Jack in the Box Classic Buttery Jack: Calories and Nutrition

Classic Buttery Jack at Jack in the Box contains 820 calories per serving. It provides 37 g protein, 50 g carbs (12 g sugar), and 52 g fat, about 41% of a 2,000 calorie day. One serving is about 270 g. These are US menu figures.

Classic Buttery Jack nutrition facts (Jack in the Box, US menu)

Full nutrition for a serving (270 g) of Classic Buttery Jack, shown per serving and per 100 g:

Nutrient	Per serving (270 g)	Per 100 g
Calories	820 kcal	304 kcal
Protein	37 g	14 g
Carbohydrates	50 g	19 g
Sugars	12 g	4 g
Fat	52 g	19 g
Saturated fat	23 g	9 g
Fiber	4 g	1 g
Sodium	1150 mg	426 mg

Where the calories come from: about 18% protein, 25% carbs, and 57% fat (based on the macros).

See the full menu: every Jack in the Box item ranked by calories.

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Source and method

These figures come from Nutrola's 1.8M+ RD-verified food and restaurant database and reflect the US menu of Jack in the Box. Values are per item as served and are indicative, since menus and recipes change over time.

Frequently asked questions

How many calories are in Classic Buttery Jack at Jack in the Box?

A serving (270 g) of Classic Buttery Jack has 820 calories on the US menu.

What are the macros in Jack in the Box Classic Buttery Jack?

It has 37 g protein, 50 g carbs (12 g sugar), and 52 g fat, and 1150 mg sodium.

Is Classic Buttery Jack a lot of calories?

At 820 calories it is about 41% of a typical 2,000 calorie day, so it fits depending on what else you eat. Where the calories come from: about 18% protein, 25% carbs, and 57% fat (based on the macros).

Summary

A serving (270 g) of Classic Buttery Jack at Jack in the Box has 820 calories, with 37 g protein, 50 g carbs (12 g sugar), and 52 g fat. Log it in Nutrola to track it against your day.