Grams of Sugar to Cups Converter (g to cups)
200 g of granulated sugar ≈ 1 US cup (USDA portion weight). Convert grams of white sugar to cups for metric recipes and labels, with charts.
cups = grams of sugar ÷ 200 (granulated sugar, USDA)
US customary volumes; ingredient estimates use 125 g flour, 200 g granulated sugar and 226.796185 g butter per cup. Ingredient-to-ingredient results compare equal volumes, not recipe substitutions.
Gram of Sugar (g sugar): Grams of white granulated sugar, converted at the USDA portion weight of 200 g per US cup (about 0.845 g/mL, or 12.5 g per tablespoon). Powdered and brown sugar pack differently, so these figures do not apply to them.
Cup (cup): The US customary cup used in American recipes holds 8 US fluid ounces or 16 tablespoons, exactly 236.5882365 mL. US nutrition labels round it to 240 mL, and the metric cup used in Australia and many other countries is 250 mL.
| Gram of Sugar (g sugar) | Cup (cup) |
|---|---|
| 1 | 0.005 |
| 5 | 0.025 |
| 10 | 0.05 |
| 25 | 0.125 |
| 50 | 0.25 |
| 100 | 0.5 |
Metric recipes list sugar in grams, and so do nutrition labels, which makes grams to cups the conversion for two different jobs: following a European cake recipe with US measuring cups, and picturing how much sugar a label figure really is. This converter uses 200 g per US cup of white granulated sugar, the USDA portion weight, so 100 g is half a cup and 50 g a quarter cup.
For small amounts, spoons give a better picture than fractions of a cup. At the same density a level teaspoon holds about 4.2 g and a tablespoon 12.5 g, so the 50 g Daily Value for added sugars on US labels equals 4 tablespoons, or 12 teaspoons, of granulated sugar. The assumption fits white granulated sugar only; caster, brown and powdered sugar sit differently in a cup.
How to use this tool
- Type a value in the Gram of Sugar box to see it in cups, or type in the Cup box to convert the other way.
- Press ⇄ to swap the two units, or Load example for a typical value.
- Check the charts below for common values; for other units, open the Cooking Measure converter.
Formula
cups = grams of sugar ÷ 200 (granulated sugar, USDA)
grams of sugar = cups × 200 (granulated sugar, USDA)
Both factors come from the converter's own definitions: 1 cup = 200 grams of sugar and 1 gram of sugar = 0.005 cups (shown to 12 significant digits).
Example
Two conversions worked with the same factors the converter uses:
150 g sugar = 0.75 cup
0.5 cup = 100 g sugar
Gram of Sugar to Cup chart
Common values from grams of sugar to cups, rounded to four decimal places.
| Gram of Sugar (g sugar) | Cup (cup) |
|---|---|
| 4 | 0.02 |
| 5 | 0.025 |
| 10 | 0.05 |
| 12.5 | 0.0625 |
| 20 | 0.1 |
| 25 | 0.125 |
| 30 | 0.15 |
| 36 | 0.18 |
| 40 | 0.2 |
| 50 | 0.25 |
| 60 | 0.3 |
| 75 | 0.375 |
| 80 | 0.4 |
| 90 | 0.45 |
| 100 | 0.5 |
| 120 | 0.6 |
| 125 | 0.625 |
| 150 | 0.75 |
| 175 | 0.875 |
| 200 | 1 |
| 225 | 1.125 |
| 250 | 1.25 |
| 300 | 1.5 |
| 400 | 2 |
| 500 | 2.5 |
| 1,000 | 5 |
Cup to Gram of Sugar chart
The reverse direction for values people often look up.
| Cup (cup) | Gram of Sugar (g sugar) |
|---|---|
| 0.0208 | 4.1667 |
| 0.0625 | 12.5 |
| 0.125 | 25 |
| 0.25 | 50 |
| 0.3333 | 66.6667 |
| 0.5 | 100 |
| 0.6667 | 133.3333 |
| 0.75 | 150 |
| 1 | 200 |
| 1.5 | 300 |
| 2 | 400 |
Sugar weights on labels and packs
| Amount | Gram of Sugar (g sugar) | Cup (cup) |
|---|---|---|
| WHO's stricter free-sugar target, roughly | 25 | 0.125 |
| Ounce of sugar | 28.3495 | 0.1417 |
| FDA Daily Value for added sugars | 50 | 0.25 |
| Pound of sugar, as in a traditional pound cake | 453.5924 | 2.268 |
| Sugar bag, a common size in the UK and Europe | 1,000 | 5 |
| US 4 lb bag of granulated sugar | 1,814.37 | 9.0718 |
Quick mental estimate
Halve the grams and divide by 100: 150 g → 75 → 0.75 cup, and 350 g → 175 → 1.75 cups. Dividing by 200 this way is exact for the converter's figure, so the chart and the shortcut agree.
Use the converter or the charts when the exact figure matters.
The two units
Gram of Sugar (g sugar): Grams of white granulated sugar, converted at the USDA portion weight of 200 g per US cup (about 0.845 g/mL, or 12.5 g per tablespoon). Powdered and brown sugar pack differently, so these figures do not apply to them.
Cup (cup): The US customary cup used in American recipes holds 8 US fluid ounces or 16 tablespoons, exactly 236.5882365 mL. US nutrition labels round it to 240 mL, and the metric cup used in Australia and many other countries is 250 mL.
Frequently asked questions
How many cups is 100 g of sugar?
Half a US cup, using 200 g per cup for granulated sugar. That is also 8 tablespoons, the same volume as one stick of butter.
How do I measure caster sugar from a British recipe?
Weigh it if you can. Caster sugar has finer crystals than US granulated sugar, so it may not fill a cup the same way, and this converter has no separate figure for it. Superfine sugar is the closest match on American shelves.
How many teaspoons of sugar are in 25 g?
Six level teaspoons at this converter's density of about 4.17 g per teaspoon. WHO puts its stricter target, free sugars below 5% of daily energy, at roughly 25 g or about 6 teaspoons a day for an adult of normal weight.
How precise is the result?
The converter uses the exact definitions above with browser floating-point arithmetic and shows up to 12 significant digits. The charts round to four decimal places for reading.
Sources
Last updated:
Page address with these inputs: https://kakao.mobile/tools/gram-sugar-to-cup-converter/
Cite or embed this tool
kakaoCalc. (2026, November 8). Grams of Sugar to Cups Converter (g to cups). https://kakao.mobile/tools/gram-sugar-to-cup-converter/
“Grams of Sugar to Cups Converter (g to cups).” kakaoCalc, 8 Nov. 2026, kakao.mobile/tools/gram-sugar-to-cup-converter/.
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