How many calories are in a 16oz oat latte? Your Guide
                                
                                
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                                    4 min read                                
                            
                                While an unflavored black coffee contains only 2-5 calories, a 16oz oat latte can have significantly more due to the addition of oat milk and potential sweeteners. The total calorie count for a 16oz oat latte typically ranges from 150 to over 300, depending heavily on the specific brand of oat milk used, the inclusion of added sugars, and any other flavorings.