McDonald's Small Fries Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team
Values per 1 small order (71g), 71g; per 100 g: 37.3g net carbs, 324 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 mcdonald's small fries?
McDonald's Small Fries — 1 small order (71g), 71g — has 26.5g net carbs: 29g total carbs minus 2.5g fiber, plus 3g protein, 11g fat, and 230 calories. Per 100g that is 37.3g net carbs (40.8g total carbs, 3.5g fiber) and 324 calories. That makes mcdonald's small fries high in net carbs and higher than the typical fast-food item, which averages about 26.2g net carbs per 100g. At this carb count, mcdonald's small fries 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 mcdonald's small fries keto-friendly?
McDonald's Small Fries is generally not keto-friendly. 1 small order (71g), 71g is 26.5g net carbs (29g total carbs − 2.5g fiber); per 100g that is 37.3g 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 mcdonald's small fries?
McDonald's Small Fries 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 small order (71g) | 26.5g | 29g | 3g | 230 |
| 100 g (3.5 oz) | 37.3g | 40.8g | 4.2g | 324 |
| 1 oz (28 g) | 10.4g | 11.4g | 1.2g | 91 |
How many calories are in mcdonald's small fries?
McDonald's Small Fries — 1 small order (71g), 71g — has 230 calories, with 3g protein, 11g fat, and 26.5g net carbs. Per 100g: 324 calories and 37.3g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 324 |
| Total carbs | 40.8g |
| Net carbs | 37.3g |
| Fiber | 3.5g |
| Sugar | 0g |
| Sugar alcohols | 0g |
| Protein | 4.2g |
| Fat | 15.5g |
| Sodium | 225mg |
| Potassium | 416mg |
Source: Manufacturer-reported values (fast-food). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in mcdonald's small fries?
- McDonald's Small Fries (1 small order (71g), 71g) has 29g of total carbs and 26.5g of net carbs. Per 100 grams: 40.8g total, 37.3g net.
- How many net carbs are in mcdonald's small fries?
- McDonald's Small Fries has 26.5g of net carbs per 1 small order (71g), 71g — 29g total carbs minus 2.5g fiber.
- Is mcdonald's small fries keto-friendly?
- McDonald's Small Fries is generally not keto-friendly. 1 small order (71g), 71g is 26.5g net carbs (29g total carbs − 2.5g fiber); per 100g that is 37.3g 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 mcdonald's small fries?
- McDonald's Small Fries (1 small order (71g), 71g) has 230 calories; that is 324 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.