Carbs in ½ Cup All-Purpose Flour
How many carbs are in ½ cup all-purpose flour?
½ Cup All-Purpose Flour — ½ cup (62.5g) — has 46g net carbs: 47.7g total carbs minus 1.7g fiber, plus 6.4g protein, 0.6g fat, and 228 calories. Per 100g that is 73.6g net carbs (76.3g total carbs, 2.7g fiber) and 364 calories. That makes ½ cup all-purpose flour high in net carbs and higher than the typical breads and grain, which averages about 44.4g net carbs per 100g. At this carb count, ½ cup all-purpose flour 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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½ Cup All-Purpose Flour runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per ½ cup (62.5g); per 100 g: 73.6g net carbs, 364 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.
Is ½ cup all-purpose flour keto-friendly?
½ Cup All-Purpose Flour is generally not keto-friendly. ½ cup (62.5g) is 46g net carbs (47.7g total carbs − 1.7g fiber); per 100g that is 73.6g net carbs. 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
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| ½ cup | 46g | 47.7g | 6.4g | 228 |
| 100 g (3.5 oz) | 73.6g | 76.3g | 10.3g | 364 |
| 1 oz (28 g) | 20.6g | 21.4g | 2.9g | 102 |
How many calories are in ½ cup all-purpose flour?
½ Cup All-Purpose Flour — ½ cup (62.5g) — has 228 calories, with 6.4g protein, 0.6g fat, and 46g net carbs. Per 100g: 364 calories and 73.6g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 364 |
| Total carbs | 76.3g |
| Net carbs | 73.6g |
| Fiber | 2.7g |
| Sugar | 0.3g |
| Sugar alcohols | 0g |
| Protein | 10.3g |
| Fat | 1g |
| Sodium | 2mg |
| Potassium | 107mg |
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 ½ cup all-purpose flour?
- ½ Cup All-Purpose Flour (½ cup, 62.5g) has 47.7g of total carbs and 46g of net carbs. Per 100 grams: 76.3g total, 73.6g net.
- How many net carbs are in ½ cup all-purpose flour?
- ½ Cup All-Purpose Flour has 46g of net carbs per ½ cup (62.5g) — 47.7g total carbs minus 1.7g fiber.
- Is ½ cup all-purpose flour keto-friendly?
- ½ Cup All-Purpose Flour is generally not keto-friendly. ½ cup (62.5g) is 46g net carbs (47.7g total carbs − 1.7g fiber); per 100g that is 73.6g net carbs. 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 ½ cup all-purpose flour?
- ½ Cup All-Purpose Flour (½ cup, 62.5g) has 228 calories; that is 364 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.