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¾ US Cup Light Brown Sugar = 150g

¾ US Cup of light brown sugar weighs 150 grams (5.29 ounces or 0.33 pounds; 177.4 mL or 12 tablespoons in volume) when measured firmly packed at a verified bulk density of 200g per 236.6 mL US Customary cup.

Imperial weight: 5.29 oz (0.33 lb) • Volume: 177.4 mL (12 tbsp)

Batch
Measuring density
Converted Measure
0.75 US cup Light Brown Sugar (firmly packed) =
150 g
Physical scoop breakdown0.75 cups
1/2 cup
1/4 cup
Edit either side to reverseLight Brown Sugar chart →
Grams
150 g
Ounces
5.29 oz
US Cups
¾ cup
Metric (250mL)
0.71 c
Tablespoons
12 tbsp
Milliliters
177.4 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 ¾ US Cup Light Brown Sugar

Batch scaling conversion table around ¾ US Cup 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×) 75g (2.65 oz) ⅓ cup + 2 tsp 88.7 mL
Standard (1×) 150g (5.29 oz) ¾ cup 177.4 mL
1.5× Batch 225g (7.94 oz) 1 ⅛ cups 266.2 mL
Double Batch (2×) 300g (10.58 oz) 1 ½ cups 354.9 mL
Triple Batch (3×) 450g (15.87 oz) 2 ¼ cups 532.3 mL

Measuring ¾ US Cup of Light Brown Sugar in the Kitchen

Measured firmly packed at a verified bulk density of 200g per US cup, ¾ US cup of light brown sugar weighs 150 grams (5.29 ounces). Measured using the loosely spooned (unpacked) method (145g/cup), that same ¾ cup holds 108.8g — a 41.3g 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 ¾ cup of light brown sugar? ▾

¾ US Cup of light brown sugar measured firmly packed weighs 150 grams (5.29 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.