Convert Cups to Grams: Granulated Sugar

Convert cups of granulated sugar to grams with this complete reference table. 1 cup of granulated sugar = 200g (USDA FoodData Central, spooned-and-leveled method). Use the table below for fractions from 1/8 cup up to 4 cups. For precision baking, weight measurements in grams are always more reliable than volume measurements in cups, because granulated sugar density can vary by measuring technique.

1 cup
200g
1/2 cup
100g
2 cups
400g

Granulated Sugar Cups to Grams Table

CupsGrams
1/8 cup25g
1/4 cup50g
1/3 cup66.7g
1/2 cup100g
2/3 cup133.3g
3/4 cup150g
1 cup200g
1 1/4 cups250g
1 1/2 cups300g
2 cups400g
3 cups600g
4 cups800g

Based on USDA FoodData Central data (1 US cup = 240ml = 16 tablespoons = 48 teaspoons). Note: Granulated white sugar is the most consistent of all sugars — 1 cup = 200g regardless of spooning or packing. The uniform crystal size makes it very consistent to measure. Standard sugar for most baking recipes.

About Granulated Sugar Density

The density of granulated sugar determines how much it weighs per unit of volume. At 0.833g/ml, 1 US cup (240ml) of granulated sugar weighs 200g under USDA standard conditions.

Volume measurements can vary by ±10–20% depending on technique (sifted vs. spooned vs. scooped). For consistent baking results, use a kitchen scale with gram measurements whenever possible. The USDA standard (spooned-and-leveled) is the reference point for all values on this page.

Frequently Asked Questions

How many grams is 1 cup of granulated sugar?

1 cup of granulated sugar weighs 200 grams (USDA FoodData Central, spooned-and-leveled method, 1 US cup = 240ml).

How many grams is 1/2 cup of granulated sugar?

1/2 cup of granulated sugar weighs 100 grams.

How many grams is 1/4 cup of granulated sugar?

1/4 cup of granulated sugar weighs 50 grams.

Does measuring technique affect the weight of granulated sugar?

Yes. Sifted granulated sugar can weigh up to 20% less than packed or scooped. The USDA standard (spooned-and-leveled) of 200g/cup is the most reliable baseline.

Direct Conversion Pages for Granulated Sugar

Data source: USDA FoodData Central SR Legacy (FDC ID: 19335). View original USDA record

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