Carbs in All-Purpose White Flour (1/2 Cup)
How many carbs are in all-purpose white flour (1/2 cup)?
All-Purpose White Flour (1/2 Cup) has 73.6g net carbs per 100g — 76.3g total carbs minus 2.7g fiber — plus 10.3g protein, 1g fat, and 364 calories. 1/2 cup (63g) works out to about 46.4g net carbs and 229 calories. That makes all-purpose white flour (1/2 cup) high in net carbs and higher than the typical breads and grain, which averages about 44.9g net carbs per 100g. At this carb count, all-purpose white flour (1/2 cup) is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Keeping an eye on carbs in all-purpose white flour (1/2 cup)?
All-Purpose White Flour (1/2 Cup) 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 June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is all-purpose white flour (1/2 cup) keto-friendly?
All-Purpose White Flour (1/2 Cup) is generally not keto-friendly. It has 73.6g net carbs per 100g (76.3g total carbs − 2.7g fiber). A typical serving — 1/2 cup (63g) — is about 46.4g 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 |
|---|---|---|---|---|
| 1/2 cup (63g) | 46.4g | 48.1g | 6.5g | 229 |
| 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 all-purpose white flour (1/2 cup)?
All-Purpose White Flour (1/2 Cup) has 364 calories per 100g. 1/2 cup (63g) has about 229 calories. That's alongside 10.3g protein, 1g fat, and 73.6g net carbs per 100g.
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 | 106mg |
Source: Manufacturer-reported values (bread-grains). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in all-purpose white flour (1/2 cup)?
- All-Purpose White Flour (1/2 Cup) has 76.3g of total carbs and 73.6g of net carbs per 100 grams.
- How many net carbs are in all-purpose white flour (1/2 cup)?
- All-Purpose White Flour (1/2 Cup) has 73.6g of net carbs per 100 grams (total carbs 76.3g minus 2.7g fiber).
- Is all-purpose white flour (1/2 cup) keto-friendly?
- All-Purpose White Flour (1/2 Cup) is generally not keto-friendly. It has 73.6g net carbs per 100g (76.3g total carbs − 2.7g fiber). A typical serving — 1/2 cup (63g) — is about 46.4g 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 all-purpose white flour (1/2 cup)?
- All-Purpose White Flour (1/2 Cup) has 364 calories per 100 grams.
- How many carbs are in 1/2 cup (63g) of all-purpose white flour (1/2 cup)?
- 1/2 cup (63g) of all-purpose white flour (1/2 cup) (63g) has about 46.4g net carbs, 48.1g total carbs, and 229 calories.
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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.