Shake Shack under 400 calories: 13 orders, ranked

Of the 84 single orders we track at Shake Shack, 13 come in at or under 400 calories — 15%. The most protein in one item under 400 is the Single Hamburger, 25 g for 370 calories; the most filling by protein and fiber per calorie is the ShackBurger, Single Lettuce Wrap (23 g protein, 1 g fiber, 330 cal). 7 entrées fit under 400; 53 do not.

Source: Shake Shack nutrition guide (official), August 18, 2026 edition · Data refreshed October 13, 2026

• 13 orders under 400
• 25g most protein in one item
• 25g protein in a full meal
• 53 entrées over 400

As of October 2026, 13 of the 84 Shake Shack single orders we track come in at or under 400 calories, and the most protein in a complete Shake Shack meal under 400 is 25 g (A Single Hamburger and a large Coke Zero).

Three complete Shake Shack meals under 400 calories

Under 400, the most-protein meal is built on the Single Hamburger (370 cal), which leaves 30 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 Shake Shack order under 400 calories → Swap any item, add a side, share the link.

Every Shake Shack order under 400 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 400 is 340 calories and 7 of the 13 are entrées. Figures as Shake Shack published them, rounded to whole numbers (how we check them).

What 400 calories buys at Shake Shack

The 8 lightest orders under 400: Garden Dog (180), Egg White Light (320), Grilled Cheese (320), ShackBurger, Single Lettuce Wrap (330), Blueberry Cheese Danish (340), Egg and Cheese Sandwich (340), Egg White Light (Double Egg) (340) and Chicken Bites (6) (350).

What doesn't fit under 400

53 of 60 Shake Shack entrées are over 400 calories; the lightest of them, the Chicken Shack Lettuce Wrap, misses by 20 calories at 420. With more room, see Shake Shack under 500. Closest misses: Chicken Shack Lettuce Wrap (420), Avocado Bacon Burger Lettuce Wrap (Single) (430), SmokeShack, Single Lettuce Wrap (430), Single Cheeseburger (440) and Cheese Dog (450).

More at Shake Shack

• Shake Shack calories & nutrition (104 items listed)
• Shake Shack under 500 calories (26 orders)
• Shake Shack under 600 calories (39 orders)
• High-protein Shake Shack orders (24 items)
• Shake Shack calorie calculator (build an order under your cap)

Under 400 calories at other chains

The same cap at 3 Burgers chains, or the cross-chain pillar: fast food under 400 calories.

• In-N-Out Burger under 400
• Whataburger under 400
• Culver's under 400