All-Purpose White Flour (1 Cup) Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 cup (125g), 125g; 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.
How many carbs are in all-purpose white flour (1 cup)?
All-Purpose White Flour (1 Cup) — 1 cup (125g), 125g — has 92g net carbs: 95.4g total carbs minus 3.4g fiber, plus 12.9g protein, 1.3g fat, and 455 calories. Per 100g that is 73.6g net carbs (76.3g total carbs, 2.7g fiber) and 364 calories. That makes all-purpose white flour (1 cup) high in net carbs and higher than the typical breads and grain, which averages about 44.7g net carbs per 100g. At this carb count, all-purpose white flour (1 cup) is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Is all-purpose white flour (1 cup) keto-friendly?
All-Purpose White Flour (1 Cup) is generally not keto-friendly. 1 cup (125g), 125g is 92g net carbs (95.4g total carbs − 3.4g 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.
Keeping an eye on carbs in all-purpose white flour (1 cup)?
All-Purpose White Flour (1 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.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 cup (125g) | 92g | 95.4g | 12.9g | 455 |
| 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 cup)?
All-Purpose White Flour (1 Cup) — 1 cup (125g), 125g — has 455 calories, with 12.9g protein, 1.3g fat, and 92g 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: 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 cup)?
- All-Purpose White Flour (1 Cup) (1 cup (125g), 125g) has 95.4g of total carbs and 92g of net carbs. Per 100 grams: 76.3g total, 73.6g net.
- How many net carbs are in all-purpose white flour (1 cup)?
- All-Purpose White Flour (1 Cup) has 92g of net carbs per 1 cup (125g), 125g — 95.4g total carbs minus 3.4g fiber.
- Is all-purpose white flour (1 cup) keto-friendly?
- All-Purpose White Flour (1 Cup) is generally not keto-friendly. 1 cup (125g), 125g is 92g net carbs (95.4g total carbs − 3.4g 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 all-purpose white flour (1 cup)?
- All-Purpose White Flour (1 Cup) (1 cup (125g), 125g) has 455 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.