 ¼ tsp 100 mL
1.5× Batch 126.8g (4.47 oz) ½ cup + 2 tbsp + ½ tsp 150 mL
Double Batch (2×) 169.1g (5.96 oz) ¾ cup + 1 tbsp + 1 ½ tsp 200 mL
Triple Batch (3×) 253.6g (8.95 oz) 1 ¼ cups + ¾ tsp 300 mL

Measuring 100 mL of Light Brown Sugar in the Kitchen

Measured firmly packed at a verified bulk density of 200g per US cup, 100 mL of light brown sugar weighs 84.5 grams (2.98 ounces). Measured using the loosely spooned (unpacked) method (145g/cup), that same 100 mL holds 61.3g — a 23.2g difference in your mixing bowl.

Press sugar firmly into the dry measuring cup with your fingers or a spoon until it holds the shape of the cup when inverted.

Source note: USDA FoodData Central #169656 & Domino Sugar standard packed weight

Frequently Asked Questions

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

100 mL of light brown sugar measured firmly packed weighs 84.5 grams (2.98 ounces).

Why must brown sugar always be firmly packed into the cup? ▾

Molasses film creates friction that traps irregular air pockets; packing eliminates voids to give consistent weight.

How can you soften rock-hard brown sugar quickly? ▾

Microwave in a bowl covered with a damp paper towel in 20-second bursts to restore humidity quickly.