How Many Calories Are in 15 Smarties?
                                
                                
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                                    4 min read                                
                            
                                A single roll of classic American Smarties contains just 25 calories, and a standard roll typically has 15 tablets. However, the answer to how many calories are in 15 Smarties depends entirely on which version you are referring to, as the confection differs significantly between North America and the UK/Europe.