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Last updated: Aug 9, 2026
Jack in the Box

Classic Buttery Jack

Burgers & MorePopular

Jack in the Box Classic Buttery Jack is fat-leaning, with about 58% of macro calories from fat. Each serving has 780 calories, 31g protein, 51g carbs, and 51g fat, making it better suited to carb-aware planning than low-carb goals.

1 Serving
Serving Size
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780
Calories
Per serving
31 g
Protein
51 g
Carbs
51 g
Fat

Nutrition Facts

Amount per serving

Calories780 kcal
% Daily Value*
Total Fat 51 g65%
Saturated Fat 23 g115%
Trans Fat 2.5 g—
Cholesterol 115 mg38%
Sodium 1,030 mg45%
Total Carbohydrate 51 g19%
Dietary Fiber 4 g14%
Total Sugars 13 g—
Protein 31 g62%
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

780
kcal
Protein31 g (16%)
Carbs51 g (26%)
Fat51 g (58%)
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 estimate195 min walk

About 78 minutes of running for these calories.

Key Nutrients

Protein 31 g62%
Fiber 4 g14%
Sodium 1,030 mg45%
Sugars 13 g—
Saturated Fat 23 g115%
How we calculate these values

Diet Compatibility

High protein4/10 protein density from 31g protein and 780 calories.No
Lower carb51g carbs per serving.No
Low fat51g total fat per serving.No
High sugar13g total sugars per serving.No
High sodium1,030mg sodium per serving.Yes
Vegetarian source flagNo vegetarian flag is published for this item.Not flagged

Similar Items in Burgers & More

View all
Bacon & Swiss Buttery Jack800 kcal · 34 g proteinBacon Double Smashed Jack1,120 kcal · 45 g proteinBacon Ultimate Cheeseburger930 kcal · 55 g protein

Compare with other items

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

Quick comparisons

Classic Buttery Jack has 740 more calories than American Cheese and 29g more protein. Compare

Classic Buttery Jack has 740 more calories than BBQ Sauce Dip Cup and 31g more protein. Compare

Compare with American Cheese

Classic Buttery Jack Compared With Nearby Items

Compared with Bacon & Swiss Buttery Jack, another Burgers & More item at Jack in the Box, Classic Buttery Jack has 20 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 Classic Buttery 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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