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Caster sugar - Ounces to Cups Calculator | Caster sugar - Ounces to Cups Chart

4 Ounces of Caster Sugar in Cups

4 ounces of caster sugar equals 0.567 ( ~ 1/2) cups*

0.567cups
~ 1/2cups
9.08tablespoons
7.05ounces per cup

Density-based conversion — ingredient densities cross-checked against the FAO/INFOODS density database and USDA FoodData Central. The exact weight varies slightly with brand and packing. How we calculate · Reviewed August 21, 2026.

Convert cups of caster sugar to ounces instead →

See the full ounces to cups chart for caster sugar →

?Notes: results are rounded (by default) to 3 significant figures. Cooking conversions use standard ingredient densities — the exact weight varies slightly with the brand and how tightly the ingredient is packed ☺.
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Significant Figures:

Results

4 ounces of caster sugar equals 0.567 ( ~ 1/2) cups.

Explanation:

One ounce of caster sugar equals 0.142 cups.

So, multiply the value 4 ounces by 0.142 to get 0.567 cups.

How to convert ounces of caster sugar to cups? 1 ounce of caster sugar ≈ 0.142 cups.

Ounces of caster sugar equivalent in cups?

FAQs on caster sugar weight to volume conversion

Is 4 ounces of caster sugar 0.567 cups?

Yes — 4 ounces of caster sugar equals 0.567 ( ~ 1/2) cups, based on a density of 0.845 g/ml.

4 ounces of caster sugar equals how many cups?

4 ounces of caster sugar is equivalent 0.567 ( ~ 1/2) cups.

How much is 0.567 cups of caster sugar in ounces?

0.567 cups of caster sugar equals 4 ounces.

Caster Sugar Conversion Chart Near 2.8 Ounces

Ounces to Cups of Caster sugar
2.8 ounces0.397 ( ~ 1/3) cups
2.9 ounces0.411 ( ~ 1/3) cups
3 ounces0.425 ( ~ 1/2) cups
3.1 ounces0.44 ( ~ 1/2) cups
3.2 ounces0.454 ( ~ 1/2) cups
3.3 ounces0.468 ( ~ 1/2) cups
3.4 ounces0.482 ( ~ 1/2) cups
3.5 ounces0.496 ( ~ 1/2) cups
3.6 ounces0.511 ( ~ 1/2) cups
3.7 ounces0.525 ( ~ 1/2) cups
3.8 ounces0.539 ( ~ 1/2) cups
3.9 ounces0.553 ( ~ 1/2) cups
4 ounces0.567 ( ~ 1/2) cups
4.1 ounces0.581 ( ~ 1/2) cups
4.2 ounces0.596 ( ~ 2/3) cups
4.3 ounces0.61 ( ~ 2/3) cups
4.4 ounces0.624 ( ~ 2/3) cups
4.5 ounces0.638 ( ~ 2/3) cups
4.6 ounces0.652 ( ~ 2/3) cups
4.7 ounces0.666 ( ~ 2/3) cups
4.8 ounces0.681 ( ~ 2/3) cups
4.9 ounces0.695 ( ~ 2/3) cups
5 ounces0.709 ( ~ 3/4) cups
5.1 ounces0.723 ( ~ 3/4) cups
5.2 ounces0.737 ( ~ 3/4) cups

Note: Values are rounded to 3 significant figures. Fractions are rounded to common recipe fractions (1/8, 1/4, 1/3, 1/2, 2/3, 3/4…).

Weight to Volume Conversions - Recipes

A note on cooking ingredients measurements

Notes: results are rounded (by default) to 3 significant figures. Cooking conversions use standard ingredient densities — the exact weight varies slightly with the brand and how tightly the ingredient is packed ☺.