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Gluten-free flour (1:1 blend) — Cups to Grams

One US cup of 1:1 blend gluten-free flour weighs about 120 grams. That is almost the same as all-purpose flour, at 120 grams per cup. A 1:1 / Measure-for-Measure gluten-free blend is engineered to weigh about the same per cup as all-purpose flour, so most recipes can swap it without adjusting other amounts. Use the converter below to switch 1:1 blend gluten-free flour between cups, grams, ounces, tablespoons and millilitres — or read the full chart underneath.

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1:1 blend gluten-free flour conversion chart

1:1 blend gluten-free flour — cups to grams chart
Cups	Grams	Ounces	Tablespoons	Millilitres
⅛ cup	15 g	0.529 oz	2	29.57 ml
¼ cup	30 g	1.06 oz	4	59.15 ml
⅓ cup	40 g	1.41 oz	5.33	78.86 ml
½ cup	60 g	2.12 oz	8	118.3 ml
⅔ cup	80 g	2.82 oz	10.67	157.7 ml
¾ cup	90 g	3.17 oz	12	177.4 ml
1 cup	120 g	4.23 oz	16	236.6 ml
1¼ cups	150 g	5.29 oz	20	295.7 ml
1½ cups	180 g	6.35 oz	24	354.9 ml
2 cups	240 g	8.47 oz	32	473.2 ml
3 cups	360 g	12.7 oz	48	709.8 ml

Grams to cups: 1:1 blend gluten-free flour

1:1 blend gluten-free flour — grams to cups chart
Grams	Cups	Ounces	Tablespoons
10 g	0.083	0.353 oz	1.33
25 g	0.208	0.882 oz	3.33
50 g	0.417	1.76 oz	6.67
75 g	0.625	2.65 oz	10
100 g	0.833	3.53 oz	13.33
125 g	1.04	4.41 oz	16.67
150 g	1.25	5.29 oz	20
200 g	1.67	7.05 oz	26.67
250 g	2.08	8.82 oz	33.33
300 g	2.5	10.58 oz	40
400 g	3.33	14.11 oz	53.33
500 g	4.17	17.64 oz	66.67

How to measure 1:1 blend gluten-free flour

A 1:1 / Measure-for-Measure gluten-free blend is engineered to weigh about the same per cup as all-purpose flour, so most recipes can swap it without adjusting other amounts.

Because a cup measures volume rather than weight, the most reliable way to measure 1:1 blend gluten-free 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 1:1 blend gluten-free flour

1 cup 1:1 GF blend = 1 cup AP flour in non-yeasted recipes (King Arthur Baking)
Blends like King Arthur Measure for Measure and Bob's Red Mill 1-to-1 already contain starches and xanthan gum and drop into cookies, cakes, muffins, brownies, and pancakes. Not formulated for yeast breads.

See all 1:1 blend gluten-free flour substitutes, ratios and sources →

1:1 blend gluten-free flour conversions: FAQ

Why doesn't a cup of 1:1 blend gluten-free flour weigh the same as a cup of water?

A cup measures volume, not weight. 1:1 blend gluten-free flour is less dense than water (120 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 1:1 blend gluten-free flour conversions

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

100 g to cups

100 g 1:1 blend gluten-free flour ≈ 0.833 cups

200 g to cups

200 g 1:1 blend gluten-free flour ≈ 1.67 cups

250 g to cups

250 g 1:1 blend gluten-free flour ≈ 2.08 cups

500 g to cups

500 g 1:1 blend gluten-free flour ≈ 4.17 cups

¼ cup to grams

¼ cup 1:1 blend gluten-free flour ≈ 30 g

½ cup to grams

½ cup 1:1 blend gluten-free flour ≈ 60 g

1 cup to grams

1 cup 1:1 blend gluten-free flour ≈ 120 g

2 cups to grams

2 cups 1:1 blend gluten-free flour ≈ 240 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.