Convert Plain Flour from Cup

How much is 1 cup of plain flour?

1 cup of plain flour (All-Purpose Flour) is 140 grams, about 4.94 ounces. 0.5 cups of plain flour is 70 grams and 2 cups is 280 grams. Use the converter below for any amount.

  • 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.

Plain flour (also known as all-purpose flour) is one of the most commonly used ingredients in baking and cooking. It has a moderate protein content, making it versatile enough for pastries, breads, sauces, and coatings. In the UK, Australia, and New Zealand, it’s called plain flour, while in the US and Canada, it’s known as all-purpose flour.

Since different countries use different measurement systems (and flour can settle when scooped), converting between grams, cups, and tablespoons helps ensure your recipes turn out just right. Use this page to easily convert plain flour for any recipe.

Also known as

  • All-Purpose 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 cake flour in cups.

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 bread flour in cups.

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 self raising flour in cups.

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 cups

Plain Flour Measurement Converter

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Plain Flour Calculators & Baking Tools

Working with plain flour? These tools handle the jobs a converter cannot.

Common Plain Flour Conversions

Here are the most common plain flour conversions from cups to grams.

CupsGrams
0.25 cups35 g
0.5 cups70 g
0.75 cups105 g
1 cup140 g
1.25 cups175 g
1.5 cups210 g
2 cups280 g
2.5 cups350 g
3 cups420 g

Plain Flour Conversion Chart

The conversion chart below gives a quick reference for converting plain flour from Cup to other measurements.

cupgramsounceslbkgcup(US)tbsptsp
0.25 cup35 g1.23 oz0.08 lb0.04 kg0.26 cup (US)4.17 tbsp12.5 tsp
0.5 cup70 g2.47 oz0.15 lb0.07 kg0.52 cup (US)8.33 tbsp25 tsp
1 cup140 g4.94 oz0.31 lb0.14 kg1.04 cup (US)16.67 tbsp50 tsp
2 cup280 g9.88 oz0.62 lb0.28 kg2.08 cup (US)33.33 tbsp100 tsp

Frequently Asked Questions

How much is 1 cup of plain flour?
1 cup of plain flour is 140 grams, or 4.94 ounces. The ratio is fixed, so 0.5 cups of plain flour is 70 grams and 2 cups is 280 grams. Whatever unit your recipe uses, enter the amount in the converter above or read the conversion chart on this page for the most common quantities. Open the plain flour converter
How many grams is 1 cup of plain flour?
1 cup of plain flour is 140 grams. The conversion scales in a straight line, so 0.5 cups is 70 grams and 2 cups is 280 grams. Multiply or divide that figure to match whatever your recipe needs, or use the converter above for an exact grams reading at any amount. 1 cup plain flour in grams
How many cups of plain flour is 140 grams?
140 grams of plain flour is 1 cup. The conversion works the same in reverse, so you can switch between cups and grams without changing the result. This helps when a recipe lists one unit but you would rather measure in the other. The converter above and the chart below cover both directions for any amount.
What is 1 cup of plain flour in ounces?
1 cup of plain flour is 4.94 ounces. The ratio is fixed, so 0.5 cups is 2.47 ounces and 2 cups is 9.88 ounces. Use the converter above for any other amount, or see the chart on this page for the common quantities at a glance. 1 cup plain flour in ounces
How do cups and tablespoons compare as units?
Cups and tablespoons are both volume units, so the conversion between them does not vary by ingredient. One metric cup holds about 16.67 tablespoons or 50 teaspoons, and the ratio stays fixed regardless of what you are measuring. The volume converter handles any amount between cups, tablespoons, teaspoons, and millilitres. Cups to tablespoons
Why does a cup of flour vary in weight?
Flour compresses easily, so how you fill the cup changes the weight. Spooned lightly and levelled, a metric cup of plain flour is about 140 grams. Sifted first it can fall to around 125 grams, while scooping straight from the bag and packing it down can push it to 160 grams. For consistent baking, weigh flour on a scale rather than measuring by cup.

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