In-N-Out Burger under 400 calories: 15 orders, ranked

Of the 20 single orders we track at In-N-Out Burger, 15 come in at or under 400 calories — 75%. The most protein in one item under 400 is the Cheeseburger with Mustard & Ketchup Instead of Spread, 20 g for 380 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). 5 entrées fit under 400; 4 do not.

Source: In-N-Out Burger nutrition guide (official) · Data refreshed October 12, 2026 · protein missing for 8 of 20 items; fat missing for 8 of 20 items

• 15 orders under 400
• 20g most protein in one item
• 22g protein in a full meal
• 4 entrées over 400

As of October 2026, 15 of the 20 In-N-Out Burger single orders we track come in at or under 400 calories, and the most protein in a complete In-N-Out Burger meal under 400 is 22 g (A Hamburger ProteinStyle (Bun Replaced with Lettuce) and a 10-ounce Milk).

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

Under 400, the most-protein meal is built on the Hamburger ProteinStyle (Bun Replaced with Lettuce) (210 cal), which leaves 190 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). The lightest meal is unchanged from under 300; the others use the extra 100 calories.

Build your own In-N-Out Burger order under 400 calories → Swap any item, add a side, share the link.

Every In-N-Out Burger 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 260 calories and 5 of the 15 are entrées. Figures as In-N-Out Burger published them, rounded to whole numbers (how we check them).

What 400 calories buys at In-N-Out Burger

Going from 300 to 400 calories adds 5 orders: 7up X-Lg (29 oz) (350), 7up (30 oz) (360), French Fries (360), Hamburger with Onion (360) and Cheeseburger with Mustard & Ketchup Instead of Spread (380).

What doesn't fit under 400

4 of 9 In-N-Out Burger entrées are over 400 calories; the lightest of them, the Cheeseburger with 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 with Onion (430) and Double-Double ProteinStyle (Bun Replaced with Lettuce) (460).

More at In-N-Out Burger

• In-N-Out Burger calories & nutrition (20 items listed)
• In-N-Out Burger under 300 calories (10 orders)
• In-N-Out Burger under 500 calories (17 orders)
• In-N-Out Burger under 600 calories (19 orders)
• In-N-Out Burger 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.

• Whataburger under 400
• Culver's under 400
• Dairy Queen under 400