Carbs in 1 Cup Grapes (Seedless)

How many carbs are in 1 cup grapes (seedless)?

1 Cup Grapes (Seedless) — 1 cup (151g) — has 26g net carbs: 27.3g total carbs minus 1.4g fiber, plus 1.1g protein, 0.3g fat, and 104 calories. Per 100g that is 17.2g net carbs (18.1g total carbs, 0.9g fiber) and 69 calories. That makes 1 cup grapes (seedless) moderate in net carbs and about average for the typical fruit, which averages about 17.3g net carbs per 100g. At this carb count, 1 cup grapes (seedless) 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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1 Cup Grapes (Seedless) runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.

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Last updated September 8, 2026 · Compiled by the CarbMeNot Team

1 Cup Grapes (Seedless)
26g
Net carbs
27.3g
Total carbs
1.4g
Fiber
1.1g
Protein
0.3g
Fat
104
Calories

Values per 1 cup (151g); per 100 g: 17.2g net carbs, 69 cal. Net carbs = total carbs − fiber − sugar alcohols — do the math for any label with the free net carbs calculator.

Is 1 cup grapes (seedless) keto-friendly?

Limit it

1 Cup Grapes (Seedless) is borderline for keto — it works only in small portions. 1 cup (151g) is 26g net carbs (27.3g total carbs − 1.4g fiber); per 100g that is 17.2g 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

ServingNet carbsTotal carbsCalories
1 cup26g27.3g104
100 g (3.5 oz)17.2g18.1g69
1 oz (28 g)4.8g5.1g19

How many calories are in 1 cup grapes (seedless)?

1 Cup Grapes (Seedless) — 1 cup (151g) — has 104 calories, with 1.1g protein, 0.3g fat, and 26g net carbs. Per 100g: 69 calories and 17.2g net carbs.

Nutrition facts

NutrientAmount (per 100 g)
Calories69
Total carbs18.1g
Net carbs17.2g
Fiber0.9g
Sugar15.5g
Sugar alcohols0g
Protein0.7g
Fat0.2g
Sodium2mg
Potassium191mg

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 1 cup grapes (seedless)?
1 Cup Grapes (Seedless) (1 cup, 151g) has 27.3g of total carbs and 26g of net carbs. Per 100 grams: 18.1g total, 17.2g net.
How many net carbs are in 1 cup grapes (seedless)?
1 Cup Grapes (Seedless) has 26g of net carbs per 1 cup (151g) — 27.3g total carbs minus 1.4g fiber.
Is 1 cup grapes (seedless) keto-friendly?
1 Cup Grapes (Seedless) is borderline for keto — it works only in small portions. 1 cup (151g) is 26g net carbs (27.3g total carbs − 1.4g fiber); per 100g that is 17.2g 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 1 cup grapes (seedless)?
1 Cup Grapes (Seedless) (1 cup, 151g) has 104 calories; that is 69 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.