Carbs in Mayo
Keto-friendlyMayo (per 100 g) contains 8.5g total carbs, 8.4g net carbs, 32.9g fat, 0.6g protein, and 334 calories.
Last updated June 10, 2026 · Reviewed by Jordan Lee, RD, Registered Dietitian

8.4g
Net carbs
8.5g
Total carbs
0.1g
Fiber
0.6g
Protein
32.9g
Fat
334
Calories
Values per 100 g.
Carbs by serving size
| Serving | Net carbs | Total carbs | Protein | Calories |
|---|---|---|---|---|
| 100 g (3.5 oz) | 8.4g | 8.5g | 0.6g | 334 |
| 1 oz (28 g) | 2.4g | 2.4g | 0.2g | 94 |
Nutrition facts
| Nutrient | Amount (per 100 g) |
|---|---|
| Calories | 334 |
| Total carbs | 8.5g |
| Net carbs | 8.4g |
| Fiber | 0.1g |
| Sugar | 4.2g |
| Sugar alcohols | 0g |
| Protein | 0.6g |
| Fat | 32.9g |
| Sodium | 633mg |
| Potassium | 52mg |
Source: USDA FoodData Central (SR Legacy). Net carbs = total carbs − fiber − sugar alcohols, computed by CarbMeNot.
Frequently asked questions
- How many carbs are in mayo?
- Mayo has 8.5g of total carbs and 8.4g of net carbs per 100 grams.
- How many net carbs are in mayo?
- Mayo has 8.4g of net carbs per 100 grams (total carbs 8.5g minus 0.1g fiber).
- Is mayo keto-friendly?
- Yes — with 8.4g net carbs per 100g, mayo fits a ketogenic diet in normal portions.
- How many calories are in mayo?
- Mayo has 334 calories per 100 grams.



