Macros in Peanut butter
Quick Answer
Peanut butter contains 10g protein, 20g carbs, and 5g fat per 100g. This macro breakdown makes it a balanced food for your diet. Scan peanut butter photos instantly to track macros for weight loss, muscle gain, or keto diets.
Macro Breakdown - Peanut butter
| Nutrient | Amount |
|---|---|
| Protein | 10g |
| Carbohydrates | 20g |
| Fat | 5g |
| Fiber | 2g |
| Calories | 150 kcal |
| Serving Size | 100g |
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Peanut butter Macros (Protein, Carbs, Fat)
Peanut butter provides a macro breakdown of 10g protein, 20g carbohydrates, and 5g fat per 100g. This translates to 27% of calories from protein, 53% from carbs, and 30% from fat. Understanding these macronutrient ratios helps you track whether peanut butter aligns with your dietary goals, whether that's hitting protein targets for muscle gain, limiting carbs for keto, or balancing macros for general health.
Protein Content in Peanut butter
Peanut butter contains 10g of protein per 100g. While peanut butter provides some protein, it's not a primary protein source. Combine it with high-protein foods like chicken, fish, eggs, or Greek yogurt to meet your daily protein goals. Use our protein calculator to determine your personal protein target based on your fitness goals.
Carbohydrates in Peanut butter
Peanut butter contains 20g of carbohydrates per 100g. This moderate carb content fits well into balanced diets and can support active lifestyles without causing significant blood sugar spikes. For diabetics, monitor portion sizes and pair carbs with protein to manage glucose levels effectively.
Fat Content in Peanut butter
Peanut butter contains 5g of fat per 100g. As a low-fat food, peanut butter is suitable for low-fat diets or when you're allocating fat macros to other meals. Remember that dietary fat doesn't make you fat—excess calories do. Fat is essential for health, providing 20-35% of daily calories in a balanced diet.
How to Track Peanut butter Macros Easily
Instead of manually entering peanut butter macros into a food database, use our free AI food scanner to track macros from photos instantly. Simply take a picture of your meal, and the AI identifies peanut butter and calculates portion-aware macros automatically. This eliminates guesswork around serving sizes and ensures accurate macro tracking for weight loss, muscle gain, or performance goals. The scanner works with restaurant meals, homemade dishes, and meal prep—no barcode needed for fresh foods.
Peanut butter Macro Ratios for Different Goals
The 10:20:5 gram ratio in peanut butter makes it versatile for various dietary approaches. For weight loss, prioritize high-protein foods to preserve muscle. For muscle gain, balance protein with sufficient carbs for energy and recovery. For keto, aim for high fat, moderate protein, and very low carbs (under 20g net carbs daily). Use our macro calculator to set personalized targets for your goal.
Best Time to Eat Peanut butter
Peanut butter can be eaten anytime based on your meal preferences and daily macro targets. Meal timing matters less than hitting your total daily macros. Whether you eat peanut butter at breakfast, lunch, or dinner, what counts is meeting your protein, carb, and fat goals for the day.
Portion Size & Serving Variations for Peanut butter
The standard serving size for peanut butter is 100g, which contains 10g protein, 20g carbs, and 5g fat. However, real-world portions often vary. Restaurant servings are typically 1.5-2x larger than standard servings, which means more calories and macros than listed here. Homemade portions depend on your preparation. To get accurate macros for YOUR specific portion, use our food scanner to analyze photos of your actual serving. The AI estimates portion size and adjusts macros accordingly—no food scale needed.
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Frequently Asked Questions
Q:What are the macros in peanut butter?
A: Peanut butter contains 10g protein, 20g carbs, and 5g fat per 100g.
Q:How much protein is in peanut butter?
A: Peanut butter provides 10g of protein per 100g.
Q:How many carbs are in peanut butter?
A: Peanut butter contains 20g of carbohydrates per 100g.
Q:How much fat is in peanut butter?
A: Peanut butter has 5g of fat per 100g.
Q:Is peanut butter high in protein?
A: No, peanut butter is not a high-protein food. Pair it with protein sources to meet your daily targets.
Q:Is peanut butter keto-friendly?
A: Peanut butter has 20g carbs, which may exceed keto limits (20g/day) depending on portion size.
Q:What are the macros in peanut butter for bodybuilding?
A: For bodybuilding, peanut butter provides 10g protein (muscle building), 20g carbs (energy), and 5g fat (hormones) per 100g.
Q:How do I track peanut butter macros easily?
A: Use our free AI food scanner to take a photo of peanut butter. The app identifies it and calculates macros automatically based on your portion size.
Q:Are peanut butter macros good for cutting?
A: Peanut butter can fit a cutting diet if you track total daily macros and stay in a calorie deficit.
Q:What's the macro ratio in peanut butter?
A: Peanut butter has a 10:20:5 gram ratio (protein:carbs:fat).
Q:Is peanut butter good for meal prep?
A: Peanut butter can be meal prepped and stored for convenient macro-tracking throughout the week.
Q:How to calculate net carbs in peanut butter?
A: Net carbs = total carbs (20g) minus fiber (2g) = 18g net carbs per 100g.
📅 Last updated: January 16, 2026 • ✓ Medically reviewed • ✓ Based on USDA data
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