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US chain restaurant menus, nutrition and allergens

Jack in the Box Jr. Jumbo Jack Cheeseburger: nutrition and allergens

The Jr. Jumbo Jack Cheeseburger at Jack in the Box has 440 calories, 29 g fat, 31 g carbohydrate, 16 g protein and 900 mg sodium per serving (162 g), according to Jack in the Box’s nutrition information.

Values converted by script from official files; text drafted with AI assistance From Jack in the Box’s nutrition information Last checked How pages are made
Cheeseburger with melted cheese and ketchup on a wooden board against black background
Illustrative photo, not Jack in the Box’s product · Daniel Reche / Pexels · About our photos

Nutrition facts

Jr. Jumbo Jack Cheeseburger nutrition facts
Serving size162 g
Calories 440
Calories from fat 260
Total fat (g) 29 37%
Saturated fat (g) 8 40%
Trans fat (g) 1
Cholesterol (mg) 40 13%
Sodium (mg) 900 39%
Potassium (mg) 220 5%
Total carbohydrate (g) 31 11%
Dietary fiber (g) 1 4%
Total sugars (g) 5
Protein (g) 16 32%

Percentages are the share of the FDA Daily Value for adults and children 4 and over, worked out from Jack in the Box’s published amounts (how % Daily Value works). A dash means Jack in the Box does not publish that value for this item. Not published for this item: added sugars.

Using the FDA’s rule of thumb that 5% of the Daily Value or less per serving is low and 20% or more is high, one serving is high in saturated fat (40%), sodium (39%), fat (37%) and protein (32%) and is low in potassium and dietary fiber. Add it up with other items in the Jack in the Box nutrition calculator.

Allergens

According to Jack in the Box, the Jr. Jumbo Jack Cheeseburger contains milk, egg, wheat, soy and sesame.

Allergens reported by Jack in the Box for the Jr. Jumbo Jack Cheeseburger
MilkContains
EggContains
FishNot listed
Crustacean shellfishNot listed
Tree nutsNot listed
PeanutsNot listed
WheatContains
SoyContains
SesameContains

Buns contain sesame in some regions.

Jack in the Box kitchens handle soy, egg, fish, milk, wheat and sesame, and shared equipment means an item can pick up one of these even when its ingredients do not list it. Grilled vegetables, eggs and some bakery items are cooked with a butter-flavored vegetable oil that adds soy. The allergen guide does not cover dressings, crunchy toppings, dipping sauces or sauce packets within other items; those are listed on their own. Guests with food allergies are advised to consult their physician and to recheck the information often, since menus and ingredients change.

Filter the whole Jack in the Box menu by allergen

Other items in Burgers & More at Jack in the Box

By calories, the Jr. Jumbo Jack Cheeseburger ranks 4 of 15 in Jack in the Box’s Burgers & More section, from lowest to highest. The table shows the 9 items nearest to it; each item is compared at its first listed size.

Nearby items in Burgers & More at Jack in the Box by calories
ItemCalories
Hamburger 330
Cheeseburger 370
Jr. Jumbo Jack 400
Jr. Jumbo Jack Cheeseburger 440
Jr. Bacon Cheeseburger 470
Jumbo Jack 520
Jumbo Jack Cheeseburger 600
Sourdough Jack 690
Classic Smashed Jack 720

Nutrition for all 15 items in Burgers & More at Jack in the Box

Browse the Jack in the Box menu by goal: high-protein items · low-calorie items

Sources

  1. 1
    Jack in the Box, 2026 Nutrition Facts (Jack in the Box nutrition guide) Covers nutrition, allergens and menu · Printed as "effective as of November 2026" · Checked 8 Oct 2026
  2. 2
    Jack in the Box, Allergens Reference Guide Covers allergens · Checked 8 Oct 2026

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