Kitchen conversions · Flour and starch

How many grams in a cup of all-purpose flour?

One cup of all-purpose flour weighs about 125 g; a tablespoon 7.8 g and a teaspoon 2.6 g.

Convert all-purpose flour

Cups, spoons or milliliters to grams, or grams and ounces back to cups.

1 cup all-purpose flour ≈ 125 g

1 cup of all-purpose flour weighs 125 g; 1 tbsp 7.8 g; 1 tsp 2.6 g.

Stir the flour in its bag to loosen it.
Spoon it into the cup until it mounds, without tapping or shaking.
Level it with the back of a knife. Scooping straight from the bag packs in more.
For the same result every time, weigh it: put the bowl on the scale, press tare, then add all-purpose flour to the weight above.

USDA FoodData Central (public domain): Wheat flour, white, all-purpose, enriched, bleached (FDC 168894), from the food's own measured cup, tablespoon or teaspoon weight. A US cup is 236.6 ml.