Calories in Subway Tuna Sandwich

📏 Serving Size: 1 Sandwich (6 inch)

🧪 Nutrition Facts

Amount Per Serving
  • Calories 530.0
  • Total Fat 26.0 g
  • Saturated Fat 5.0 g
  • Cholesterol 40.0 mg
  • Sodium 690.0 mg
  • Potassium 500.0 mg
  • Total Carbohydrate 42.0 g
  • Dietary Fiber 2.0 g
  • Sugars 5.0 g
  • Protein 21.0 g
Vitamins & Minerals
  • Vitamin A 0.0 IU
  • Vitamin B-12 0.0 µg
  • Vitamin B-6 0.0 mg
  • Vitamin C 0.0 mg
  • Vitamin D 0.0 IU
  • Vitamin E 0.0 mg
  • Calcium 60.0 mg
  • Copper 0.0 mg
  • Folate 0.0 µg
  • Iron 2.0 mg
  • Magnesium 0.0 mg
  • Manganese 0.0 mg
  • Niacin 0.0 mg
  • Pantothenic Acid 0.0 mg
  • Phosphorus 0.0 mg
  • Riboflavin 0.0 mg
  • Thiamin 0.0 mg
  • Zinc 0.0 mg

Note: Nutrition information comes from the USDA Food Central Database. Daily values are based on a 2,000 calorie per day diet (FDA). Actual requirements vary by individual. Use at your own risk.

📋 Nutrition Summary

At 530.0 calories per serving (1 Sandwich (6 inch)), Subway Tuna Sandwich is a high-calorie food — portion size matters if you're monitoring your daily intake. The majority of its calories come from fat (26.0g, 48.1% of calories), including 5.0g of saturated fat. One thing to note: a single serving contains 690.0mg of sodium (30% of the daily recommended limit), which is significant if you're watching your salt intake.

🏷️ Diet & Nutrition Tags

✅ High Protein ⚠️ High Calorie ⚠️ High Sodium

Tags are generated automatically from USDA nutrition data using standard dietary thresholds. They are for general guidance only and are not medical advice.

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📊 % Daily Value

The following shows how one serving of Subway Tuna Sandwich contributes to the recommended daily intake for key nutrients, based on a 2,000 calorie diet.

Nutrient Amount % Daily Value
Calories530.0 kcal26.5%
Total Fat26.0 g33%
Saturated Fat5.0 g25%
Cholesterol40.0 mg13%
Sodium690.0 mg30% ⚠️
Total Carbohydrate42.0 g15%
Dietary Fiber2.0 g7%
Total Sugars5.0 g10%
Protein21.0 g42% ✅
Calcium60.0 mg5%
Iron2.0 mg11%
Potassium500.0 mg11%

* Percent Daily Values are based on a 2,000 calorie diet. Your daily values may be higher or lower depending on your calorie needs. ✅ marks ≥20% DV (FDA "good source" threshold); ⭐ marks ≥100% DV (a full day's value).

🔥 Calorie Analysis

Subway Tuna Sandwich accounts for 26.5% of a standard 2,000 calorie daily diet per serving. The majority of the calories for this food comes from fat. Fat makes up 48.1% of the calories.

Fat 48.1%
Carbs 34.6%
Protein 17.3%
Fat 48.1% Carbs 34.6% Protein 17.3%

🏃 Exercise Burn Time

How long would it take to burn off the 530.0 calories in Subway Tuna Sandwich? The table below shows burn time for a 170-pound person doing common exercises.

Exercise Minutes to Burn
Running: 10 minutes per mile 40.1 min
Walking: 17 minutes per mile 91.5 min
Cycling (Low Intensity) 58.0 min
HIIT 49.1 min
Running: 8 minutes per mile 34.4 min

Find more information on calories burned doing popular exercises.

💬 Nutrition Q&A: Subway Tuna Sandwich

Is Subway Tuna Sandwich good for weight loss?

At 530 calories per sandwich, this is moderate for weight loss and could fit into many plans, but the high sodium content (690mg) and relatively high fat (26g) mean you'll want to be mindful of portion sizes and what else you eat that day. The 21g of protein is helpful for satiety, though the carbs-to-protein ratio isn't ideal for maximizing fullness.

Is Subway Tuna Sandwich good for muscle building?

