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⅓ US Cup Granulated White Sugar = 66.7g

⅓ US Cup of granulated white sugar weighs 66.7 grams (2.35 ounces or 0.15 pounds; 78.9 mL or 5.33 tablespoons in volume) when measured poured or spooned & leveled at a verified bulk density of 200g per 236.6 mL US Customary cup.

Imperial weight: 2.35 oz (0.15 lb) • Volume: 78.9 mL (5.33 tbsp)

Batch
Measuring density
Converted Measure
0.33 US cup Granulated White Sugar (poured or spooned & leveled) =
66.7 g
Physical scoop breakdown0.33 cups
1/3 cup
Edit either side to reverseGranulated Sugar chart →
Grams
66.7 g
Ounces
2.35 oz
US Cups
⅓ cup
Metric (250mL)
0.32 c
Tablespoons
5.33 tbsp
Milliliters
78.9 mL

Kitchen note: Test-kitchen baseline uses poured or spooned & leveled (200g/cup). Switching to dip scooped (210g/cup) changes each cup by 10g—use the packing toggle on the scale bench to match your recipe.

Batch Scaling Around ⅓ US Cup Granulated White Sugar

Batch scaling conversion table around ⅓ US Cup of Granulated White 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×) 33.3g (1.18 oz) 2 tbsp + 2 tsp 39.4 mL
Standard (1×) 66.7g (2.35 oz) ⅓ cup 78.9 mL
1.5× Batch 100g (3.53 oz) ½ cup 118.3 mL
Double Batch (2×) 133.3g (4.7 oz) ⅔ cup 157.7 mL
Triple Batch (3×) 200g (7.05 oz) 1 cup 236.6 mL

Measuring ⅓ US Cup of Granulated White Sugar in the Kitchen

Measured poured or spooned & leveled at a verified bulk density of 200g per US cup, ⅓ US cup of granulated white sugar weighs 66.7 grams (2.35 ounces). Measured using the dip scooped method (210g/cup), that same ⅓ cup holds 70g — a 3.3g difference in your mixing bowl.

Pour sugar directly into the measuring cup and level with a flat blade. Dry granulated sucrose crystals flow freely without trapping excessive air.

Source note: USDA FoodData Central #169655 & Domino Sugar official specification (200g/cup)

Frequently Asked Questions

How many grams is ⅓ cup of granulated white sugar? ▾

⅓ US Cup of granulated white sugar measured poured or spooned & leveled weighs 66.7 grams (2.35 ounces).

Why does granulated sugar weigh exactly 200 grams per cup? ▾

Pure sucrose crystals pack into a uniform bulk density of approximately 0.85 g/cm³, arriving reliably at 200g per US cup.

Does granulated sugar absorb moisture from the air? ▾

Yes, prolonged humidity causes surface dissolution and clumping; store in a dry, sealed airtight canister.