Carbs in Jimmy Johns Gargantuan
How many carbs are in jimmy johns gargantuan?
Jimmy Johns Gargantuan has 57.1g net carbs per 100g — 60.7g total carbs minus 3.6g fiber — plus 5.4g protein, 28.6g fat, and 518 calories. That makes jimmy johns gargantuan high in net carbs and higher than the typical fast-food item, which averages about 26.5g net carbs per 100g. At this carb count, jimmy johns gargantuan is best limited to small portions on keto (usually 20–50g net carbs per day). Values are per per 100 g, sourced from Open Food Facts; net carbs are computed by CarbMeNot.
Keeping an eye on carbs in jimmy johns gargantuan?
Jimmy Johns Gargantuan runs higher in carbs, so portions matter. CarbMeNot tracks every gram from a photo, so you stay under your daily limit without the math.
Last updated June 10, 2026 · Reviewed by Jordan Lee, Nutrition Editor
Values per 100 g.
Is jimmy johns gargantuan keto-friendly?
Jimmy Johns Gargantuan is generally not keto-friendly. It has 57.1g net carbs per 100g (60.7g total carbs − 3.6g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 57.1g | 60.7g | 5.4g | 518 |
| 1 oz (28 g) | 16g | 17g | 1.5g | 145 |
How many calories are in jimmy johns gargantuan?
Jimmy Johns Gargantuan has 518 calories per 100g. That's alongside 5.4g protein, 28.6g fat, and 57.1g net carbs per 100g.
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 518 |
| Total carbs | 60.7g |
| Net carbs | 57.1g |
| Fiber | 3.6g |
| Sugar | 8.9g |
| Sugar alcohols | 0g |
| Protein | 5.4g |
| Fat | 28.6g |
| Sodium | 411mg |
| Potassium | 0mg |
Source: Open Food Facts (Jimmy johns). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
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Frequently asked questions
- How many carbs are in jimmy johns gargantuan?
- Jimmy Johns Gargantuan has 60.7g of total carbs and 57.1g of net carbs per 100 grams.
- How many net carbs are in jimmy johns gargantuan?
- Jimmy Johns Gargantuan has 57.1g of net carbs per 100 grams (total carbs 60.7g minus 3.6g fiber).
- Is jimmy johns gargantuan keto-friendly?
- Jimmy Johns Gargantuan is generally not keto-friendly. It has 57.1g net carbs per 100g (60.7g total carbs − 3.6g fiber). On a standard keto diet (20–50g net carbs per day), even one serving uses a large share of your daily carbs, so keep portions small or save it for a higher-carb day.
- How many calories are in jimmy johns gargantuan?
- Jimmy Johns Gargantuan has 518 calories per 100 grams.
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CarbMeNot provides general nutrition information, not medical advice. Values are estimates — verify before relying on them for any health decision. See our Medical Disclaimer.