Ounces to Cups

Convert ounce to us cup instantly. Type in either field — results update live.

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Cooking Ounce US Cup

1 ounce of all-purpose flour = 0.226796185 cups

Volume↔weight conversions depend on ingredient density. Approximate — weigh for precision.

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Format

Reference conversion table

Quick lookup for ounce to us cup (ingredient-independent).

Ounce	US Cup
31.25 g	7.0873807813 us cup
41.6666666667 g	9.4498410417 us cup
62.5 g	14.1747615625 us cup
83.3333333333 g	18.8996820833 us cup
93.75 g	21.2621423438 us cup
125 g	28.349523125 us cup
187.5 g	42.5242846875 us cup
250 g	56.69904625 us cup
375 g	85.048569375 us cup

How to convert ounce to us cup

This conversion crosses volume and weight, so it depends on the ingredient. We use a US cup = 236.5882 mL and all-purpose flour ≈ 125 g per US cup.

Formula: grams = cups × 236.5882 × density, where density = 125 ÷ 236.5882 g/mL

Worked example: 1 ounce = 0.226796185 us cup (Spoon-and-level; scooped can be 140–160 g).

Accuracy notes

We use the US legal/customary cup = 236.5882 mL. Metric cups are 250 mL; UK/imperial cups are 284.131 mL — pick the matching unit in the dropdown when your recipe uses those standards.
Flour: spoon-and-level (~125 g/cup for all-purpose) vs dip-and-scoop can reach 140–160 g. Pick the flour type that matches your recipe.
Sugar: granulated, brown (packed), powdered, and caster sugar differ a lot — choose the exact ingredient in the selector.
Sticky ingredients (honey, syrup, peanut butter): lightly grease your cup or use weight for best accuracy.
All cooking conversions on this page are approximate — weigh for precision when baking matters.

Frequently asked questions

Why does cups to grams depend on the ingredient?

A cup measures volume, but grams measure mass. Different foods have different densities — 1 cup of flour weighs less than 1 cup of sugar. Select the ingredient that matches your recipe for a better estimate.

How many grams are in a cup of all-purpose flour?

For all-purpose flour, we use 125 g per US cup (236.5882 mL). So 1 ounce ≈ 0.226796185 us cup. Approximate — weigh for precision.

Is a cup 240 mL or 236 mL?

We use the US cup = 236.5882 mL (US legal/customary). Some charts round to 240 mL; metric cups are 250 mL and UK cups are 284.131 mL. Pick the unit that matches your recipe.

Is this Ounces to Cups converter private?

Yes. All calculations run locally in your browser. Nothing you type is sent to a server.

All ounce conversions

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us cup (cup) → ounce (oz)