MinMax

In-N-Out Burger under 400 calories: 23 orders, ranked

Of the 32 In-N-Out Burger items we track, 23 are single orders at or under 400 calories — 72% of the menu. The most protein in one item under 400 is the Cheeseburger w/Onion with mustard & ketchup instead of spread, 22 g for 400 calories; the most filling by protein and fiber per calorie is the Hamburger ProteinStyle (Bun replaced with Lettuce) (12 g protein, 2 g fiber, 210 cal). 13 entrées fit under 400; 9 do not.

Source: In-N-Out Burger nutrition guide (official) · Data refreshed · protein missing for 8 of 32 items; fat missing for 8 of 32 items

As of September 2026, 23 of the 32 In-N-Out Burger items we track fit under 400 calories, and the most protein in a complete In-N-Out Burger meal under 400 is 22 g (A Cheeseburger with Onion with mustard & ketchup instead of spread and a water).

Three complete In-N-Out Burger meals under 400 calories

Under 400, the most-protein entrée — the Cheeseburger w/Onion with mustard & ketchup instead of spread, 400 cal — leaves 0 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). All 3 differ from the meals under 300.

Most protein

  • Cheeseburger w/Onion with mustard & ketchup instead of spread400 cal · 22g
  • Water0 cal

400 of 400 cal · 22 g protein

What to say at the counter: “A Cheeseburger with Onion with mustard & ketchup instead of spread and a water — 400 cal, 22 g protein.”

Get it at the nearest In-N-Out Burger →

Most filling

  • Hamburger ProteinStyle (Bun replaced with Lettuce)210 cal · 12g
  • Hot Cocoa 8oz160 cal · 2g
  • Water0 cal

370 of 400 cal · 14 g protein

What to say at the counter: “A Hamburger ProteinStyle (Bun replaced with Lettuce), a Hot Cocoa 8oz, and a water — 370 cal, 14 g protein.”

Get it at the nearest In-N-Out Burger →

Lightest

  • Hamburger ProteinStyle (Bun replaced with Lettuce)210 cal · 12g
  • 7UP Sm 11oz130 cal
  • Water0 cal

340 of 400 cal

What to say at the counter: “A Hamburger ProteinStyle (Bun replaced with Lettuce), 7UP Sm 11oz, and a water — 340 cal.”

Get it at the nearest In-N-Out Burger →

Every In-N-Out Burger 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 280 calories and 13 of the 23 are entrées. Figures as In-N-Out Burger published them (how we check them).

In-N-Out Burger orders under 400 calories
#ItemCaloriesProteinProtein / 100 cal
1Cheeseburger w/Onion with mustard & ketchup instead of spread40022g5.5g
2Cheeseburger with mustard & ketchup instead of spread38020g5.3g
3Cheeseburger Protein® Style (Bun replaced with Lettuce)33018g5.5g
4Chocolate Shake 15oz27016g5.9g
5Cheeseburger ProteinStyle (Bun replaced with Lettuce)28016g5.7g
6Hamburger with mustard & ketchup instead of spread30016g5.3g
7Hamburger w/Onion with mustard & ketchup instead of spread31016g5.2g
8Hamburger w/Onion36016g4.4g
9Hamburger w/Onion39016g4.1g
10Strawberry Shake 15oz27015g5.6g
11Hamburger Protein® Style (Bun replaced with Lettuce)24013g5.4g
12Hamburger ProteinStyle (Bun replaced with Lettuce)21012g5.7g
13French Fries3957g1.8g
14French Fries3606g1.7g
15Hot Cocoa 8oz1602g1.3g
16Hot Cocoa with Marshmallows 8oz1802g1.1g
177UP Sm 11oz130
187UP 14oz170
197UP Med 15oz180
207UP 20oz240
217UP Lg 22oz260
227UP X-Lg 29oz350
237UP 30oz360

What 400 calories buys at In-N-Out Burger

Going from 300 to 400 calories adds 10 orders: Hamburger w/Onion with mustard & ketchup instead of spread (310), Cheeseburger Protein® Style (Bun replaced with Lettuce) (330), 7UP X-Lg 29oz (350), 7UP 30oz (360), French Fries (360), Hamburger w/Onion (360), Cheeseburger with mustard & ketchup instead of spread (380) and Hamburger w/Onion (390) and 2 more.

What doesn't fit under 400

9 of 22 In-N-Out Burger entrées are over 400 calories; the lightest of them, the Cheeseburger w/Onion, misses by 30 calories at 430. With more room, see In-N-Out Burger under 500. Tighter budget: In-N-Out Burger under 300. Closest misses: Cheeseburger w/Onion (430), Double-Double ProteinStyle (Bun replaced with Lettuce) (460) and Cheeseburger w/Onion (480).

Eat at In-N-Out Burger without blowing your cap

MinMax finds the best In-N-Out Burger meal under your calorie goal — at the location nearest you — and lets you swap items to hit your protein. Free on iPhone.

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More at In-N-Out Burger

Under 400 calories at other chains

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