Ounces to Cups Sugar Converter

How to Convert Ounces of Sugar to Cups

To convert a sugar measurement from ounces to cups, divide the value by the conversion factor. Since one ounce of granulated sugar is equal to 0.141748 cups, you can use this formula:

The sugar in cups is equal to the ounces divided by 7.054792.

How Many Cups Are in a Ounce of Sugar?

There are 0.141748 cups in one ounce of granulated sugar.

What Is a Ounce?

The ounce (symbol: oz) is a unit of weight in the US customary and imperial systems, equal to one-sixteenth of a pound or approximately 28.35 grams. In cooking, the ounce referred to is the avoirdupois ounce (not the fluid ounce, which is a volume measure). For sugar measurement, the ounce is used as a weight measure in US recipes, particularly in professional baking where weight-based measurements are preferred. One ounce of granulated sugar equals approximately 28.35 grams, or about 6.8 teaspoons. In US nutrition labelling, serving sizes for sugar-containing products are often given in ounces. For example, a standard serving of cereal might be listed as 1 ounce (28 g), with a certain number of grams of sugar per serving. The ounce provides a convenient intermediate unit between the gram and the pound. Many US kitchen scales can display measurements in ounces, making it a practical unit for home bakers who prefer to measure by weight but are not yet comfortable with metric units. One cup of granulated sugar weighs approximately 7.05 ounces (200 grams), and a standard 4-pound bag of sugar contains 64 ounces.

One ounce of sugar is equal to:

• 28.3495 grams (g)
• 1/16 of a pound (lb)
• 0.02835 kilograms (kg)
• 6.8 teaspoons of sugar
• 2.268 tablespoons of sugar
• 0.1417 cups of sugar
• approximately 110 calories

What Is a Cup?

The cup is a US customary unit of volume and one of the most commonly used units for measuring sugar in American recipes. One US cup equals 16 tablespoons, 48 teaspoons, 8 fluid ounces, or approximately 236.6 millilitres. It is abbreviated as “c” or “C.” One cup of granulated white sugar weighs approximately 200 grams (7.05 ounces). This is significantly heavier than a cup of flour (125 grams) because sugar crystals pack more densely than flour particles. Sugar is one of the more consistent ingredients to measure by volume because the uniform crystal size of granulated sugar leads to less variation than flour. However, different types of sugar have different cup weights: Brown sugar (packed): about 200–220 grams per cup; powdered (confectioners’) sugar: about 120 grams per cup (unsifted); raw/turbinado sugar: about 200–250 grams per cup, depending on crystal size. Most American baking recipes specify sugar in cups. A standard cake recipe might call for 1–2 cups of sugar, while a batch of cookies typically uses 1/2–1 cup. The conversions in this calculator are based on granulated white sugar at 200 grams per cup.

One cup of sugar is equal to:

• 16 tablespoons
• 48 teaspoons
• 1/4 quart
• 200 grams of sugar
• 7.05 ounces of sugar
• approximately 236.6 millilitres
• approximately 774 calories

Understanding Sugar Measurements

Sugar is one of the most fundamental ingredients in cooking and baking, and accurate measurement is important for achieving the right sweetness, texture, and chemical reactions in recipes. Like other dry ingredients, sugar can be measured by volume (cups, tablespoons, teaspoons) or by weight (grams, ounces, pounds).

Unlike flour, granulated sugar measures relatively consistently by volume because its uniform crystal structure packs predictably. However, different types of sugar have significantly different densities, making weight-based measurement more reliable when precision matters.

Volume vs. Weight Measurements

Volume measurements (cups, tablespoons) measure how much space the sugar occupies, while weight measurements (grams, ounces) measure the actual mass. The conversions in this calculator use the standard density of granulated white sugar: 200 grams per cup.

• Granulated white sugar: 200 g per cup — the standard used in this converter.
• Packed brown sugar: 200–220 g per cup, depending on how firmly it is packed.
• Powdered (confectioners’) sugar (unsifted): 120 g per cup — much lighter due to fine particle size and added cornstarch.
• Raw / turbinado sugar: 200–250 g per cup, depending on crystal size.
• Caster (superfine) sugar: 200–225 g per cup — very similar to granulated.

Weight-to-weight conversions (grams to ounces, pounds to kilograms) are exact and apply to any type of sugar. Volume-to-weight conversions depend on the sugar type and packing.

Types of Sugar

• Granulated white sugar: The most common type, made from refined sugarcane or sugar beets. Fine, uniform crystals.
• Brown sugar: White sugar with molasses added back. Available in light and dark varieties. Recipes typically call for packed brown sugar.
• Powdered / confectioners’ sugar: Granulated sugar ground to a fine powder, with about 3% cornstarch added to prevent clumping. Used in icings, frostings, and dusting.
• Raw / turbinado sugar: Partially refined sugar with larger, golden crystals and a mild molasses flavour. Often used as a topping.
• Caster / superfine sugar: Finely ground granulated sugar that dissolves quickly. Preferred for meringues, cocktails, and delicate baking.
• Demerara sugar: Large, crunchy golden crystals. Popular in British baking and as a sweetener for hot beverages.

Sugar in Baking Science

Sugar does much more than sweeten in baking. It tenderises by competing with gluten-forming proteins for water, keeping baked goods soft. It aids browning through the Maillard reaction and caramelisation. It helps retain moisture, extending shelf life. In yeast breads, sugar feeds the yeast, producing carbon dioxide for rise. In meringues and whipped cream, sugar stabilises the foam structure.

Common Sugar Equivalences

• 1 cup = 16 tablespoons = 48 teaspoons = 200 grams = 7.05 ounces
• 1 quart = 4 cups = 800 grams = 1.76 pounds
• 1 pound = 16 ounces = 453.6 grams ≈ 2.27 cups
• 1 kilogram = 1,000 grams = 2.205 pounds ≈ 5 cups
• 4-pound bag = 1,814 grams ≈ 9.07 cups

Tips for Sugar Conversions

• All volume-to-weight conversions in this calculator are based on granulated white sugar at 200 grams per cup. Other sugar types (brown, powdered, raw) have different densities.
• Weight-to-weight conversions (grams to ounces, pounds to kilograms, etc.) are exact and apply to all types of sugar.
• Volume-to-volume conversions (cups to tablespoons, teaspoons to cups, etc.) are exact: 1 cup = 16 tbsp = 48 tsp, 1 quart = 4 cups.
• Brown sugar is traditionally measured “packed” — pressed firmly into the measuring cup. This gives about the same weight as granulated sugar (200–220 g per cup).
• Powdered sugar is much lighter than granulated: about 120 g per cup. Do not use granulated sugar conversion factors for powdered sugar.
• For the most accurate baking results, measure sugar by weight using a digital kitchen scale. This eliminates variation from scooping and packing differences.
• One gram of sugar contains approximately 3.87 calories (all from carbohydrates). So 1 teaspoon ≈ 16 calories and 1 cup ≈ 774 calories.
• When substituting between sugar types, adjust for both sweetness and density differences. Powdered sugar is sweeter per cup (by volume) than granulated because it packs more sugar mass per cup after accounting for the cornstarch.

Ounces to Cups Conversion Table

The following table shows conversions from ounces to cups for granulated sugar.

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