# Walnuts nutrition: 15 g protein per 100 g (est.) | Macro Friendly Meals

15 g protein per 100 g, 4.2 g per 1 oz (~14 halves).

Updated 2026-10-08 - data v2026-10-08.2

Estimated nutrition for Walnuts, per 100 g and per 1 oz (~14 halves) (28 g).

## Nutrition

|  | kcal | P | C | F |
| --- | --- | --- | --- | --- |
| Per 100 g | 654 | 15 | 14 | 65 |
| Per serving (1 oz (~14 halves), 28 g) | 183 | 4.2 | 3.9 | 18.2 |

Protein per 100 kcal: 2.3 g.

## Cost

Est. cost per serving: $0.50–$1.10 (est.).

Est. cost midpoint: $0.80 (est.).

Est. $ per 10 g protein: $1.90 (est.).

## Diet and scores

Keto, Low-carb, Paleo, Mediterranean, Vegetarian, Vegan, Pescatarian, Gluten-Free, Dairy-Free

Efficiency 9 / Taste 7 / Overall 8.

Longevity: Omega-3 (ALA); strong heart/brain evidence

## Recipes using this food

None yet.

## Related

- [Hazelnuts](https://macrofriendlymeals.com/foods/hazelnuts) (2.4 g protein / 100 kcal)
- [Brazil nuts](https://macrofriendlymeals.com/foods/brazil-nuts) (2.1 g protein / 100 kcal)
- [Pine nuts](https://macrofriendlymeals.com/foods/pine-nuts) (2.1 g protein / 100 kcal)
- [Cream cheese](https://macrofriendlymeals.com/foods/cream-cheese) (1.8 g protein / 100 kcal)
- [Dark chocolate (85%)](https://macrofriendlymeals.com/foods/dark-chocolate-85) (1.7 g protein / 100 kcal)
- [Pork belly, cooked](https://macrofriendlymeals.com/foods/pork-belly-cooked) (1.7 g protein / 100 kcal)

Nutrition values are estimates until a USDA record is attached. Not medical advice.

USDA FDC ID: not yet verified (est.)

Canonical: https://macrofriendlymeals.com/foods/walnuts

Cite as: Macro Friendly Meals, "Walnuts nutrition", https://macrofriendlymeals.com/foods/walnuts, data v2026-10-08.2.