Jack in the Box under 300 calories: 11 orders, ranked

Of the 91 Jack in the Box items we track, 11 are single orders at or under 300 calories — 12% of the menu. The most protein in one item under 300 is the Chicken Strips (Grilled), 43 g for 250 calories; the most filling by protein and fiber per calorie is the Chicken Strips (Grilled) (43 g protein, 0 g fiber, 250 cal). 5 entrées fit under 300; 58 do not.

Source: healthyfastfood.org (third-party host) · Data refreshed September 14, 2026

• 11 orders under 300
• 43g most protein in one item
• 44g protein in a full meal
• 58 entrées over 300

As of September 2026, 11 of the 91 Jack in the Box items we track fit under 300 calories, and the most protein in a complete Jack in the Box meal under 300 is 44 g (Chicken Strips (Grilled), a Side Salad, and a water).

Three complete Jack in the Box meals under 300 calories

Under 300, the most-protein entrée — the Chicken Strips (Grilled), 250 cal — leaves 50 calories for a side. Entrée first, then a side, then a drink if there is room — the same greedy order the MinMax app uses (water unless a shake adds 10 g of protein).

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 kids' meals, combos, sauces or toppings — by grams of protein, then calories. The median order under 300 is 250 calories and 5 of the 11 are entrées. Figures as Jack in the Box published them (how we check them).

What 300 calories buys at Jack in the Box

The 8 lightest orders under 300: Side Salad (20), Mini Pancakes (140), Beef Taco (1 Taco) (190), Hash Brown Plank (190), Chicken Strips (Grilled) (250), Grilled Chicken Salad (250), Biscuit, A La Carte (260) and Breakfast Jack® (280).

What doesn't fit under 300

58 of 63 Jack in the Box entrées are over 300 calories; the lightest of them, the Bacon Breakfast Jack®, misses by 10 calories at 310. With more room, see Jack in the Box under 400. Closest misses: Bacon Breakfast Jack® (310), Cheeseburger (320), Chicken Fajita Pita (w/ Salsa) (330), Tiny Tacos (350) and Spicy Tiny Tacos (360).

More at Jack in the Box

• Jack in the Box calories & nutrition (all 91 items)
• Jack in the Box under 400 calories (22 orders)
• Jack in the Box under 500 calories (35 orders)
• Jack in the Box under 600 calories (51 orders)
• High-protein Jack in the Box orders (15 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.

• Hardee's under 300
• In-N-Out Burger under 300
• Whataburger under 300