Ounces to Cups Converter

One cup of all-purpose flour weighs 4.41 ounces, meaning 8 ounces of flour equals 1.81 cups (1 ¾ cups plus 1 tbsp).

Use our interactive calculator below to perform instant conversions, inspect reference tables, and view worked formulas for precision baking.

Ounces to Cups Converter

Perform instant live conversions for ounces to cups across 540+ baking ingredients.

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Brand Density & Package OverrideKing Arthur Baking

Custom package weights override standard database densities for this session without altering official database records.

Calculated Conversion Output
1 cup
1 cup
125 grams (125.0g)
Basis: 1 US Customary Cup (236.59 ml) = 125g (All-Purpose Flour)
1 Cup Measuring Container
1 Cup¾½¼
Cross-Unit Equivalent Strip
Tablespoons16 tbsp
Teaspoons48 tsp
Ounces4.41 oz
Millilitres236.6 ml
Butter SticksN/A
Pounds0.28 lbs
Recent Session Conversions (In-Memory):
Perform a conversion above to track recent session items.

Mathematical Formula & Step-by-Step Example

Cups = Weight in Ounces ÷ (Ingredient Density in Grams per US Cup ÷ 28.3495)

Worked Step-by-Step Example

To convert 8 ounces of granulated sugar (density 7.05 oz/cup): 8 oz ÷ 7.05 oz/cup = 1.13 cups.

Ounces to Cups Converter Reference Matrix

Ounces to Cups Converter pre-calculated values for common recipe amounts.

Input Amount (ounces)Converted Result (cups)Culinary Usage Note
1 oz0.23 cups (AP Flour) / 0.14 cups (Sugar)Standard kitchen recipe portion
2 oz0.45 cups (AP Flour) / 0.28 cups (Sugar)Standard kitchen recipe portion
3 oz0.68 cups (AP Flour) / 0.43 (Sugar)Standard kitchen recipe portion
4 oz (¼ lb)0.91 cups (AP Flour) / 0.57 cups (Sugar)Standard kitchen recipe portion
4.41 oz (1 cup flour)1.00 cup (AP Flour) / 0.63 cups (Sugar)Standard kitchen recipe portion
5 oz1.13 cups (AP Flour) / 0.71 cups (Sugar)Standard kitchen recipe portion
6 oz1.36 cups (AP Flour) / 0.85 cups (Sugar)Standard kitchen recipe portion
7.05 oz (1 cup sugar)1.60 cups (AP Flour) / 1.00 cup (Sugar)Standard kitchen recipe portion
8 oz (½ lb / 1 cup butter)1.81 cups (AP Flour) / 1.13 cups (Sugar)Standard kitchen recipe portion
10 oz2.27 cups (AP Flour) / 1.42 cups (Sugar)Standard kitchen recipe portion
12 oz (¾ lb)2.72 cups (AP Flour) / 1.70 cups (Sugar)Standard kitchen recipe portion
14 oz3.18 cups (AP Flour) / 1.98 cups (Sugar)Standard kitchen recipe portion
16 oz (1 lb)3.63 cups (AP Flour) / 2.27 cups (Sugar)Standard kitchen recipe portion
20 oz4.54 cups (AP Flour) / 2.83 cups (Sugar)Standard kitchen recipe portion
24 oz (1.5 lbs)5.44 cups (AP Flour) / 3.40 cups (Sugar)Standard kitchen recipe portion
32 oz (2 lbs)7.26 cups (AP Flour) / 4.54 cups (Sugar)Standard kitchen recipe portion
40 oz (2.5 lbs)9.07 cups (AP Flour) / 5.67 cups (Sugar)Standard kitchen recipe portion
48 oz (3 lbs)10.89 cups (AP Flour) / 6.81 cups (Sugar)Standard kitchen recipe portion
64 oz (4 lbs)14.51 cups (AP Flour) / 9.07 cups (Sugar)Standard kitchen recipe portion
80 oz (5 lbs)18.14 cups (AP Flour) / 11.34 cups (Sugar)Standard kitchen recipe portion

20-Ingredient Density Variance Comparison Table

Demonstrating how different ingredient densities change the volume and mass relationships for this conversion.

Ingredient NameCategoryUS Cup DensityConversion Output
All-Purpose Flourflours-and-starches125g / US Cup1.81 cups
Bread Flourflours-and-starches130g / US Cup1.74 cups
Cake Flourflours-and-starches115g / US Cup1.97 cups
Whole Wheat Flourflours-and-starches120g / US Cup1.89 cups
Almond Flourflours-and-starches112g / US Cup2.02 cups
Granulated Sugarsugars-and-sweeteners200g / US Cup1.13 cups
Packed Brown Sugarsugars-and-sweeteners220g / US Cup1.03 cups
Powdered Sugar (Confectioners)sugars-and-sweeteners120g / US Cup1.89 cups
Butter (Softened / Sticks)fats-and-oils227g / US Cup1.00 cups
Vegetable / Canola Oilfats-and-oils218g / US Cup1.04 cups
Olive Oilfats-and-oils216g / US Cup1.05 cups
Water (Pure / Filtered)liquids237g / US Cup0.96 cups
Whole Milk (3.25%)dairy-and-eggs245g / US Cup0.93 cups
Heavy Whipping Cream (36%)dairy-and-eggs238g / US Cup0.95 cups
Rolled Oats (Old-Fashioned)grains-and-rice90g / US Cup2.52 cups
Uncooked White Ricegrains-and-rice185g / US Cup1.23 cups
Unsweetened Cocoa Powderchocolate-and-cocoa85g / US Cup2.67 cups
Honeysugars-and-sweeteners340g / US Cup0.67 cups
Pure Maple Syrupsugars-and-sweeteners322g / US Cup0.70 cups
Cornstarch (Corn Flour)flours-and-starches112g / US Cup2.02 cups

Understanding Ounces to Cups Converter in Professional Baking

Converting dry weight ounces to cups translates commercial package weights (like 16 oz flour bags or 8 oz chocolate chip bags) into recipe cup portions.

One net weight ounce equals 28.3495 grams. Because 1 cup of AP flour weighs 4.41 oz (125g), a 16 oz bag yields about 3.63 cups of flour.

Our converter computes exact cup equivalents across all 540+ ingredients, giving you precise volumetric yield from packaged weights.

Frequently Asked Questions

How many cups is 8 oz of flour?

8 ounces (weight) of all-purpose flour equals approximately 1.81 cups (about 1 ¾ cups).

How many cups is 8 oz of chocolate chips?

8 ounces of chocolate chips equals approximately 1.33 cups (1 ⅓ cups).

Is 8 ounces of liquid the same as 1 cup?

Yes for fluid ounces (8 fl oz = 1 cup water). But dry net weight ounces depend entirely on ingredient density.

How many cups is a 16 oz bag of powdered sugar?

A 1-pound (16 oz) package of unsifted powdered sugar equals approximately 3.78 cups (about 3 ¾ cups).

Related Culinary Calculators & Tools

Source & Editorial Integrity:USDA FoodData Central / NIST SP 330

Calculations on this page are strictly audited against official USDA bulk density metrics, NIST physical constants, and professional baking references. Reviewed by master bakers for culinary accuracy and kitchen scale safety.