Shake Shack under 400 calories: 20 orders, ranked

Of the 119 Shake Shack items we track, 20 are single orders at or under 400 calories — 17% of the menu. 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 Single Hamburger (25 g protein, 0 g fiber, 370 cal). 12 entrées fit under 400; 54 do not.

Source: Shake Shack nutrition guide (official) · Data refreshed September 13, 2026 · fat not captured for this chain

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

As of September 2026, 20 of the 119 Shake Shack items we track fit under 400 calories, and the most protein in a complete Shake Shack meal under 400 is 25 g (A Single Hamburger and a water).

Three complete Shake Shack meals under 400 calories

Under 400, the most-protein entrée — the Single Hamburger, 370 cal — leaves 30 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 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 kids' meals, combos, sauces or toppings — by grams of protein, then calories. The median order under 400 is 340 calories and 12 of the 20 are entrées. Figures as Shake Shack published them (how we check them).

What 400 calories buys at Shake Shack

The 8 lightest orders under 400: Malt (90), Garden Dog (180), Breakfast Tots (270), Single Vanilla Cup (280), Single Vanilla & Chocolate Cup (290), Chicken Bites (6 piece) (300), Single Chocolate Cup (310) and Egg White Light (320).

What doesn't fit under 400

54 of 66 Shake Shack entrées are over 400 calories; the lightest of them, the Egg and Cheese Breakfast Sandwich (Double Egg), misses by 30 calories at 430. With more room, see Shake Shack under 500. Closest misses: Egg and Cheese Breakfast Sandwich (Double Egg) (430), Single Cheeseburger (440), Double Vanilla Cup (450), Double Vanilla & Chocolate Cup (470) and Bacon Breakfast Sandwich (Double Egg) (490).

More at Shake Shack

• Shake Shack calories & nutrition (all 119 items)
• Shake Shack under 500 calories (35 orders)
• Shake Shack under 600 calories (50 orders)
• High-protein Shake Shack orders (26 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