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How Much Is 1 Cup of Cake Flour in Ounces?

Converting 1 cup of cake flour to ounces gives 4.02 oz. One cup of cake flour weighs 114g (4.02 oz). This conversion is specific to cake flour because each ingredient has a different density.

1 cup of cake flour
=
4.02oz
Result using all cup standards info
4.02 oz (US) 4.25 oz (Metric Cup) 4.83 oz (Imperial Cup)
1 cup of cake flour is also
4.02

Formula and Step-by-Step

cups × 114g/cup ÷ 28.3495g/oz = ounces
  1. Start with 1 cup of cake flour
  2. 1 cup of cake flour = 114g
  3. 1 × 114 = 114g
  4. Convert grams to ounces: 114 ÷ 28.3495 = 4.02 oz

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

Measuring Tip

For the most consistent results, weigh cake flour on a kitchen scale. Volume measurements can vary by 20-30% depending on how the flour is scooped.

Cake Flour at Different Amounts

How cake flour scales across common cups measurements. Your amount (1 cup) is highlighted.

0.25 cups1.01 oz0.33 cups1.33 oz0.5 cups2.01 oz0.75 cups3.02 oz1 cup4.02 oz1.5 cups6.03 oz2 cups8.04 oz3 cups12.06 oz

For reference, 1 cup of cake flour (114g) is close in weight to a bar of soap (113g).

Other Amounts of Cake Flour

Cups US Ounces Metric Cup Imperial Cup
0.25 cups 1.01 oz 1.06 oz 1.21 oz
0.33 cups 1.33 oz 1.40 oz 1.59 oz
0.5 cups 2.01 oz 2.12 oz 2.41 oz
0.75 cups 3.02 oz 3.19 oz 3.62 oz
1 cup 4.02 oz 4.25 oz 4.83 oz
1.5 cups 6.03 oz 6.37 oz 7.24 oz
2 cups 8.04 oz 8.50 oz 9.66 oz
3 cups 12.06 oz 12.75 oz 14.49 oz
4 cups 16.08 oz 17.00 oz 19.32 oz
5 cups 20.11 oz 21.25 oz 24.15 oz

Understanding the Units

What is a Cup?

There are three cup standards used worldwide. The US cup (236.588 ml) is used in American recipes. The metric cup (250 ml) is standard in Australia, New Zealand, and some parts of Asia. The imperial cup (284.131 ml) appears in older British and Canadian recipes. A metric cup holds about 5.7% more than a US cup, while an imperial cup holds about 20% more. Using the wrong standard can noticeably affect a recipe.

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.

Frequently Asked Questions

About 4.02 oz, based on cake flour having a density of 114g per cup. The exact amount depends on how the ingredient is measured and the specific product.
Multiply the number of cups by 114 (grams per cup for cake flour), then divide by 28.3495 to convert grams to ounces. For 1 cup: 1 × 114 = 114g, then 114 ÷ 28.3495 = 4.02 oz.
For the most accurate results, weigh cake flour on a kitchen scale. If measuring by volume, sift or whisk first to break up clumps, then spoon into the measuring cup and level off. Do not scoop directly from the bag.
Yes, quite a bit. If you spoon the flour into your measuring cup and level it off, you will get about 114 grams per cup. If you dip directly into the flour bag and sweep level, the flour packs tighter and you can end up with 125.4 to 142.5 grams per cup instead. This conversion uses the spoon-and-level method, which is the standard most baking references follow.
Reverse the conversion: 4.02 oz × 28.3495 = 114g, then 114g ÷ 114 = 1 cup. Or use the Ounces to Cups converter.