Jack in the Box under 300 calories: 14 orders, ranked

Of the 73 single orders we track at Jack in the Box, 14 come in at or under 300 calories — 19%. The most protein in one item under 300 is the Southwest Salad with Grilled Chicken without Dressing or Crunchy Toppings, 30 g for 290 calories; the most filling by protein and fiber per calorie is the Garden Salad with Grilled Chicken without Dressing or Crunchy Toppings (25 g protein, 3 g fiber, 210 cal). 5 entrées fit under 300; 34 do not.

Source: Jack in the Box nutrition guide (official) · Data refreshed September 16, 2026

• 14 orders under 300
• 30g most protein in one item
• 31g protein in a full meal
• 34 entrées over 300

As of October 2026, 14 of the 73 Jack in the Box single orders we track come in at or under 300 calories, and the most protein in a complete Jack in the Box meal under 300 is 31 g (A Southwest Salad with Grilled Chicken without Dressing or Crunchy Toppings and a large High Mountain Arabica Coffee).

Three complete Jack in the Box meals under 300 calories

Under 300, the most-protein meal is built on the Southwest Salad with Grilled Chicken without Dressing or Crunchy Toppings (290 cal), which leaves 10 calories for its sides and drink. One meal-sized entrée, up to two different sides and a drink — the MinMax app's meal and the best under the cap, drink included (water only where no published drink fits; the lightest meal takes a zero-calorie drink, or water).

Build your own Jack in the Box order under 300 calories → Swap any item, add a side, share the link.

Every Jack in the Box order under 300 calories, ranked by protein

Single orders only — no desserts, kids' meals, combos, sauces or toppings — by grams of protein, then calories. The median order under 300 is 220 calories and 5 of the 14 are entrées. Figures as Jack in the Box published them, rounded to whole numbers (how we check them).

What 300 calories buys at Jack in the Box

The 8 lightest orders under 300: Side Salad without Dressing or Crunchy Toppings (50), Taco (170), Chicken Nuggets (4) (190), Hash Brown (190), Egg Roll (210), Garden Salad with Grilled Chicken without Dressing or Crunchy Toppings (210), French Fries (Value) (220) and Stuffed Jalapeños (3) (220).

What doesn't fit under 300

34 of 39 Jack in the Box entrées are over 300 calories; the lightest of them, the Grilled Cheese Sandwich, misses by 30 calories at 330. With more room, see Jack in the Box under 400. Closest misses: Grilled Cheese Sandwich (330), Hamburger (330), Tacos (2) (340), Cheeseburger (370) and Chicken Nuggets (8) (380).

More at Jack in the Box

• Jack in the Box calories & nutrition (93 items listed)
• Jack in the Box under 400 calories (24 orders)
• Jack in the Box under 500 calories (38 orders)
• Jack in the Box under 600 calories (49 orders)
• High-protein Jack in the Box orders (14 items)
• Jack in the Box calorie calculator (build an order under your cap)

Under 300 calories at other chains

The same cap at 3 Burgers chains, or the cross-chain pillar: fast food under 300 calories.

• In-N-Out Burger under 300
• Culver's under 300
• Dairy Queen under 300