How Many Calories Are in a Cooked Pork Loin Roast?
                                
                                
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                                    8 min read                                
                            
                                According to USDA data, a 3-ounce serving of roasted, trimmed pork top loin roast contains approximately 147 calories. This makes a cooked pork loin roast an excellent, lean protein source for those managing their diet, but the total calorie count depends heavily on preparation and cut.