Grams to Cups

Granulated sugar Cups to Grams

Convert cups of granulated sugar to grams. One US cup of granulated sugar weighs 198g when granulated, uncompacted and measured spooned level.

1 cup of granulated sugar =

198grams

US cup / 240 ml · granulated, uncompacted · spooned level

Data last verified: August 4, 2026

Convert cups to grams


1 US cup of Granulated sugar =

198grams

About 7.0 ounces

Based on 1 US cup of Granulated sugar = 198g

Conversions are approximate and may vary by ingredient brand, packing, humidity, and measuring method.

Granulated sugar cups to grams conversion table

Open a row with its anchor link or copy the complete result for your recipe notes.

CupsGramsCopy or link to result
¼ cup49.5g
⅓ cup66g
½ cup99g
⅔ cup132g
¾ cup148.5g
1 cup198g
1½ cups297g
2 cups396g

Values use a US cup (240 ml) and are rounded to the nearest 0.1 gram when needed.

Cup type comparison

“One cup” is not a single worldwide volume. Select the standard used by your recipe.

Cup typeVolume1 cup granulated sugar
US cup / 240 ml240 ml198g
US customary cup / 236.6 ml236.6 ml195.2g
Metric cup / 250 ml250 ml206.3g

How to measure granulated sugar

Ingredient state
granulated, uncompacted
Measurement method
spooned level

Measurement notes

  • Granulated sugar pours and settles fairly consistently, so cup measurements are more reliable than flour.
  • Spoon sugar into the measuring cup and level off the top with a knife for consistent results.
  • Fine or superfine sugar packs slightly denser than standard granulated sugar, so weights can vary by a few grams.
  • A kitchen scale removes any guesswork when a recipe needs precise sugar amounts.

Sources & how they compare

The adopted value and every comparison below come from the site's versioned ingredient dataset.

SourceReported valueComparable source-cup valueTypeMeasurement methodAdopted hereChecked
King Arthur Baking — Ingredient Weight Chart198 g/1 source cup (exact volume unknown)198gDirectspooned levelAdopted2026-07-18
USDA FoodData Central — Sugars, granulated (FDC 169655)FDC ID: 169655Backup mirror reference: nutritionvalue.org mirror (backup reference)200 g/1 source cup (exact volume unknown)200gDirectnot specified2026-08-04

A comparable source-cup value only scales a half-cup or tablespoon serving to one source cup. When a source does not state the cup's exact volume, we do not present it as a fixed-milliliter normalization.

Frequently asked questions

How many grams are in 1 cup of granulated sugar?

One US cup (240 ml) of granulated sugar weighs approximately 198 grams when granulated, uncompacted and measured spooned level.

How many grams are in ½ cup of granulated sugar?

Half a US cup of granulated sugar weighs approximately 99 grams.

How should I measure granulated sugar for this conversion?

Use granulated sugar in a granulated, uncompacted state and measure it spooned level. Changing the preparation or packing method can change the weight in a cup.

Does a metric cup of granulated sugar weigh the same as a US cup?

No. A metric cup is 250 ml, while the default US cup is 240 ml. One metric cup of granulated sugar weighs approximately 206.3g.

Why can another granulated sugar cups-to-grams chart show a different number?

Cup size, ingredient state, and measuring method can all change the result. This page states all three and links the source observations used for the adopted value.

Can I convert granulated sugar from grams back to cups?

Yes. Use the linked Granulated sugar Grams to Cups page for the reverse calculation.

Convert in the other direction

Convert a gram weight of granulated sugar back into US or metric cups.