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Last updated: Aug 9, 2026

Planet Sub

Half Tuna

SubsPopular

Planet Sub Half Tuna is carb-leaning, with about 41% of macro calories from carb. Each serving has 643 calories, 33g protein, 66g carbs, and 28g fat, making it a stronger fit for high-protein restaurant planning.

1 serving (305g)

Serving Size

305 g

Serving Weight

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643

Calories

Per serving

33 g

Protein

66 g

Carbs

28 g

Fat

Nutrition Facts

Amount per serving

Calories643 kcal

% Daily Value*

Total Fat 28 g36%

Saturated Fat 4 g20%

Trans Fat 0 g—

Cholesterol 80 mg27%

Sodium 777 mg34%

Total Carbohydrate 66 g24%

Dietary Fiber 4 g14%

Total Sugars 11 g—

Protein 33 g66%

Vitamin A—

Vitamin C—

Vitamin D—

Calcium—

Iron—

Potassium—

Caffeine—

* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet.

Nutrition Breakdown

643

kcal

Protein33 g (20%)

Carbs66 g (41%)

Fat28 g (39%)

Estimated calorie contribution using 4 kcal/g for protein and carbohydrates and 9 kcal/g for fat.

Meal Planning Insights

Protein density5.1/10

20% of macro calories come from protein.

Satiety index10/10

Estimated from protein, fiber, calories, and fat balance.

Activity estimate161 min walk

About 64 minutes of running for these calories.

Key Nutrients

Protein 33 g66%

Fiber 4 g14%

Sodium 777 mg34%

Sugars 11 g—

Saturated Fat 4 g20%

How we calculate these values

Diet Compatibility

High protein5.1/10 protein density from 33g protein and 643 calories.Yes

Lower carb66g carbs per serving.No

Low fat28g total fat per serving.No

High sugar11g total sugars per serving.No

High sodium777mg sodium per serving.Yes

Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Similar Items in Subs

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BBQ Brisket912 kcal · 52 g protein BBQ Brisket without Cheese802 kcal · 45 g protein Half BBQ Veggie580 kcal · 25 g protein Half BBQ Veggie without Cheese375 kcal · 10 g protein

Compare with other items

Select up to 3 items to compare calories, protein, sodium, and macros.

Quick comparisons

Half Tuna has 269 fewer calories than BBQ Brisket and 19g less protein. Compare

Half Tuna has 159 fewer calories than BBQ Brisket without Cheese and 12g less protein. Compare

BBQ Brisket912 kcal · 52 g proteinBBQ Brisket without Cheese802 kcal · 45 g proteinBuffalo Chicken Lettuce Wrap244 kcal · 27 g proteinChipotle Chicken Wrap495 kcal · 42 g proteinGreek Chicken Wrap606 kcal · 42 g proteinHalf BBQ Veggie580 kcal · 25 g protein

Compare with BBQ Brisket

Half Tuna Compared With Nearby Items

Compared with Half BLT without Mayo, another Subs item at Planet Sub, Half Tuna has 14 fewer calories than it and 3g less protein than it. That makes this page useful for deciding between nearby menu choices, not just reading a raw nutrition label.

Data Source and Methodology

Nutrition values for Half Tuna are maintained in Nutrimetry from restaurant-published menu data and were last checked on Aug 9, 2026. Macro percentages use 4 calories per gram for protein and carbohydrates and 9 calories per gram for fat.

Read the data methodology

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