In-N-Out Nutrition Calculator: Calories, Protein, Carbs & Sodium

Staring at the In-N-Out menu, you’re probably just craving that perfect, salty bite, but that post-meal bloat and the guilt of hidden numbers can totally ruin the vibe. We’ve all been there, thinking the fries are the villain, only to realize later that your go-to order is secretly packing more than half your daily sodium limit in a single, greasy burger.

Instead of guessing, use this In-N-Out Nutrition Calculator to finally take control and build your exact tray, from patties to shakes, before you even reach the window. By swapping to Protein Style or ditching the spread, you can slash those numbers instantly, turning a “cheat meal” into a guilt-free win that actually keeps you hitting your goals.

The short version

• The burger is the salt bomb, not the fries. Double-Double: 1,670 mg sodium. Fries: ~245 mg.
• Protein Style (lettuce instead of bun) saves roughly 150 calories and 30g of carbs.
• “Mustard and ketchup instead of spread” is a real, free order. It takes a Hamburger from ~390 to ~300 calories.
• Stack both and a Double Meat lands around 410 calories with 26g protein, the best ratio on the menu.

What this calculator actually does

It adds up calories, protein, carbs, fat and sodium for your specific order, number of patties, cheese slices, spread or no spread, bun or lettuce, plus fries, shakes and drinks. People call it an In-N-Out calorie calculator, calorie counter or macro calculator. Same job: your actual tray.

You’d think a menu this small wouldn’t need one. Four items on the board, hamburger, cheeseburger, Double-Double, fries. But In-N-Out’s genius is that everything is made to order, and the not-so-secret menu means the same burger can be assembled a dozen ways. A Double-Double is 610 calories. A Double-Double, Protein Style, mustard-and-ketchup instead of spread, is a fundamentally different meal.

The board doesn’t tell you that. The calculator does.

How to use it in ten seconds

1. Pick your base, Hamburger, Cheeseburger, Double-Double, or a not-so-secret build (Double Meat, 3×3, 4×4, Grilled Cheese).
2. Bun or Protein Style? This is your biggest carb decision.
3. Spread, or mustard and ketchup? This is your biggest fat decision.
4. Add sides and drinks, fries, Animal Style fries, shake, soda, water.

Then run the two-step experiment: switch your usual burger to Protein Style, then switch the spread to mustard and ketchup. Watch the calories fall by a third without touching a single patty. That’s the whole strategy, right there.

The sodium surprise

Let’s deal with the counterintuitive part first, because it changes how you should order.

Per In-N-Out’s own published nutrition, a Double-Double with onion carries 1,670 mg of sodium alongside 610 calories, 34g fat and 15g saturated fat. The FDA’s daily value for sodium is 2,300 mg. The American Heart Association’s ideal target is closer to 1,500 mg.

So one Double-Double, not a combo, just the burger, exceeds the AHA’s entire ideal daily sodium intake.

Now look at the fries: roughly 370 calories and about 245 mg of sodium. For comparison, a medium McDonald’s fry runs around 400 mg. In-N-Out’s fries are hand-cut, cooked in 100% sunflower oil, and lightly salted. They also carry about 6g of fiber, which is more than most fries manage.

The fries are the low-sodium item on your tray. The salt is in the cheese, the spread, and the patties.

That doesn’t make fries a health food, they’re still 370 calories and 49g of carbs. But if you’re managing blood pressure, the lever is the burger, not the side.

What actually lowers sodium here:

• Drop a cheese slice. Cheese is a major contributor.
• Mustard and ketchup instead of spread.
• Order a Hamburger instead of a Cheeseburger, or a single instead of a Double.
• Extra lettuce, tomato and onion are essentially free.

The two free hacks that do all the work

In-N-Out’s “not-so-secret menu” is genuinely published by the company. These aren’t internet myths. Both are free. Both stack.

1. Protein Style

Your burger, wrapped in lettuce instead of a bun. It saves roughly 150 calories and about 30 grams of carbs, a cut of 40 to 50% on the lighter burgers, and about 75% of the carbs.

A Hamburger Protein Style lands near 200 to 240 calories. That’s a real burger, in the calorie range of a granola bar.

And the practical bit nobody mentions: the lettuce wrap holds together better than people expect. It’s messy in a satisfying way, not a catastrophic one.

2. Mustard and ketchup instead of spread

In-N-Out’s spread is a Thousand Island, style sauce, mayo-based, so it’s mostly fat. Swapping it for mustard and ketchup is a standard order.

A Hamburger with mustard and ketchup instead of spread is around 300 calories (versus ~390 standard), with roughly 9g fat, 37g carbs and 16g protein.

Stack them

Here’s the order I’d put on a card and hand to anyone tracking macros:

“Double Meat, Protein Style, mustard and ketchup instead of spread.”

That’s roughly 410 calories with about 26g of protein, two beef patties, no bun, no mayo-based sauce. It is, by a distance, the best protein-per-calorie order on the In-N-Out menu, and it costs nothing extra.

The full menu, honestly

Item	Approx. calories	Notes
Hamburger Protein Style	~200 to 240	Lowest on the menu
Hamburger (mustard & ketchup)	~300	16g protein, 9g fat
Hamburger	~390	Standard, with spread
Double Meat (mustard & ketchup)	~410	~26g protein, best ratio
Cheeseburger	~480
Double-Double w/ onion	610	34g fat, 1,670 mg sodium
French Fries	~370	~245 mg sodium, 6g fiber
Animal Style Fries	~750+	Cheese, spread, grilled onions
Shake (15 oz)	~580 to 610	Real ice cream, ~74g carbs

Animal Style fries deserve a note. They’re one of the most calorie-dense things on the menu, the fries are fine, it’s the melted cheese, spread and grilled onions on top. Around 750+ calories. Share them, or accept them as the meal rather than the side.

