As a subject matter expert in nutrition, I can provide you with an accurate answer to your question. The caloric content of a single M&M candy can vary slightly depending on the size and specific type of M&M, but on average, one M&M contains about 3 to 4 calories. This is a rough estimate, as the exact caloric content can be influenced by factors such as the size of the candy and whether it has a peanut center or is just a plain candy shell.

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You'll get just three calories from a lone milk chocolate M&M's. If you have one of the other types though, you'll wind up with three to four times as many calories. A single peanut, crispy or peanut butter-filled M&M's each provide between 10 and 12 calories per piece.read more >>