Home / In-N-Out Burger / 3x3 Protein Style & Diet Coke
In-N-Out Burger
3x3 Protein Style & Diet Coke
3x3 Protein Style & Diet Coke at In-N-Out Burger has 630 calories, 44g protein, 14g carbs and 43g fat — sourced from In-N-Out Burger Nutrition Facts, not AI guesses. Three beef patties, three slices American cheese, spread, lettuce, tomato, onion - lettuce-wrapped instead of bun (secret menu protein style); paired with a Diet Coke (0 cal) to make a complete high-protein keto meal.
At In-N-Out Burger, the 3x3 Protein Style & Diet Coke is a solid high-protein order and keto- and low-carb-friendly. That works out to 7g of protein per 100 calories — 19g above the 25g In-N-Out Burger average. Its macros land at roughly 28% of calories from protein, 9% from carbs and 61% from fat. Contains dairy.
Source: In-N-Out Burger Nutrition Facts ↗, last verified Jun 17, 2026. Menus change periodically; values may vary by location. How we verify →
See all 17 In-N-Out Burger meals → · Highest-protein In-N-Out Burger meals → · In-N-Out Burger nutrition calculator →
More from In-N-Out Burger
3x3 Protein Style & Diet Coke — common questions
How much protein is in the 3x3 Protein Style & Diet Coke at In-N-Out Burger?
How many calories are in the 3x3 Protein Style & Diet Coke?
Is the 3x3 Protein Style & Diet Coke keto-friendly?
Does the 3x3 Protein Style & Diet Coke contain allergens?
“Great app that comes in handy while dieting. I don't have to think about what to order, any pick from the app will keep me within my calories.”
“I've never had an app tell me all the healthy options at different fast foods.”
“Helped me hit my goals and gave amazing recommendations!”
See how 3x3 Protein Style & Diet Coke fits your day.
MacroBite scores this against the calories and protein you have left today — and logs it in one tap.
Rated 4.7★ by 1000+ people · 3-day free trial · Cancel anytime
