Seaweed Snack (Roasted Nori) Calories & Nutrition Facts
Ultra-low calorie Japanese snack made from dried nori seaweed, rich in iodine and minerals.
Quick answer
How many calories are in Seaweed Snack (Roasted Nori)?
Seaweed Snack (Roasted Nori) has 35 calories per 100g. A 1 oz (28g) has about 10 calories. It is a low-calorie food, with most calories coming from protein.
Practical Portion Guide for Seaweed Snack (Roasted Nori)
| Portion | Calories | Protein | Carbs | Net carbs | Fat |
|---|---|---|---|---|---|
| 1 oz (28g) | 10 kcal | 1.6g | 0.3g | 0.2g | 0.1g |
| 50g snack portion | 18 kcal | 2.9g | 0.5g | 0.3g | 0.1g |
| 100g reference | 35 kcal | 5.8g | 1.0g | 0.7g | 0.3g |
| 200g larger portion | 70 kcal | 11.6g | 2.0g | 1.4g | 0.6g |
Small measuring differences matter for calorie-dense foods. Weighing the portion is more reliable than estimating by handfuls or spoons.
Serving Size Calculator
Macros Breakdown (per 100g)
Diet Suitability
How Seaweed Snack (Roasted Nori) Fits Into a Diet
Seaweed Snack (Roasted Nori) is a low-calorie option that can add flavor, fats, and texture without a large food volume.
Pair with a higher-volume food such as fruit, vegetables, yogurt, or oats when you want the flavor without overshooting calories.
Roasting method, added oils, salt, sweeteners, and brand formulas can change calories and sodium compared with the reference value.
Plan Around Seaweed Snack (Roasted Nori)
Healthy Snacks for Weight Loss
Plan snack portions when foods like Seaweed Snack (Roasted Nori) are easy to over-pour.
Empty Calories Guide
Separate filling snacks from calorie-dense extras that do not keep you full.
Keto Diet Guide
Check how low-carb foods like Seaweed Snack (Roasted Nori) fit within a ketogenic day.
Calorie Calculator
Calculate your daily intake target before choosing serving sizes.
Compare Seaweed Snack (Roasted Nori) With Similar Snacks
Use this comparison when choosing a serving. Calories alone do not tell the full story: protein, fiber, fat, sodium, and realistic portion size determine whether a food fits your plan.
| Food | Calories | Protein | Carbs | Fat | Fiber |
|---|---|---|---|---|---|
| Seaweed Snack (Roasted Nori) | 35 kcal | 5.8g | 1g | 0.3g | 0.3g |
| Dark Chocolate (70-85%) | 598 kcal | 7.8g | 46g | 43g | 10.9g |
| Potato Chips | 536 kcal | 7g | 53g | 35g | 4.8g |
| Popcorn (Air-popped) | 375 kcal | 12g | 74g | 4.5g | 15g |
| Pretzels | 381 kcal | 9.3g | 80g | 3.1g | 2.9g |
| Rice Cakes (Plain) | 387 kcal | 8.2g | 81g | 3.5g | 1.7g |
All comparison values use each food's 100-unit reference so foods can be compared on the same basis.
Vitamins & Minerals
Vitamins
Minerals
Complete Nutrition Facts (per 100g)
Methodology & Nutrition Data Sources
How we calculate nutrition data for Seaweed Snack (Roasted Nori): Our calorie and macronutrient data integrates multiple authoritative federal nutrition databases. Values shown reflect standard serving sizes unless specified, based on USDA laboratory analysis of raw and prepared food samples.
- Calorie and macronutrient data sourced from the USDA FoodData Central — the comprehensive federal nutrition database covering 1M+ food items with full nutrient profiles.
- Daily Value percentages (% DV) based on FDA Daily Value reference amounts for a 2,000 calorie diet, as established under 21 CFR 101.9.
- Dietary reference intakes (DRI) for vitamins and minerals from the NIH Dietary Reference Intake tables — the gold standard for nutrient adequacy assessment.