The 21g of protein is decent support for muscle recovery, and the carbs can help replenish energy after training. However, you'd likely want to pair this with additional protein sources or choose a higher-protein sandwich option for more substantial muscle-building support.

Is Subway Tuna Sandwich good post-workout fuel?

This sandwich offers a reasonable carb-protein combination for post-workout recovery, with 42g carbs and 21g protein to refuel muscles and replenish glycogen. The timing works well, though you might want a smaller snack with faster-digesting carbs immediately after exercise for quicker recovery.

How might Subway Tuna Sandwich affect blood sugar?

With 42g carbs and only 2g fiber, this sandwich will cause a noticeable blood sugar rise, especially since the refined bread doesn't slow digestion much. The 5g sugar is moderate, but the overall carb load means this isn't the best choice if you're managing blood sugar carefully.

What should I watch out for with Subway Tuna Sandwich?

The sodium level (690mg in just one sandwich) is quite high—roughly 30% of many people's daily limit—so this isn't ideal if you're monitoring sodium intake for heart health or blood pressure. Be cautious about the mayo-based dressing, which contributes significantly to the fat and calorie content.

Nutrition Q&A answers are based on USDA nutritional data and are for general informational purposes only. They are not a substitute for professional dietary or medical advice.

📰 Featured Blog Post

Fruits Ranked by Calories: The Complete Guide Fruits Ranked by Calories: The Complete Guide

This is the complete reference guide to fruit nutrition — covering calories, sugar, fibre, and the best fruits for specific dietary goals. Use the links below to jump to the section most relevant to your needs, or browse the full rankings below. Complete Fruit Calorie Rankings Here are the most common fruits ranked by calories per 100g, from lowest to highest: Watermelon — 30 cal See nutrition Strawberries — 32 cal See nutrition Cantaloupe — 34 cal See nutrition Peach — 39 cal See nutrition Grapefruit — 42 cal See nutrition Blackberries — 43 cal See nutrition Orange — 47 cal See nutrition Pineapple — 50 cal See nutrition Apple — 52 cal See nutrition Raspberries — 52 cal See nutrition Blueberries — 57 cal See nutrition Dragon fruit — 60 cal See nutrition Mango — 60 cal See nutrition Kiwi — 61 cal See nutrition Cherries — 63 cal See nutrition Grapes — 67 cal See nutrition Banana — 89 cal See nutrition Avocado — 160 cal See nutrition Core Rankings Lowest Calorie Fruits Ranked — watermelon, strawberries, and raspberries lead the list Highest Calorie Fruits Ranked — avocado, banana, and mango top the list Fruits Ranked by Sugar Content — avocado and berries are lowest; banana and grapes are highest Fruits Ranked by Fiber Content — raspberries, blackberries, and avocado lead Best Fruits for Weight Loss — berries, grapefruit, and apple are the top choices Fresh vs Other Formats Fresh vs Frozen Fruit — nutritionally similar, frozen wins for out-of-season fruit Dried vs Fresh Fruit — dried fruit has 4-8x more calories per gram Fruit Juice vs Whole Fruit — whole fruit wins on fibre, satiety, and blood sugar impact Smoothie vs Whole Fruit — smoothies can contain 300-600 calories; whole fruit is more filling Diet and Use Case Low Sugar Fruits for Diabetics — berries, avocado, and grapefruit are the best choices Keto Friendly Fruits Ranked — avocado, raspberries, and blackberries fit keto macros Best Fruits Before a Workout — banana, mango, and watermelon are top choices Best Fruits After a Workout — tart cherries, banana, and blueberries lead for recovery Seasonal and Exotic Tropical Fruits Ranked by Calories — from 30-cal papaya to 160-cal avocado Summer Fruits Ranked by Calories — watermelon, strawberries, peaches, and cherries Winter Fruits Ranked by Calories — citrus, kiwi, pomegranate, and pears Dragon Fruit vs Kiwi — kiwi wins on vitamin C; dragon fruit wins on iron Fruit Comparisons For detailed side-by-side nutrition comparisons see: Apple vs Banana Blueberries vs Strawberries Avocado vs Apple Blueberries vs Banana Using Our Fruit Nutrition Tools Track your daily fruit intake with our Food Tracker.

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