Jack in the Box under 600 calories: 51 orders, ranked

Of the 91 Jack in the Box items we track, 51 are single orders at or under 600 calories — 56% of the menu. The most protein in one item under 600 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). 38 entrées fit under 600; 25 do not.

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

• 51 orders under 600
• 43g most protein in one item
• 50g protein in a full meal
• 25 entrées over 600

As of September 2026, 51 of the 91 Jack in the Box items we track fit under 600 calories, and the most protein in a complete Jack in the Box meal under 600 is 50 g (Chicken Strips (Grilled), a New York Style Cheesecake, and a water).

Three complete Jack in the Box meals under 600 calories

Under 600, the most-protein entrée — the Chicken Strips (Grilled), 250 cal — leaves 350 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). The most filling and lightest meals are unchanged from under 500; the other uses the extra 100 calories.

Build your own Jack in the Box order under 600 calories → Swap any item, add a side, share the link.

Every Jack in the Box order under 600 calories, ranked by protein

Single orders only — no kids' meals, combos, sauces or toppings — by grams of protein, then calories. The median order under 600 is 440 calories and 38 of the 51 are entrées. Figures as Jack in the Box published them (how we check them).

What 600 calories buys at Jack in the Box

Going from 500 to 600 calories adds 16 orders: Bacon Nacho Tacos (510), Chicken Club Salad (Crispy) (510), Loaded Spicy Tiny Tacos (510), Stuffed Jalapenos (7 Piece) (510), Ultimate Breakfast Sandwich (520), Bagel Breakfast Sandwich (Sausage, Egg & Cheese) (540), Sourdough Grilled Chicken Club (540) and Spicy Chicken Biscuit (550) and 8 more.

What doesn't fit under 600

25 of 63 Jack in the Box entrées are over 600 calories; the lightest of them, the Cluck Deluxe Sandwich, misses by 30 calories at 630. Tighter budget: Jack in the Box under 500. Closest misses: Cluck Deluxe Sandwich (630), Extreme Sausage® Sandwich (660), Jumbo Breakfast Platter, Bacon (660), Sourdough Jack® (660) and Deluxe Fish Sandwich (670).

More at Jack in the Box

• Jack in the Box calories & nutrition (all 91 items)
• Jack in the Box under 300 calories (11 orders)
• Jack in the Box under 400 calories (22 orders)
• Jack in the Box under 500 calories (35 orders)
• High-protein Jack in the Box orders (15 items)
• Jack in the Box calorie calculator (build an order under your cap)

Under 600 calories at other chains

The same cap at 3 Burgers chains, or the cross-chain pillar: fast food under 500 calories (the 600-calorie cap has no cross-chain page yet).

• Carl's Jr. under 600
• Hardee's under 600
• Shake Shack under 600