A full combo, Double-Double, fries, and a shake, clears 1,500+ calories and pushes past 2,000 mg of sodium. That’s not a scold; it’s just arithmetic worth seeing before you order.

Keto and low-carb at In-N-Out

In-N-Out is one of the easiest fast-food stops for keto, and it’s not close.

The build: any burger, Protein Style, hold the spread (or accept it, it’s fat, which is fine on keto), extra cheese if you want it. No bun means very few carbs. Skip the ketchup if you’re strict; it carries sugar. Mustard is essentially free.

The Flying Dutchman, two patties, two slices of cheese, nothing else, no bun, is another not-so-secret order that’s naturally low carb.

Skip: fries (49g carbs), shakes (~74g carbs), regular soda, and the bun in any form.

Water, unsweetened iced tea and diet soda keep the drink at zero.

Chasing protein instead?

If protein is the goal, the patty count is your dial and the bun is your enemy.

• Double Meat, mustard & ketchup: ~410 cal, ~26g protein
• Double-Double: 610 cal, ~34g protein
• 3×3 and 4×4: more patties, more protein, and calories climbing fast, a 4×4 gets well past 1,000

The efficient path is always more patties, Protein Style, no spread. You’re adding beef and removing bread and mayonnaise, which is exactly the trade you want.

Frequently Asked Questions

How accurate is the In-N-Out Nutrition Calculator?

It’s a close estimate built on In-N-Out’s official published nutrition data. The caveat is real, though: In-N-Out cooks to order and its published figures cover standard items with standard toppings. Custom modifications, extra spread, no onion, a lighter hand on the cheese, aren’t reflected in the printed numbers, and not-so-secret builds may vary slightly in preparation. In-N-Out also notes that sodium in drinks varies depending on the local water supply. Use the total as a reliable planning figure.

Does In-N-Out publish official nutrition information?

Yes. In-N-Out provides nutrition information on its website and as a downloadable PDF, covering calories, fat, saturated fat, cholesterol, sodium, carbohydrates, fiber, sugar and protein for its menu items, including Protein Style variations.

How many calories are in a Double-Double?

A Double-Double with onion is 610 calories, with 34g of fat, 15g of saturated fat, 42g of carbs and 1,670 mg of sodium. Ordered Protein Style, you cut roughly 150 calories and about 30g of carbs. Swapping the spread for mustard and ketchup cuts more fat on top of that.

What does Protein Style actually save?

Roughly 150 calories and about 30 grams of carbohydrate, by replacing the bun with a lettuce wrap. On the lighter burgers that’s a 40 to 50% calorie reduction and about a 75% carb reduction. It’s the single most effective free change on the menu.

What is the healthiest thing at In-N-Out?

A Hamburger Protein Style is the lowest-calorie item at roughly 200 to 240 calories. For a better balance of protein and calories, a Double Meat Protein Style with mustard and ketchup instead of spread lands near 410 calories with about 26g of protein. Pair either with water and skip the fries and shake.

Are In-N-Out fries actually healthy?

Healthier than you’d guess, in one specific way. At about 370 calories with 49g of carbs, they’re still fries, but they carry only around 245 mg of sodium (less than a medium McDonald’s fry), about 6g of fiber, and they’re hand-cut and cooked in 100% sunflower oil. Animal Style fries are a different story at 750+ calories.

How much sodium is in an In-N-Out burger?

More than most people expect. A Double-Double with onion carries 1,670 mg, about 73% of the FDA’s 2,300 mg daily value, and above the American Heart Association’s 1,500 mg ideal daily target, in a single burger. Dropping cheese, skipping the spread, or ordering a single rather than a double all bring it down meaningfully.

Can I eat keto at In-N-Out?

Very easily. Order any burger Protein Style, which removes the bun and nearly all the carbs. Add cheese freely. Skip ketchup if you’re strict about sugar, and skip fries, shakes and regular soda entirely. The Flying Dutchman, two patties, two slices of cheese, nothing else, is a naturally keto not-so-secret order.

Go build your order

In-N-Out is one of the rare fast-food menus where the good version of your meal costs nothing extra and tastes just as good. Protein Style is free. Mustard and ketchup instead of spread is free. Nobody at the window will blink.

And now you know where the salt actually is, which is not where you thought.

Scroll back up, build the order you actually place. Then flip it Protein Style and watch what happens.

Related Calculators

Comparing menus? These calculators work the same way:

• calories and macros at McDonald’s
• Burger King nutrition facts
• the Culver’s calculator
• Carl’s Jr. menu nutrition
• Dairy Queen calorie breakdown
• Chick-fil-A nutrition calculator

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Disclaimer: This page is not affiliated with, endorsed by, or officially connected to In-N-Out Burgers. Nutrition values are based on In-N-Out’s publicly available official data and will vary by customization, preparation and location, In-N-Out notes that sodium content of drinks varies depending on water supply, and custom modifications are not reflected in standard published figures. This is not medical or dietary advice, for personalized guidance, consult a registered dietitian or physician, and for allergen concerns, confirm directly with In-N-Out.