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The Short Answer
Walnuts are one of the easiest ways to add healthy calories. One whole walnut (2 halves) has about 26 calories, and a 30 g handful has about 195 calories, mostly from good fats. For weight gain, eat 8 to 10 whole walnuts a day spread across meals, alongside enough protein and regular meals. Walnuts help, but they cannot replace eating enough food overall.
Calories in Walnuts
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Based on USDA data (654 kcal per 100 g).
| Amount | Calories |
|---|---|
| 1 walnut half (about 2 g) | 13 kcal |
| 1 whole walnut (2 halves) | 26 kcal |
| 5 whole walnuts | 130 kcal |
| 30 g handful | 195 kcal |
| 100 g | 654 kcal |
Why Walnuts Work for Weight Gain
- Calorie dense. You get a lot of energy from a small amount, which helps people who feel full quickly.
- Good fats. Most of the calories come from unsaturated fats, including omega-3, not sugar.
- Easy to add. They fit into milk, shakes, oats, curd and rotis without much effort.
A Simple Daily Plan
Morning
4 soaked walnuts with breakfast, or blended into a banana shake.
Mid-morning
A handful of walnuts and almonds with a glass of milk.
Evening
2 to 3 walnuts chopped into curd, poha or a sandwich.
Before bed
Warm milk with a spoon of crushed walnuts and a pinch of cardamom.
Walnut Banana Shake (about 450 calories)
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Blend 1 ripe banana, 1 glass full-cream milk, 4 walnuts, 4 almonds, 1 tablespoon oats and 1 or 2 dates or a spoon of honey. Drink it with breakfast or after a workout.
Tips for Healthy Weight Gain
- Eat 3 meals and 2 to 3 snacks. Walnuts work best as part of the snacks.
- Get enough protein from dal, paneer, curd, eggs or milk so the weight you gain is not only fat.
- Strength training helps the extra calories go into muscle.
- If you are underweight without a clear reason, see a doctor. Thyroid or digestive problems can cause it.
Buy Walnuts
Chilean whole walnuts are the cheapest at ₹249 for 200 g, and American walnut giri is ₹390 for 200 g if you want them ready to eat. Pair them with California almonds. For more ideas, read dry fruits for weight gain.
Editorial Note
How we publish Chau Foods blog guides
This article is published by the Chau Foods editorial team for general food education, ingredient guidance, and shopping support. It is not a substitute for medical advice, diagnosis, or treatment.
Reader Checklist
- Published on 11 October 2026
- Last reviewed and updated on 11 October 2026 by the Chau Foods editorial team.
- Use this guide for food education and buying decisions, not medical treatment.
- If you have allergies or a clinical diet plan, check with a qualified professional first.
About the Author
Chau Foods Editorial Team
This guide is written and fact-checked by the Chau Foods editorial team - a small group of FSSAI-certified food specialists based in Rohini, Delhi. Led by founder Mohit, the team combines direct farm-sourcing experience (California almonds, Bihar makhana from Darbhanga & Madhubani, Kashmir walnuts, Kerala spices) with hands-on quality control at the Chau Foods packing facility. We publish only what we would feed our own families, cite Indian nutrition data where relevant, and refresh every article when sourcing, pricing, or health guidelines change.
- Credentials
- FSSAI Lic. 13321008000704
- Based in
- Rohini, Delhi · since 2020
- Rating
- 4.9/5 · 27+ Google reviews
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