Convert Plain Flour from Cup (US) to Ounces
How many ounces is 1 US cup of plain flour?
1 US cup of plain flour (All-Purpose Flour) is 4.74 ounces. 2 US cups of plain flour is 9.48 ounces. 1/2 US cup of plain flour is 2.37 ounces. 1/4 US cup (0.25 US cup) of plain flour is 1.19 ounces. Use the converter below for any amount.
- These figures use the US cup (240 ml). A metric cup is slightly larger at 250 ml, so it holds a little more. Use the metric cup converter →
- Cup sizes are not standard worldwide, so the same cup of an ingredient can weigh more or less depending on the country. What is a cup measurement →
- Flour settles, so a cup's weight depends on how it is filled. This page uses 140 g for a metric cup spooned and levelled. Sifted it can drop to about 125 g; scooped and packed it can reach 160 g. Weigh for the most reliable result.
More about measuring Plain Flour
Related Plain Flour Ingredients
Cake flour is softer and lower in protein than plain flour (around 7 to 9% vs 10 to 12%), giving a more tender crumb. It is lighter per cup (130 g vs 140 g); for a quick stand-in when out of cake flour, sift 1 cup of plain flour with 2 tablespoons removed and replaced with cornstarch. See our Cake Flour converter.
Bread flour carries more protein than plain flour (around 12 to 14% vs 10 to 12%), giving stronger gluten and a chewier crumb in yeasted bakes. It is slightly heavier per cup (150 g vs 140 g); swap by weight in pizza, sandwich loaves, and bagels for a more open, chewy texture. See what 1 US cup of bread flour is in ounces.
Self-raising flour is plain flour with baking powder already blended in, matched in weight per cup (140 g each). Use the self-raising flour calculator to make your own from plain flour, or swap to plain flour and add your own leavener. See what 1 US cup of self raising flour is in ounces.
Out of plain flour? See plain flour substitutes →
No measuring cups? The tool below gets you close, and a measuring cup set keeps every batch the same.
Scoop it right, get measuring cupsPlain Flour Measurement Converter
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Result
4.74 OuncesPlain Flour Calculators & Baking Tools
Working with plain flour? These tools handle the jobs a converter cannot.
- Self-Raising Flour Calculator Turn plain flour into self-raising with the right baking powder and salt.
- Pan Size Converter Rescale a recipe for a different cake tin size.
- Oven to Air Fryer Converter Match the temperature and time when you swap the oven for an air fryer, fan oven, or slow cooker.
- Recipe Scaler Scale any recipe up or down and keep every ingredient in ratio.
Common Plain Flour Conversions
Here are the most common plain flour conversions from cups (US) to ounces.
| Cups (US) | Ounces |
|---|---|
| 0.25 cups (US) | 1.19 oz |
| 0.5 cups (US) | 2.37 oz |
| 0.75 cups (US) | 3.56 oz |
| 1 cup (US) | 4.74 oz |
| 1.25 cups (US) | 5.93 oz |
| 1.5 cups (US) | 7.11 oz |
| 2 cups (US) | 9.48 oz |
| 2.5 cups (US) | 11.85 oz |
| 3 cups (US) | 14.22 oz |
For the reverse conversion, see 1 ounce of plain flour in US cups.
Frequently Asked Questions
- What is 1 US cup of plain flour in ounces?
- 1 US cup of plain flour is 4.74 ounces. The ratio is fixed, so 2 US cups of plain flour is 9.48 ounces and 0.5 US cups is 2.37 ounces. Use the converter above for any quantity, or check the conversion chart on this page for the most common amounts at a glance. Open the plain flour converter
- How many ounces is 1.5 US cups of plain flour?
- 1.5 US cups of plain flour is 7.11 ounces. The ratio is fixed, so 1 US cup of plain flour is 4.74 ounces and 2 US cups is 9.48 ounces. Type any other amount into the converter above for the exact figure, or use the chart above for the common ones.
- What is 2 US cups of plain flour in ounces?
- 2 US cups of plain flour is 9.48 ounces. Conversions scale in a straight line, so halving or doubling a recipe keeps the same ratio. 1 US cup of plain flour is 4.74 ounces, and you can multiply or divide that figure to match whatever your recipe needs. Enter any amount in the converter above for an exact ounces reading.
- How many US cups of plain flour is 4.74 ounces?
- 4.74 ounces of plain flour is 1 US cup. The conversion works the same in reverse, so you can switch between ounces and US cups without changing the result. This helps when a recipe lists US cups but you would rather weigh or measure in ounces. The converter above and the chart above cover both directions for any amount.
- What is 1/2 cup (US) plain flour in ounces?
- 1/2 US cup of plain flour is 2.37 ounces. The ratio is fixed, so 1 US cup of plain flour is 4.74 ounces and 2 US cups is 9.48 ounces. Half measures come up often when scaling a recipe down, and the figure divides cleanly. Use the converter above for any other amount, or the chart above for the common ones.