McDonald's Medium Iced Coffee Calories & Carbs
Last updated September 8, 2026 · Compiled by the CarbMeNot Team

Values per 16 fl oz (~480g), 480g; per 100 g: 8.3g net carbs, 54 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 medium iced coffee?
McDonald's Medium Iced Coffee — 16 fl oz (~480g), 480g — has 39.8g net carbs: 39.8g total carbs minus 0g fiber, plus 3.8g protein, 9.1g fat, and 259 calories. Per 100g that is 8.3g net carbs (8.3g total carbs, 0g fiber) and 54 calories. That makes mcdonald's medium iced coffee relatively low in net carbs and lower than the typical fast-food item, which averages about 26.2g net carbs per 100g. At this carb count, mcdonald's medium iced coffee 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 medium iced coffee keto-friendly?
McDonald's Medium Iced Coffee is generally not keto-friendly. 16 fl oz (~480g), 480g is 39.8g net carbs (39.8g total carbs − 0g fiber); per 100g that is 8.3g 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.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 16 fl oz (~480g) | 39.8g | 39.8g | 3.8g | 259 |
| 100 g (3.5 oz) | 8.3g | 8.3g | 0.8g | 54 |
| 1 oz (28 g) | 2.3g | 2.3g | 0.2g | 15 |
How many calories are in mcdonald's medium iced coffee?
McDonald's Medium Iced Coffee — 16 fl oz (~480g), 480g — has 259 calories, with 3.8g protein, 9.1g fat, and 39.8g net carbs. Per 100g: 54 calories and 8.3g net carbs.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 54 |
| Total carbs | 8.3g |
| Net carbs | 8.3g |
| Fiber | 0g |
| Sugar | 7.3g |
| Sugar alcohols | 0g |
| Protein | 0.8g |
| Fat | 1.9g |
| Sodium | 23mg |
| Potassium | 0mg |
Source: Manufacturer-reported values (drinks). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in mcdonald's medium iced coffee?
- McDonald's Medium Iced Coffee (16 fl oz (~480g), 480g) has 39.8g of total carbs and 39.8g of net carbs. Per 100 grams: 8.3g total, 8.3g net.
- How many net carbs are in mcdonald's medium iced coffee?
- McDonald's Medium Iced Coffee has 39.8g of net carbs per 16 fl oz (~480g), 480g — 39.8g total carbs minus 0g fiber.
- Is mcdonald's medium iced coffee keto-friendly?
- McDonald's Medium Iced Coffee is generally not keto-friendly. 16 fl oz (~480g), 480g is 39.8g net carbs (39.8g total carbs − 0g fiber); per 100g that is 8.3g 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 medium iced coffee?
- McDonald's Medium Iced Coffee (16 fl oz (~480g), 480g) has 259 calories; that is 54 calories per 100 grams.
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