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Buckwheat flour — Cups to Grams

One US cup of buckwheat flour weighs about 120 grams. That is almost the same as all-purpose flour, at 120 grams per cup. Buckwheat is naturally gluten-free, with an earthy flavour that works in pancakes, crêpes and dark breads. Use the converter below to switch buckwheat flour between cups, grams, ounces, tablespoons and millilitres — or read the full chart underneath.

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Buckwheat flour conversion chart

Buckwheat 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: buckwheat flour

Buckwheat 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 buckwheat flour

Buckwheat is naturally gluten-free, with an earthy flavour that works in pancakes, crêpes and dark breads.

Because a cup measures volume rather than weight, the most reliable way to measure buckwheat 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 buckwheat flour

Not a 1:1 swap for wheat flour. Replace up to 25% of AP or whole wheat with buckwheat in non-yeast bakes (up to 15% in yeast breads) (King Arthur Baking)
Buckwheat is gluten-free and more absorbent than wheat; it brings an earthy, slightly bitter flavor that gets assertive past these ratios.

See all buckwheat flour substitutes, ratios and sources →

Buckwheat flour conversions: FAQ

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

A cup measures volume, not weight. Buckwheat 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 buckwheat flour conversions

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

100 g to cups

100 g buckwheat flour ≈ 0.833 cups

200 g to cups

200 g buckwheat flour ≈ 1.67 cups

250 g to cups

250 g buckwheat flour ≈ 2.08 cups

500 g to cups

500 g buckwheat flour ≈ 4.17 cups

¼ cup to grams

¼ cup buckwheat flour ≈ 30 g

½ cup to grams

½ cup buckwheat flour ≈ 60 g

1 cup to grams

1 cup buckwheat flour ≈ 120 g

2 cups to grams

2 cups buckwheat 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.