Carbs in In-N-Out Hamburger
How many carbs are in in-n-out hamburger?
In-N-Out Hamburger has 14.8g net carbs per 100g — 16g total carbs minus 1.2g fiber — plus 6.6g protein, 7.8g fat, and 160 calories. 1 hamburger with onion (243g) works out to about 36g net carbs and 389 calories. That makes in-n-out hamburger moderate in net carbs and lower than the typical fast-food item, which averages about 28.0g net carbs per 100g. At this carb count, in-n-out hamburger is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Manufacturer-reported values; net carbs are computed by CarbMeNot.
Keeping an eye on carbs in in-n-out hamburger?
In-N-Out Hamburger runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Free · no signup · ★ 4.7Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 1 hamburger with onion | 36g | 38.9g | 16g | 389 |
| 100 g (3.5 oz) | 14.8g | 16g | 6.6g | 160 |
| 1 oz (28 g) | 4.1g | 4.5g | 1.8g | 45 |
How many calories are in in-n-out hamburger?
In-N-Out Hamburger has 160 calories per 100g. 1 hamburger with onion (243g) has about 389 calories. That's alongside 6.6g protein, 7.8g fat, and 14.8g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 160 |
| Total carbs | 16g |
| Net carbs | 14.8g |
| Fiber | 1.2g |
| Sugar | 4.1g |
| Sugar alcohols | 0g |
| Protein | 6.6g |
| Fat | 7.8g |
| Sodium | 268mg |
| Potassium | 0mg |
Source: Manufacturer-reported values (fast-food). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in in-n-out hamburger?
- In-N-Out Hamburger has 16g of total carbs and 14.8g of net carbs per 100 grams.
- How many net carbs are in in-n-out hamburger?
- In-N-Out Hamburger has 14.8g of net carbs per 100 grams (total carbs 16g minus 1.2g fiber).
- Is in-n-out hamburger keto-friendly?
- In-N-Out Hamburger has 14.8g net carbs per 100g, which is high for keto. Enjoy it in small portions or save it for higher-carb days.
- How many calories are in in-n-out hamburger?
- In-N-Out Hamburger has 160 calories per 100 grams.
- How many carbs are in 1 hamburger with onion?
- 1 hamburger with onion (243g) has about 36g net carbs, 38.9g total carbs, and 389 calories.
