Subway Nutrition Calculator

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What Is a Subway Nutrition Calculator?

A Subway Nutrition Calculator builds your custom order — bread, protein, cheese, veggies, sauces, sides — and totals the calories, protein, carbs, fat, fiber, and sodium. Subway markets itself as a healthy fast-food option, but the numbers swing wildly depending on what you add: a 6-inch Veggie Delite is ~230 calories; a footlong Meatball Marinara with cheese and ranch can pass 1,400.

The calculator above uses Subway's published nutrition data for standard portions. Actual store portions can vary, especially for sauces and cheese, so treat the result as a well-grounded estimate.

Full Ingredient Nutrition Reference

All values are per standard serving, based on Subway's official nutrition data (US menu). Values may vary slightly by market.

Breads (6-inch)

Proteins (6-inch portion)

Best protein-to-calorie ratio: Turkey Breast (50 cal / 9 g), Ham (60 cal / 11 g), and Oven Roasted Chicken (80 cal / 13 g). Tuna and Meatballs are calorie-dense — mostly from fat and sauce.

Cheese (6-inch portion)

Sauces (per serving, typically ~1 tbsp)

Biggest hidden calories: Mayonnaise, Ranch, and Chipotle Southwest each add ~110 calories. Switching to mustard or vinegar saves ~105 calories per sandwich — that's 500+ calories per week if you eat Subway 5 days a week.

Vegetables (all low-calorie)

All veggies add 0–10 calories per serving. The exceptions:

Load up — vegetables are the best value on Subway's menu.

Sides

Common Subway Orders at a Glance

These are estimates — real values shift with employee portion sizes, especially for cheese, sauces, and proteins.

Does "Footlong" Really Double Everything?

Not exactly. Subway's official nutrition data shows:

• Bread: Exactly doubles (two 6-inch pieces)
• Cheese: Doubles (2 slices vs 1)
• Veggies: Roughly doubles
• Sauces: Usually doubles, but employees often use slightly less per half
• Proteins: Usually doubles — but some footlongs use the same portion as a 6-inch plus a bigger portion that isn't quite 2×, depending on the meat (turkey breast, ham, and rotisserie chicken sometimes get slightly more than double)

In practice, treat footlong as approximately 1.9× a 6-inch for most orders. Close enough to the ×2 estimate that our calculator uses ×2.

Subway Series: Preset Menu Sandwiches

Launched in 2021, the Subway Series is a menu of preset sandwiches designed to save you time ordering. Each has an official nutrition panel. Some popular ones:

The Subway Series is convenient, but most sandwiches land between 450–640 calories and 1,000–1,600 mg of sodium. If sodium is a concern, custom orders give you more control.

Sodium: Subway's Real Health Challenge

The biggest nutrition issue at Subway isn't calories — it's sodium. Most footlongs and many 6-inch combos approach or exceed the FDA's daily value (2,300 mg) in a single meal. The American Heart Association recommends staying under 1,500 mg/day for ideal cardiovascular health.

Highest-Sodium Ingredients

• Beyond Meatball Marinara: 960 mg per 6-inch
• Meatballs w/ marinara: 790 mg
• Subway Club: 530 mg
• Black Forest Ham: 480 mg
• Veggie Patty: 440 mg
• Italian Herbs & Cheese bread: 420 mg
• Flatbread: 380 mg
• Wrap: 610 mg
• Turkey Breast: 360 mg
• Pickles: moderate but cumulative

How to Cut Sodium at Subway

• Choose turkey, roast beef, or rotisserie chicken as your protein (300–360 mg)
• Skip cheese (saves 150–200 mg)
• Use mustard or vinegar, not ranch/chipotle/mayo (saves 100–220 mg)
• Skip pickles and olives
• Choose a 6-inch, not a footlong
• Skip the chips and the fountain drink (chips add 170–270 mg)
• Drink water

A well-constructed 6-inch can come in under 700 mg sodium; a footlong Meatball with cheese and chips can hit 3,500+ mg.

Smart Swaps: Saves Calories, Keeps Flavor

Best single swap: Skip the mayo and use mustard. Saves 105 calories with no meaningful flavor loss.

Meal Templates by Goal

Weight Loss (300–400 kcal, 6-inch)

• Bread: 9-Grain Wheat (6-inch)
• Protein: Turkey Breast or Oven Roasted Chicken
• Cheese: Skip
• Veggies: All vegetables, extra lettuce and spinach
• Sauce: Mustard or vinegar
• Sides: Apple slices or nothing

Muscle Gain (700–1,000 kcal, footlong)

• Bread: Footlong 9-Grain Wheat or Hearty Multigrain
• Protein: Double chicken + turkey, or Subway Club + extra meat
• Cheese: Provolone or Pepper Jack
• Veggies: All + avocado
• Sauce: Light mayo or oil
• Sides: Chocolate chip cookie or chips (if you need extra calories)

Low-Carb / Keto

• Base: Salad (skip bread, skip wrap)
• Protein: Steak, Oven Roasted Chicken, or Subway Club
• Cheese: Full-fat (American, Provolone, Swiss)
• Veggies: Leafy greens, cucumbers, peppers, onions
• Sauce: Olive oil, mayo, ranch, chipotle
• Avoid: bread, wrap, sweet sauces, honey oat, honey mustard, pickles if sugar-sensitive

Vegetarian

• Protein: Veggie Patty, or double cheese, or extra avocado
• Check: Veggie Patty contains eggs
• Cheese: All vegetarian
• Sauce: Most vegetarian; some sauces may contain eggs

Vegan

• Protein: Beyond Meatball Marinara (check location — some are vegan)
• Cheese: Skip all cheese
• Veggies: All vegetables
• Sauce: Mustard, vinegar, oil, sweet onion teriyaki, buffalo, sriracha (verify locally)
• Bread: Italian, 9-Grain Wheat, Hearty Multigrain are typically vegan

Post-Workout Recovery

• Bread: Footlong Italian or 9-Grain (fast carbs)
• Protein: Double turkey + chicken, or Subway Club with extra meat
• Cheese: Yes — for extra protein
• Veggies: All
• Sauce: Light mayo or oil
• Total: ~50–60 g protein, 80–100 g carbs

Special Dietary Needs

Gluten-Free

Subway's gluten-free bread availability has shrunk considerably in recent years. As of 2024, most US locations no longer offer gluten-free bread. Your best options:

• Salad bowls — naturally gluten-free
• All proteins, cheeses, veggies, and most sauces
• Avoid croutons and some dressings with gluten-based thickeners
• Cross-contamination is possible in-store (shared cutting boards, gloves)

Dairy-Free

• Skip all cheeses and cheese breads (Italian Herbs & Cheese, some flatbreads)
• Check sauces — ranch, chipotle, and some mayos contain dairy
• Safe sauces: mustard, vinegar, oil, sweet onion teriyaki, buffalo, sriracha (verify locally)

Low-FODMAP

• Safe: Turkey, ham, roast beef, chicken, lettuce, tomato, cucumber, carrot
• Avoid: onion, garlic-heavy sauces, wheat bread, avocado (in large amounts)

How Accurate Is Subway's Nutrition Data?

Subway's published data is based on standard build portions — how the sandwich should be made per corporate spec. Real-world variation:

• Sauces: Employees often eyeball; may differ by 20–50%
• Cheese: ±1 slice variance is common
• Proteins: Pre-portioned in most stores; fairly accurate
• Veggies: Highly variable, but low calorie impact
• Bread: Weighed; usually accurate

Expect ±10–20% error versus the calculator's output. Track