
Low-carb swaps at In-N-Out
The bun is the big swap. Then the drink.
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In-N-Out Burger meals and sides, fewest carbs first
- Hamburger with Onion, Protein Style
PCF7 g net carbs

- Cheeseburger with Onion, Protein Style
PCF9 g net carbs

- Double-Double with Onion, Protein Style
PCF10 g net carbs

- Hamburger with Onion
PCF36 g net carbs

- Hamburger with Onion, Mustard and Ketchup
PCF36 g net carbs

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- Cheeseburger with Onion, Mustard and Ketchup
PCF37 g net carbs

- Cheeseburger with Onion
PCF38 g net carbs

- Double-Double with Onion, Mustard and Ketchup
PCF39 g net carbs

- Double-Double with Onion
PCF40 g net carbs

- French Fries
PCF43 g net carbs

Net carbs are carbs minus fiber. Source: In-N-Out Burger nutrition page, US menu, November 4, 2026. Not affiliated with In-N-Out Burger.
Questions
What is a low-carb In-N-Out order?
A Double-Double Protein Style with unsweetened tea has 12 g total carbs before any extras.
Does mustard and ketchup make In-N-Out low carb?
It mainly lowers calories and fat. The hamburger has 38 g carbs with either sauce option on a bun.
Is In-N-Out Lite Pink Lemonade carb-free?
No. The medium with ice has 4 g carbs. Unsweetened tea has none in the official nutrition sheet.
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