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Last updated: Aug 9, 2026

Jack's Family Restaurants

Big Jack

SandwichesPopular

Jack's Family Restaurants Big Jack is fat-leaning, with about 59% of macro calories from fat. Each serving has 720 calories, 29g protein, 43g carbs, and 47g fat, making it worth balancing with lower-fat items in the same meal.

1 serving

Serving Size

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720

Calories

Per serving

29 g

Protein

43 g

Carbs

47 g

Fat

Nutrition Facts

Amount per serving

Calories720 kcal

% Daily Value*

Total Fat 47 g60%

Saturated Fat 14 g70%

Trans Fat 2 g—

Cholesterol 110 mg37%

Sodium 1,180 mg51%

Total Carbohydrate 43 g16%

Dietary Fiber 3 g11%

Total Sugars 11 g—

Protein 29 g58%

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

720

kcal

Protein29 g (16%)

Carbs43 g (24%)

Fat47 g (59%)

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

Meal Planning Insights

Protein density4/10

16% of macro calories come from protein.

Satiety index10/10

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

Activity estimate180 min walk

About 72 minutes of running for these calories.

Key Nutrients

Protein 29 g58%

Fiber 3 g11%

Sodium 1,180 mg51%

Sugars 11 g—

Saturated Fat 14 g70%

How we calculate these values

Diet Compatibility

High protein4/10 protein density from 29g protein and 720 calories.No

Lower carb43g carbs per serving.No

Low fat47g total fat per serving.No

High sugar11g total sugars per serving.No

High sodium1,180mg sodium per serving.Yes

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

Similar Items in Sandwiches

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Big Bacon800 kcal · 35 g protein

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Quick comparisons

Big Jack has 675 more calories than American Cheese, 1 Slice and 27g more protein. Compare

Big Jack has 660 more calories than BBQ (1 Cup - 1.5 oz) and 29g more protein. Compare

American Cheese, 1 Slice45 kcal · 2 g proteinBBQ (1 Cup - 1.5 oz)60 kcal · 0 g proteinBLT Salad370 kcal · 18 g proteinBLT Salad, Crispy1,020 kcal · 42 g proteinBLT Salad, Grilled590 kcal · 41 g proteinBacon Biscuit370 kcal · 9 g protein

Compare with American Cheese, 1 Slice

Big Jack Compared With Nearby Items

Compared with Big Bacon, another Sandwiches item at Jack's Family Restaurants, Big Jack has 80 fewer calories than it and 6g 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 Big Jack 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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