In-N-Out Protein Style 3x3 Nutrition
Worked out from In-N-Out's official figures, as of October 12, 2026.
Estimate. In-N-Out publishes no figures for this; ours are worked out from the ones it publishes. The 3x3 is counted as a Double-Double plus one more patty with a slice of cheese, which is what the Double-Double has over the Cheeseburger.
Style
790calories
With Spread · 345 g
Protein
48g
24% of cal
Carbs
44g
22% of cal
Fat
47g
53% of cal
By style With Spread: 790 cal, 48g protein · Mustard & Ketchup: 720 cal, 48g protein · Protein Style: 640 cal, 44g protein
720calories
Mustard & Ketchup · 338 g
Protein
48g
27% of cal
Carbs
43g
24% of cal
Fat
39g
49% of cal
By style With Spread: 790 cal, 48g protein · Mustard & Ketchup: 720 cal, 48g protein · Protein Style: 640 cal, 44g protein
640calories
Protein Style · 347 g
Protein
44g
28% of cal
Carbs
13g
8% of cal
Fat
45g
64% of cal
By style With Spread: 790 cal, 48g protein · Mustard & Ketchup: 720 cal, 48g protein · Protein Style: 640 cal, 44g protein
Nutrition Facts
3x3, With Spread
Serving size345 g
Amount per servingCalories
790% Daily Value*
Total Fat 47g60%
Saturated Fat 22g110%
Trans Fat 0g
Cholesterol 165mg55%
Sodium 2260mg98%
Total Carbohydrate 44g16%
Dietary Fiber 2g7%
Total Sugars 9g
Protein 48g96%
* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Our estimate from figures In-N-Out publishes, not In-N-Out's own; n/a = not published.
Nutrition Facts
3x3, Mustard & Ketchup
Serving size338 g
Amount per servingCalories
720% Daily Value*
Total Fat 39g50%
Saturated Fat 21g105%
Trans Fat 0g
Cholesterol 155mg52%
Sodium 2180mg95%
Total Carbohydrate 43g16%
Dietary Fiber 2g7%
Total Sugars 11g
Protein 48g96%
* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Our estimate from figures In-N-Out publishes, not In-N-Out's own; n/a = not published.
Nutrition Facts
3x3, Protein Style
Serving size347 g
Amount per servingCalories
640% Daily Value*
Total Fat 45g58%
Saturated Fat 22g110%
Trans Fat 0g
Cholesterol 165mg55%
Sodium 1980mg86%
Total Carbohydrate 13g5%
Dietary Fiber 2g7%
Total Sugars 7g
Protein 44g88%
* The % Daily Value tells you how much a nutrient in a serving contributes to a daily diet. 2,000 calories a day is used for general nutrition advice. Our estimate from figures In-N-Out publishes, not In-N-Out's own; n/a = not published.
More In-N-Out Not-So-Secret Menu
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