Subway Meatball Marinara 6-Inch Sub Calories & Carbs

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

Subway Meatball Marinara 6-Inch Sub
43.9g
Net carbs
48g
Total carbs
4.1g
Fiber
20.1g
Protein
18g
Fat
410
Calories

Values per 1 6-inch sub on Italian bread (205g), 205g; per 100 g: 21.4g net carbs, 200 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 subway meatball marinara 6-inch sub?

Subway Meatball Marinara 6-Inch Sub — 1 6-inch sub on Italian bread (205g), 205g — has 43.9g net carbs: 48g total carbs minus 4.1g fiber, plus 20.1g protein, 18g fat, and 410 calories. Per 100g that is 21.4g net carbs (23.4g total carbs, 2g fiber) and 200 calories. That makes subway meatball marinara 6-inch sub high in net carbs and about average for the typical fast-food item, which averages about 26.2g net carbs per 100g. At this carb count, subway meatball marinara 6-inch sub 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 subway meatball marinara 6-inch sub keto-friendly?

Not really

Subway Meatball Marinara 6-Inch Sub is generally not keto-friendly. 1 6-inch sub on Italian bread (205g), 205g is 43.9g net carbs (48g total carbs − 4.1g fiber); per 100g that is 21.4g 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.

Keeping an eye on carbs in subway meatball marinara 6-inch sub?

Subway Meatball Marinara 6-Inch Sub runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.

Download on the App StoreGet it on Google Play
Free · no signup · ★ 4.7

Carbs by serving size

ServingNet carbsTotal carbsCalories
1 6-inch sub on Italian bread (205g)43.9g48g410
100 g (3.5 oz)21.4g23.4g200
1 oz (28 g)6g6.6g56

How many calories are in subway meatball marinara 6-inch sub?

Subway Meatball Marinara 6-Inch Sub — 1 6-inch sub on Italian bread (205g), 205g — has 410 calories, with 20.1g protein, 18g fat, and 43.9g net carbs. Per 100g: 200 calories and 21.4g net carbs.

Nutrition facts

NutrientAmount (per 100 g)
Calories200
Total carbs23.4g
Net carbs21.4g
Fiber2g
Sugar3.4g
Sugar alcohols0g
Protein9.8g
Fat8.8g
Sodium527mg
Potassium0mg

Source: Manufacturer-reported values (fast-food). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.

Log subway meatball marinara 6-inch sub in one tap

Snap a photo and CarbMeNot's AI logs the carbs, protein, and fat automatically.

Download on the App StoreGet it on Google Play

Frequently asked questions

How many carbs are in subway meatball marinara 6-inch sub?
Subway Meatball Marinara 6-Inch Sub (1 6-inch sub on Italian bread (205g), 205g) has 48g of total carbs and 43.9g of net carbs. Per 100 grams: 23.4g total, 21.4g net.
How many net carbs are in subway meatball marinara 6-inch sub?
Subway Meatball Marinara 6-Inch Sub has 43.9g of net carbs per 1 6-inch sub on Italian bread (205g), 205g — 48g total carbs minus 4.1g fiber.
Is subway meatball marinara 6-inch sub keto-friendly?
Subway Meatball Marinara 6-Inch Sub is generally not keto-friendly. 1 6-inch sub on Italian bread (205g), 205g is 43.9g net carbs (48g total carbs − 4.1g fiber); per 100g that is 21.4g 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 subway meatball marinara 6-inch sub?
Subway Meatball Marinara 6-Inch Sub (1 6-inch sub on Italian bread (205g), 205g) has 410 calories; that is 200 calories per 100 grams.

Similar foods

CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.