Calories in
fast foods, submarine sandwich
218 kcal per 100 g Fast foods, submarine sandwich contains 218 calories per 100 grams, or about 517 calories per 6 inch sub. Per 100 g it provides 12.3 g protein, 16.0 g carbohydrate and 12.0 g fat.
By calories that splits 29% carbohydrate, 22% protein, 49% fat.
Calories in a typical serving
Per-100 g figures are useful for comparison but nobody eats 100 g of anything on purpose. These are the USDA's own household measures.
| Serving | Grams | Calories | Protein | Carbs | Fat |
|---|---|---|---|---|---|
| 6 inch sub | 237.0 g | 517 | 29.2 g | 37.8 g | 28.5 g |
| 12 inch sub | 474.0 g | 1,033 | 58.4 g | 75.6 g | 57.1 g |
Full nutrition, per 100 g and per 6 inch sub
| Nutrient | Per 100 g | Per 6 inch sub |
|---|---|---|
| Energy | 218 kcal | 517 kcal |
| Protein | 12.3 g | 29.2 g |
| Total fat | 12.0 g | 28.5 g |
| Saturated fat | 2.1 g | 4.9 g |
| Carbohydrate | 16.0 g | 37.8 g |
| Fibre | 0.7 g | 1.7 g |
| Sugars | 1.9 g | 4.6 g |
| Sodium | 329.0 mg | 779.7 mg |
| Potassium | 177.0 mg | 419.5 mg |
| Calcium | 136.0 mg | 322.3 mg |
| Iron | 1.6 mg | 3.7 mg |
| Vitamin C | 0.0 mg | 0.0 mg |
| Vitamin A | 11.0 µg | 26.1 µg |
| Cholesterol | 28.0 mg | 66.4 mg |
| Water | 58.2 g | 137.9 g |
USDA FoodData Central, SR Legacy (FDC ID 170299). A dash means the nutrient was not measured for this item, which is not the same as zero.
How fast foods, submarine sandwich compares
Among the 79 fast foods items on this site, fast foods, submarine sandwich ranks 59 of 79 by calorie density, against a category average of 266 kcal per 100 g — so it is about 18% less calorie-dense than typical for its group.
It carries 5.7 g of protein per 100 calories, a moderate protein contribution.
To burn off 6 inch sub (517 kcal), a 70 kg adult would walk for roughly 106 minutes — see the walking calculation on our sister site, or pick a different activity. Treat that as a sense of scale rather than a rule: eating and moving are not a simple ledger.
Questions
How many calories are in fast foods, submarine sandwich?
Fast foods, submarine sandwich contains 218 calories per 100 g, which works out to about 517 calories per 6 inch sub. It also provides 12.3 g of protein, 16.0 g of carbohydrate and 12.0 g of fat per 100 g.
What is the macro breakdown of fast foods, submarine sandwich?
By calories, fast foods, submarine sandwich is roughly 29% carbohydrate, 22% protein and 49% fat. That makes it a predominantly fat-based food.
How long does it take to burn off 6 inch sub?
About 106 minutes of ordinary walking for a 70 kg adult (MET 4.0). That is a rough guide for scale, not a prescription — appetite and activity interact in ways a simple subtraction does not capture.
Is this figure exact for the fast foods, submarine sandwich I bought?
No. These are USDA reference values, averaged across samples. Real foods vary with variety, ripeness, growing conditions, cut, brand and how they were cooked — 10–20% either way is normal. Use them for planning, not precision.
Similar foods
Closest in calorie density within fast foods.
Source: USDA FoodData Central, SR Legacy — public domain. Full USDA description: "Fast foods, submarine sandwich, tuna on white bread with lettuce and tomato". General information only — not medical or nutrition advice. Values are averages for a food type and vary by brand, ripeness and preparation.