- Glycemic index values cross-referenced with Harvard Health Glycemic Index Reference and University of Sydney GI database.
- Dietary guidelines context from the HHS/USDA Dietary Guidelines for Americans 2020–2025 — the federal evidence-based nutrition guidance.
Authoritative nutrition data sources:
- USDA FoodData Central — comprehensive food composition database
- FDA Nutrition Facts Label rules — % Daily Value methodology
- NIH Office of Dietary Supplements — vitamin and mineral research
- CDC Nutrition — Public Health Guidance — chronic disease and diet
- HHS/USDA Dietary Guidelines 2020–2025 — federal nutrition recommendations
- Harvard T.H. Chan School of Public Health — The Nutrition Source — evidence-based dietary guidance
Nutrition Disclaimer: Calorie and nutrient values are based on standard USDA reference data and may vary by brand, preparation method, ripeness, and cooking technique. These values are for informational purposes only and should not replace personalized dietary advice from a registered dietitian. Individuals with medical conditions should consult a healthcare provider before making significant dietary changes.
Reviewed by Brazora Monk · Last updated May 17, 2026 · USDA FoodData Central & FDA Nutrition data current as of latest release
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Frequently Asked Questions
How many calories are in Seaweed Snack (Roasted Nori)?
Seaweed Snack (Roasted Nori) contains 35 calories per 100g serving. This includes 23 calories from protein, 4 calories from carbohydrates, and 3 calories from fat.
Is Seaweed Snack (Roasted Nori) good for weight loss?
Yes, Seaweed Snack (Roasted Nori) is excellent for weight loss with only 35 calories per 100g. It is low in calories and can help you feel satisfied while maintaining a calorie deficit.
How much protein is in Seaweed Snack (Roasted Nori)?
Seaweed Snack (Roasted Nori) contains 5.8g of protein per 100g. This is a relatively low protein food; consider pairing it with higher protein sources.
What serving size should I track for Seaweed Snack (Roasted Nori)?
Track Seaweed Snack (Roasted Nori) by grams when precision matters. A practical starting point is 1 oz (28g), which is about 10 calories. For packaged, restaurant, fried, sauced, or sweetened versions, use the product label because brand formulas can differ from the plain reference.
Is Seaweed Snack (Roasted Nori) keto-friendly?
Yes, Seaweed Snack (Roasted Nori) is keto-friendly with only 1g of carbohydrates per 100g. It fits well within the typical keto macro limits of 20-50g net carbs per day.
Is Seaweed Snack (Roasted Nori) good for diabetics?
Seaweed Snack (Roasted Nori) is generally suitable for people with diabetes. Its carbohydrate content and fiber help support stable blood sugar levels. Always consult your healthcare provider for personalized advice.
What vitamins and minerals are in Seaweed Snack (Roasted Nori)?
Seaweed Snack (Roasted Nori) is a good source of vitamins A, C, B12, K and minerals including Iodine, Iron, Calcium, Magnesium. These nutrients support various bodily functions from energy metabolism to immune health.
Where does Calorique get nutrition data for Seaweed Snack (Roasted Nori)?
Calorique standardizes Seaweed Snack (Roasted Nori) nutrition values per 100g using USDA FoodData Central reference fields where available, then scales the data into realistic serving sizes. FDA Nutrition Facts methodology and authoritative nutrition references are used for context. This page was last reviewed May 17, 2026.
Related Calculators
Dark Chocolate (70-85%)
598 cal · 7.8g protein per 100g
Potato Chips
536 cal · 7g protein per 100g
Popcorn (Air-popped)
375 cal · 12g protein per 100g
Pretzels
381 cal · 9.3g protein per 100g
Rice Cakes (Plain)
387 cal · 8.2g protein per 100g
Granola Bar
471 cal · 8.3g protein per 100g
Trail Mix (Nuts & Dried Fruit)
462 cal · 12g protein per 100g
Peanut Butter (Natural)
598 cal · 25g protein per 100g