Whole grain Buckwheat Calories and Nutrition Facts
Whole grain Buckwheat has 356 calories per 100 g, with 11.1 g protein, 71.1 g carbs and 3 g fat. Official USDA analytical record: Buckwheat, whole grain (FDC ID: 2512378).
A 100g serving of whole grain buckwheat contains 356 calories, 11.1g protein, 71.1g total carbs (67g net carbs), and 3g fat.
Energy density
3.56 kcal/g
medium
Protein / 100 kcal
3.1 g
satiety per calorie
Net carbs / 100 g
67 g
carbs minus fibre
100 kcal portion
28 g
≈ 1 oz
- Sugars
- 0g
- Fibre
- 4.1g
- Saturated fat
- 0g
- Sodium
- 0mg
Buckwheat, whole grain nutrition facts
The table below shows the complete nutritional profile for buckwheat, whole grain per 100 g (the laboratory analytical standard), alongside the share of the FDA Daily Value each nutrient covers. Most of its calories come from carbohydrate, and it is high in protein (11.1 g per 100 g), a source of fibre.
| Nutrient | Per 100 g | % DV* |
|---|---|---|
| Calories | 356 kcal | — |
| Protein | 11.1 g | 22% |
| Carbohydrate | 71.1 g | 26% |
| Fat | 3 g | 4% |
| Sugars | 0 g | — |
| Fibre | 4.1 g | 15% |
| Saturated fat | 0 g | 0% |
| Sodium | 0 mg | 0% |
*Percent Daily Value per 100 g, against the FDA reference intakes for adults and children 4+ years (50 g protein, 275 g carbohydrate, 28 g fibre, 78 g fat, 20 g saturated fat, 2300 mg sodium). Total sugars has no Daily Value — the 50 g reference applies to added sugars only, and USDA reports total sugars here.
Whole grain Buckwheat calories by weight: ounces, pounds and grams
USDA publishes this food per 100 g, so here is the same profile converted to the weights a kitchen scale and a US recipe actually use. At 3.56 kcal per gram (medium energy density), medium energy density — portion size starts to matter, so weigh it if you are tracking closely.
| Amount | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|
| 1 oz (28 g) | 101 kcal | 3.1 g | 20.2 g | 0.9 g |
| 100 g (3.5 oz) | 356 kcal | 11.1 g | 71.1 g | 3 g |
| 4 oz (113 g) | 404 kcal | 12.6 g | 80.6 g | 3.4 g |
| 8 oz / ½ lb (227 g) | 807 kcal | 25.2 g | 161.3 g | 6.8 g |
| 1 lb (454 g) | 1615 kcal | 50.3 g | 322.5 g | 13.6 g |
Data sourced from USDA FoodData Central Foundation Foods dataset (public domain, CC0). Laboratory food profile and analytical measurements verified under USDA FDC ID 2512378.
View raw USDA laboratory entry →How whole grain buckwheat compares to other grains & pasta
Against the 41 grains & pasta in this database, whole grain buckwheat ranks 1st lowest in calories and 21st highest in protein. The category averages 372 kcal per 100 g, so this one is 4% below it. The lightest option in the category is buckwheat, whole grain at 356 kcal per 100 g, and the protein leader is chia seeds, dry, raw at 17 g per 100 g.
| Grains & Pasta (by calories) | Calories | Protein | kcal/g |
|---|---|---|---|
| 🍽️ Buckwheat, whole grain (this page) | 356 kcal | 11.1 g | 3.56 |
| 🍽️ Flour, 00 | 357 kcal | 11.4 g | 3.57 |
| 🍽️ Flour, semolina, coarse and semi-coarse | 357 kcal | 11.7 g | 3.57 |
| 🍽️ Flour, buckwheat | 358 kcal | 8.9 g | 3.58 |
| 🍽️ Flour, pastry, unenriched, unbleached | 358 kcal | 8.8 g | 3.58 |
Portion planning with whole grain buckwheat
- 100 calories comes to about 28 g (1 oz).
- 20 g of protein takes about 180 g, bringing 641 kcal with it — that is 3.1 g of protein per 100 calories.
- Fibre density is 1.2 g per 100 calories, covering 15% of the daily fibre target per 100 g.
- Macro split by calories: 80% carbs, 12% protein, 8% fat.
Nutrient screening detail
The badges near the top of this page come from screening the per-100 g values against the FDA nutrient-content thresholds in 21 CFR 101.54–101.62. The regulations define those claims per reference serving rather than per 100 g, so treat these as a like-for-like comparison between foods, not as a statement about a product label:
- High protein — 11.1 g per 100 g (≥ 20% DV)
- Good source of fibre — 4.1 g per 100 g (≥ 10% DV)
- Low fat — 3 g per 100 g (≤ 3 g)
- Low saturated fat — 0 g per 100 g (≤ 1 g)
- Sodium free — 0 mg per 100 g (< 5 mg)
- Sugar free — 0 g total sugars per 100 g (< 0.5 g)
Track whole grain buckwheat for free
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Whole grain Buckwheat FAQ & Nutrition Questions
How many calories and carbs are in 100 g of whole grain buckwheat?
One serving of 100 g provides 356 calories, 71.1 g total carbs (67 g net carbs), 11.1 g protein, and 3 g fat.
How many calories are in 100 g of whole grain buckwheat?
Whole grain Buckwheat contains 356 calories per 100 g, with 11.1 g protein, 71.1 g carbohydrate, and 3 g fat. Use the interactive calculator above to scale to any custom amount.
What is the USDA FoodData Central (FDC) ID for whole grain buckwheat?
The official USDA FoodData Central ID for "Buckwheat, whole grain" is FDC ID: 2512378. You can view the verified laboratory analytical record on the USDA FoodData Central Database.
What is the macronutrient breakdown of whole grain buckwheat?
By calories, whole grain buckwheat is approximately 80% carbohydrates, 12% protein, and 8% fat.
How many calories are in an ounce of whole grain buckwheat?
One ounce (28 g) of whole grain buckwheat has 101 calories, with 3.1 g protein, 20.2 g carbs and 0.9 g fat. Four ounces (113 g) comes to 404 calories, and a full pound (454 g) to 1615 calories.
How much whole grain buckwheat is 100 calories?
About 28 g of whole grain buckwheat supplies 100 calories, because it carries 3.56 kcal per gram (medium energy density). Medium energy density — portion size starts to matter, so weigh it if you are tracking closely.
How much whole grain buckwheat do I need for 20 g of protein?
Roughly 180 g of whole grain buckwheat, which also brings 641 calories with it. That works out to 3.1 g of protein per 100 calories.
How many net carbs are in whole grain buckwheat?
Per 100 g, whole grain buckwheat has 67 g net carbs — 71.1 g total carbohydrate minus 4.1 g fibre.
Is whole grain buckwheat high or low in calories for a grains & pasta?
Whole grain Buckwheat sits 4% below the grains & pasta average of 372 kcal per 100 g, ranking 1st lowest of 41 in this category.
Is this nutrition data free to use?
Yes. The data is sourced directly from USDA FoodData Central (CC0 public domain). Viewing and scaling portions here is 100% free with no sign-up — and you can log this food free in our online food diary.