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How Much Is 31.75 Ounces of Powdered Sugar in Cups?

31.75 ounces of powdered sugar equals 7.50 cups. Powdered sugar has a density of 120g per cup. A lighter ingredient like cocoa powder (86g/cup) would fill even more volume at the same weight, which is why ingredient-specific conversions matter.

31.75 ounces of powdered sugar
=
7.50cups
Result using all cup standards info
7.50 cups (US) 7.10 cups (Metric Cup) 6.25 cups (Imperial Cup)
7.50

Formula and Step-by-Step

(ounces × 28.35g/oz) ÷ 120g/cup = cups
  1. Start with 31.75 ounces of powdered sugar
  2. Convert ounces to grams: 31.75 × 28.35 = 900.10g
  3. 1 cup of powdered sugar = 120g
  4. 900.10g ÷ 120g/cup = 7.50 cups

The same formula works for any amount. Multiply (or divide) by the density, then convert units as needed.

Measuring Tip

Powdered sugar clumps easily. Sift before measuring by volume, or weigh to avoid the sifted-vs-unsifted ambiguity entirely.

Powdered Sugar at Different Amounts

How powdered sugar scales across common ounces measurements. Your amount (31.75 ounces) is highlighted.

4 oz0.94 cups5 oz1.18 cups6 oz1.42 cups8 oz1.89 cups10 oz2.36 cups12 oz2.83 cups16 oz3.78 cups31.75 oz7.50 cups

Other Amounts of Powdered Sugar

Ounces US Cups Metric Cup Imperial Cup
1 ounce 0.24 cups 0.22 cups 0.20 cups
2 ounces 0.47 cups 0.45 cups 0.39 cups
3 ounces 0.71 cups 0.67 cups 0.59 cups
4 ounces 0.94 cups 0.89 cups 0.79 cups
5 ounces 1.18 cups 1.12 cups 0.98 cups
6 ounces 1.42 cups 1.34 cups 1.18 cups
8 ounces 1.89 cups 1.79 cups 1.57 cups
10 ounces 2.36 cups 2.24 cups 1.97 cups
12 ounces 2.83 cups 2.68 cups 2.36 cups
16 ounces 3.78 cups 3.58 cups 3.15 cups
31.75 ounces 7.50 cups 7.10 cups 6.25 cups

Understanding the Units

What is an Ounce?

Ounces are commonly used in US recipes for cheese, meat, chocolate, and other ingredients sold by weight. Many kitchen scales offer both gram and ounce readings.

What is a Cup?

A cup is a US customary unit of volume equal to 236.588 milliliters or 8 fluid ounces. It is the most common volume measurement in American recipes. One cup can be divided into 16 tablespoons or 48 teaspoons.

Frequently Asked Questions

About 7.50 cups, based on powdered sugar having a density of 120g per cup. The exact amount depends on how the ingredient is measured and the specific product.
First convert ounces to grams (1 ounce = 28.3495g), then divide by 120 (grams per cup). For 31.75 ounces: 31.75 × 28.3495 = 900.10g, then 900.10 ÷ 120 = 7.50 cups.
For the most accurate results, weigh powdered sugar on a kitchen scale. If measuring by volume, spoon the ingredient into the measuring cup and level it off with a straight edge rather than scooping directly.
Granulated and powdered sugars should be spooned into the measuring cup and leveled off. Do not pack them unless the recipe specifically says to.
Reverse the conversion: 7.50 cups × 120g/cup = 900.10g, then 900.10g ÷ 28.3495 = 31.75 ounces. Or use the Cups to Ounces converter.