Jack in the Box • Burgers
Jack in the Box Jr. Jumbo Jack
Jr. Jumbo Jack from Jack in the Box's current menu.
- Price
- $2.99
- Calories
- 400
- Protein
- 14g
- Carbs
- 31g
- Fat
- 25g
$2.99
Typical U.S. price: actual prices vary by location, franchise, and ordering platform.
Menu Labeling & Nutrition Information
2,000 calories a day is used for general nutrition advice, but calorie needs vary. Full nutrition information, including saturated fat, trans fat, cholesterol, sodium, sugars, and fiber, is available upon request from the restaurant and in the official nutrition guide. Calorie counts shown are approximate and based on official restaurant nutrition data; values may vary by location, preparation, and portion size.
Everything You Need to Know About the Jr. Jumbo Jack
The Jr. Jumbo Jack is jr. jumbo jack from jack in the box's current menu. It comes in at 400 calories with 14g of protein, and is priced at $2.99 in the Burgers section of the Jack in the Box menu, about $0.75 per 100 calories. Jack in the Box is a fast food chain with over 2,200 locations known for Jumbo Jack, Jack's Tacos (2 for $0.99), Munchie Meal (Spicy Chicken). Our Jack in the Box menu guide covers prices, nutrition info, deals, and secret menu items.
How the Jr. Jumbo Jack compares to similar Jack in the Box items
| Jr. Jumbo Jack (this item) | $2.99 | 400 | 0.75 |
| Jumbo Jack | $4.99 | 520 | 0.96 |
| Sourdough Jack | $6.49 | 690 | 0.94 |
| Bacon & Swiss Buttery Jack | $7.49 | 800 | 0.94 |
| Ultimate Cheeseburger | $6.99 | 840 | 0.83 |
Average price in the Burgers section: $5.79. This item is below the section average.
Is the Jr. Jumbo Jack good value at Jack in the Box?
At $2.99, the Jr. Jumbo Jack costs about $0.75 per 100 calories against a $5.79 average in the Burgers section. Value depends on what you order alongside it. Pair it with the cheapest Jack in the Box sides for the best total meal cost.
How to order the Jr. Jumbo Jack at Jack in the Box
The Jr. Jumbo Jack is available at Jack in the Box locations nationwide: dine-in, takeout, and in most markets delivery through the Jack in the Box app or third-party services. Order through the official Jack in the Box ordering page for pickup and delivery. Prices vary by location. Check the current full Jack in the Box menu for the latest pricing.
Pro Tips for Ordering the Jr. Jumbo Jack
- 1Check current Jack in the Box deals: Jack Pack Rewards — Free Meals.
- 2Prices have trended +6.4% vs 2025 on our tracking. Expect slight variation by location.
Tips compiled from customer reviews on Google, Yelp, Reddit, and our menu tracking data.
More Jack in the Box menu items
Jack in the Box secret menu items
The Meat Pie · $7.99
A grilled cheese sandwich with a Jumbo Jack patty, bacon, and two tacos inside
How to order: Order a Sourdough Grilled Cheese and ask for 'a Jumbo Jack patty, bacon, and two tacos inside.'
Sourdough Jack Melt · $7.49
A Sourdough Jack with extra Swiss and grilled onions on the sourdough
How to order: Order a Sourdough Jack and ask for 'extra Swiss cheese and grilled onions.'
Payment & holiday hours
Accepted payment
- Credit & debit cards (Visa, Mastercard, Amex, Discover)
- Cash
- Gift cards
- Apple Pay & Google Pay
Holiday closures
- Thanksgiving
- Christmas Day
Typical closures: individual locations may vary. Confirm locally before visiting.
Jr. Jumbo Jack prices by city (estimated)
Prices vary by location. Estimates for the Jack in the Box national-average pricing model:
- Los Angeles: $5.40 (Estimated — urban premium operating costs — Jumbo Jack)
- San Francisco: $5.60 (Estimated — urban premium operating costs — Jumbo Jack)
- Phoenix: $5.00 (Estimated — on par with national average — Jumbo Jack)
- Las Vegas: $5.20 (Estimated — higher operating costs — Jumbo Jack)
- Dallas: $4.80 (Estimated — lower operating costs — Jumbo Jack)
- Denver: $5.00 (Estimated — on par with national average — Jumbo Jack)
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About Jack in the Box
Jack in the Box is a fast food chain with over 2,200 locations known for Jumbo Jack, Jack's Tacos (2 for $0.99), Munchie Meal (Spicy Chicken). Our Jack in the Box menu guide covers prices, nutrition info, deals, and secret menu items. Browse full menu sections including burgers, tacos, value menu & dollar deals, munchie meals (late night). Current deals include Jack Pack Rewards — Free Meals.
Jack in the Box FAQ
What time does Jack in the Box start serving breakfast?
When does Jack in the Box stop serving breakfast?
What is on the Jack in the Box breakfast menu?
What is the cheapest breakfast item at Jack in the Box?
Prices and customer sentiment sourced from the official Jack in the Box website, nutrition guide, and public reviews. Source: Jack in the Box official nutrition — latest published, dated 2026-03-04