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Pastry flour — Cups to Grams

One US cup of pastry flour weighs about 106 grams. That makes it lighter than all-purpose flour, which is 120 grams per cup. Pastry flour is soft and low in protein, so it settles lighter in the cup than all-purpose flour. Use the converter below to switch pastry flour between cups, grams, ounces, tablespoons and millilitres — or read the full chart underneath.

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Pastry flour conversion chart

Pastry flour — cups to grams chart
Cups	Grams	Ounces	Tablespoons	Millilitres
⅛ cup	13.25 g	0.467 oz	2	29.57 ml
¼ cup	26.5 g	0.935 oz	4	59.15 ml
⅓ cup	35.33 g	1.25 oz	5.33	78.86 ml
½ cup	53 g	1.87 oz	8	118.3 ml
⅔ cup	70.67 g	2.49 oz	10.67	157.7 ml
¾ cup	79.5 g	2.8 oz	12	177.4 ml
1 cup	106 g	3.74 oz	16	236.6 ml
1¼ cups	132.5 g	4.67 oz	20	295.7 ml
1½ cups	159 g	5.61 oz	24	354.9 ml
2 cups	212 g	7.48 oz	32	473.2 ml
3 cups	318 g	11.22 oz	48	709.8 ml

Grams to cups: pastry flour

Pastry flour — grams to cups chart
Grams	Cups	Ounces	Tablespoons
10 g	0.094	0.353 oz	1.51
25 g	0.236	0.882 oz	3.77
50 g	0.472	1.76 oz	7.55
75 g	0.708	2.65 oz	11.32
100 g	0.943	3.53 oz	15.09
125 g	1.18	4.41 oz	18.87
150 g	1.42	5.29 oz	22.64
200 g	1.89	7.05 oz	30.19
250 g	2.36	8.82 oz	37.74
300 g	2.83	10.58 oz	45.28
400 g	3.77	14.11 oz	60.38
500 g	4.72	17.64 oz	75.47

How to measure pastry flour

Pastry flour is soft and low in protein, so it settles lighter in the cup than all-purpose flour.

Because a cup measures volume rather than weight, the most reliable way to measure pastry flour is with a digital kitchen scale. If you are working from cups, keep your technique consistent every time so your results are repeatable. For more, see our guide on baking by weight versus volume.

No scale yet? You don't need a fancy one; any digital kitchen scale that reads in 1-gram steps does everything on this site. Well-rated kitchen scales on Amazon →

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Substitutes for pastry flour

1 cup pastry flour = ⅔ cup all-purpose flour + ⅓ cup cake flour (King Arthur Baking)
Approximates pastry flour's lower protein content (about 9%). Resulting pastries are more tender than AP alone.

See all pastry flour substitutes, ratios and sources →

Pastry flour conversions: FAQ

Why doesn't a cup of pastry flour weigh the same as a cup of water?

A cup measures volume, not weight. Pastry flour is less dense than water (106 g versus 237 g per cup), so the same volume has a different weight. Weighing in grams is the most accurate way to measure it.

Common pastry flour conversions

Quick-answer pages for the conversions people search for most.

100 g to cups

100 g pastry flour ≈ 0.943 cups

200 g to cups

200 g pastry flour ≈ 1.89 cups

250 g to cups

250 g pastry flour ≈ 2.36 cups

500 g to cups

500 g pastry flour ≈ 4.72 cups

¼ cup to grams

¼ cup pastry flour ≈ 26.5 g

½ cup to grams

½ cup pastry flour ≈ 53 g

1 cup to grams

1 cup pastry flour ≈ 106 g

2 cups to grams

2 cups pastry flour ≈ 212 g

Related converters

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* Conversion figures are typical average weights for one US customary cup (236.6 ml), based on the King Arthur Baking Ingredient Weight Chart and cross-referenced with the U.S. Department of Agriculture FoodData Central database. Actual weight varies with packing, brand and humidity — see our methodology.