Peanut Butter (Natural) Calories & Nutrition Facts
High protein and healthy fat spread, supports satiety, heart health and muscle building.
Quick answer
How many calories are in Peanut Butter (Natural)?
Peanut Butter (Natural) has 598 calories per 100g. A 1 tbsp (16g) has about 96 calories. It is a calorie-dense food, with most calories coming from fat.
Practical Portion Guide for Peanut Butter (Natural)
| Portion | Calories | Protein | Carbs | Net carbs | Fat |
|---|---|---|---|---|---|
| 1 tbsp (16g) | 96 kcal | 4.0g | 3.2g | 2.2g | 8.2g |
| 2 tbsp serving (32g) | 191 kcal | 8.0g | 6.4g | 4.5g | 16.3g |
| 1 tsp (5g) | 30 kcal | 1.3g | 1.0g | 0.7g | 2.6g |
| 100g reference | 598 kcal | 25.0g | 20.0g | 14.0g | 51.0g |
The practical serving is usually 2 tablespoons, not 100g. Measuring by tablespoon can drift high, so a gram scale is better for weight-loss tracking.
Serving Size Calculator
Macros Breakdown (per 100g)
Diet Suitability
Glycemic Index: 14 (Low)
How Peanut Butter (Natural) Fits Into a Diet
Natural peanut butter is useful when you want compact calories, fats, and protein in oatmeal, smoothies, toast, sauces, or snacks.
Pair peanut butter with fruit, whole-grain bread, yogurt, or a protein smoothie depending on whether you need carbs, fiber, or more protein.
Natural peanut butter, sweetened spreads, reduced-fat versions, and salted brands can vary meaningfully in sugar, sodium, and total calories.
Plan Around Peanut Butter (Natural)
Healthy Snacks for Weight Loss
Plan snack portions when foods like Peanut Butter (Natural) 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 Peanut Butter (Natural) fit within a ketogenic day.
Calorie Calculator
Calculate your daily intake target before choosing serving sizes.
Compare Peanut Butter (Natural) 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 |
|---|---|---|---|---|---|
| Peanut Butter (Natural) | 598 kcal | 25g | 20g | 51g | 6g |
| 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 Peanut Butter (Natural): 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 Peanut Butter (Natural)?
Peanut Butter (Natural) contains 598 calories per 100g serving. This includes 100 calories from protein, 80 calories from carbohydrates, and 459 calories from fat.
Is Peanut Butter (Natural) good for weight loss?
Peanut Butter (Natural) is calorie-dense at 598 per 100g. For weight loss, use it in smaller portions and balance with lower-calorie, high-fiber foods to manage total intake.
How much protein is in Peanut Butter (Natural)?
Peanut Butter (Natural) contains 25g of protein per 100g. This makes it an excellent high-protein food, ideal for muscle building and recovery.
What serving size should I track for Peanut Butter (Natural)?
Track Peanut Butter (Natural) by grams when precision matters. A practical starting point is 1 tbsp (16g), which is about 96 calories. For packaged, restaurant, fried, sauced, or sweetened versions, use the product label because brand formulas can differ from the plain reference.
Is Peanut Butter (Natural) keto-friendly?
Yes, Peanut Butter (Natural) is keto-friendly with only 20g of carbohydrates per 100g. It fits well within the typical keto macro limits of 20-50g net carbs per day.
Is Peanut Butter (Natural) good for diabetics?
Peanut Butter (Natural) is generally suitable for people with diabetes with a glycemic index of 14. 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 Peanut Butter (Natural)?
Peanut Butter (Natural) is a good source of vitamins B3, E, B6, B1, Folate and minerals including Manganese, Magnesium, Phosphorus, Copper, Zinc, Potassium. These nutrients support various bodily functions from energy metabolism to immune health.
Where does Calorique get nutrition data for Peanut Butter (Natural)?
Calorique standardizes Peanut Butter (Natural) 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
Hummus
177 cal · 7.9g protein per 100g