Carbs in Buckwheat

How many carbs are in buckwheat?

Buckwheat has 61.5g net carbs per 100g — 71.5g total carbs minus 10g fiber — plus 13.2g protein, 3.4g fat, and 343 calories. At this carb count, buckwheat is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from USDA FoodData Central; net carbs are computed by CarbMeNot.

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Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor

Buckwheat
61.5g
Net carbs
71.5g
Total carbs
10g
Fiber
13.2g
Protein
3.4g
Fat
343
Calories

Values per 100 g.

Is buckwheat keto-friendly?

Not really

Buckwheat is generally not keto-friendly. It has 61.5g net carbs per 100g (71.5g total carbs − 10g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.

Carbs by serving size

ServingNet carbsTotal carbsCalories
100 g (3.5 oz)61.5g71.5g343
1 oz (28 g)17.2g20g96

How many calories are in buckwheat?

Buckwheat has 343 calories per 100g. That's alongside 13.2g protein, 3.4g fat, and 61.5g net carbs per 100g.

Nutrition facts

NutrientAmount (per 100 g)
Calories343
Total carbs71.5g
Net carbs61.5g
Fiber10g
Sugar0g
Sugar alcohols0g
Protein13.2g
Fat3.4g
Sodium1mg
Potassium460mg

Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

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Frequently asked questions

How many carbs are in buckwheat?
Buckwheat has 71.5g of total carbs and 61.5g of net carbs per 100 grams.
How many net carbs are in buckwheat?
Buckwheat has 61.5g of net carbs per 100 grams (total carbs 71.5g minus 10g fiber).
Is buckwheat keto-friendly?
Buckwheat is generally not keto-friendly. It has 61.5g net carbs per 100g (71.5g total carbs − 10g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
How many calories are in buckwheat?
Buckwheat has 343 calories per 100 grams.

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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.