Flour cups to grams: US and 250 ml cups
One US customary cup of plain / all-purpose flour is approximately 125 g using CookBook’s ingredient-density estimate. A 250 ml metric cup is approximately 132 g. For a 250 ml cup or glass, choose Metric in the calculator. Select the flour type before converting.
Quick reference
Plain / all-purpose flour, US customary cup. Calculated with CookBook’s ingredient-density estimate, rounded to the nearest gram.
| Cups | Grams |
|---|---|
| 0.25 | ≈ 31 |
| 0.5 | ≈ 62 |
| 0.75 | ≈ 94 |
| 1 | ≈ 125 |
| 1.5 | ≈ 187 |
| 2 | ≈ 250 |
| 3 | ≈ 375 |
| 4 | ≈ 500 |
Flour cups to grams: US and 250 ml comparison
Use the column that matches your measuring cup. These are plain / all-purpose flour estimates from the same CookBook conversion values as the calculator, rounded to whole grams. Bread flour, cake flour, wholemeal flour and almond flour need their own ingredient selection.
| Cups | US cup (236.6 ml), grams | Metric cup (250 ml), grams |
|---|---|---|
| ¼ | 31 | 33 |
| ½ | 62 | 66 |
| ¾ | 94 | 99 |
| 1 | 125 | 132 |
| 1½ | 187 | 198 |
| 2 | 250 | 264 |
| 3 | 375 | 396 |
| 4 | 500 | 528 |
Convert flour grams back to cups
Choose plain / all-purpose flour, select your cup system, then use Swap units so grams are the starting unit and cups are the result. For example, 250 g is about 2 US cups or 1.9 metric cups. Keep the same flour and cup system when checking the reverse conversion.
For a different ingredient, use the ingredient weight chart. To change all the quantities in a recipe together, use the recipe servings calculator.
A little more help
Frequently asked questions
How many grams are in 1 cup of flour?
Using CookBook’s estimate, 1 US customary cup of plain / all-purpose flour is about 125 g. A 250 ml metric cup is about 132 g. Flour type and packing affect the weight; use the recipe’s own gram measurement when provided.
How many grams are in half a cup of flour?
Half a US customary cup of plain / all-purpose flour is about 62 g using CookBook’s density estimate, rounded to a whole gram. Half a 250 ml metric cup is about 66 g.
How many grams are in ¾ cup or 2 cups of flour?
Using CookBook’s plain / all-purpose flour estimate, ¾ US cup is about 94 g and 2 US cups about 250 g. For a 250 ml metric cup, the corresponding amounts are about 99 g and 264 g.
Does bread flour weigh the same as plain flour?
Not necessarily. Different flours have different density estimates. Select bread flour, cake flour, wholemeal flour or almond flour in the calculator instead of treating every flour as plain flour.
How many cups is 250 g of flour?
For plain / all-purpose flour, 250 g is about 2 US customary cups or 1.9 metric cups of 250 ml. Select the flour and cup system, then use Swap units to convert a different gram amount back to cups.
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