Ingredient conversion
1 cup caster sugar to grams
1 US cup of caster sugar = 200 grams.
This uses the standard dry measure. Switch to metric, Australian/South African or imperial cup sizes in the converter below.
This uses the standard dry measure. Switch to metric, Australian/South African or imperial cup sizes in the converter below.
Instant baking converter
Convert by ingredient, cup size and unit. Works with decimals and fractions like 1 1/2 or ¾.
Type 1/2, ¾, 1.5, or pick one.
Calculating…
Why this matters: A cup of flour, sugar, butter and honey do not weigh the same.
Caster sugar cup to gram chart
| Cups | Grams |
|---|---|
| 1/4 cup caster sugar | 50g |
| 1/3 cup caster sugar | 66.7g |
| 1/2 cup caster sugar | 100g |
| 2/3 cup caster sugar | 133.3g |
| 3/4 cup caster sugar | 150g |
| 1 cup caster sugar | 200g |
| 2 cup caster sugar | 400g |
| 3 cup caster sugar | 600g |
Accuracy note
For baking, small measuring differences can affect texture. If a recipe is precise, weigh caster sugar in grams rather than relying only on volume.
FAQ
How many grams is 1 cup of caster sugar?
1 US cup of caster sugar is 200 grams using the standard dry measure.
Why can caster sugar conversions vary?
Cups measure volume, grams measure weight. Different cup sizes and measuring methods can change the result, especially for dry ingredients.
Should I use grams or cups for baking?
Grams are usually more reliable because weighing removes variation from scooping, packing and cup size.