A medium baked potato (approximately 5.3 ounces or 150 grams with skin) contains about 150-160 calories. This single-serving portion provides 37 grams of carbohydrates, 3.8 grams of fiber, and significant amounts of potassium and vitamin C, making it a nutrient-dense food choice for most diets.
Understanding the exact nutritional profile of everyday foods helps make informed dietary choices. Whether you're tracking calories for weight management, monitoring carbohydrate intake, or simply curious about what you're eating, knowing the precise nutritional value of common foods like baked potatoes matters. This guide delivers evidence-based information about medium baked potatoes, verified through authoritative nutrition databases and research.
What Exactly Is a Medium Baked Potato?
When nutrition labels and studies reference a "medium" baked potato, they mean a specific measurement. According to the USDA FoodData Central database, a medium potato weighs approximately 150 grams (5.3 ounces) with skin. This standard measurement ensures consistency when comparing nutritional information across different sources.
| Measurement Standard | Weight (with skin) | Dimensions |
|---|---|---|
| Small potato | 138g (4.9oz) | 2–3 inches in diameter |
| Medium potato | 150g (5.3oz) | 3–4 inches in diameter |
| Large potato | 180g (6.3oz) | 4–5 inches in diameter |
This standardized sizing comes from the USDA's National Nutrient Database for Standard Reference, which nutrition professionals and researchers use for consistent dietary analysis. Without this standardization, calorie counts would vary significantly based on individual interpretation of "medium."








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