How long does it take to cook a 13 lb turkey at 325 degrees?
How Long to Roast a TurkeyFor one 8- to 12-pound turkey, roast at 325°F for 2¾ to 3 hours.For one 12- to 14-pound turkey, roast at 325°F for 3 to 3¾ hours.For one 14- to 18-pound turkey, roast at 325°F for 3¾ to 4¼ hours.For one 18- to 20-pound turkey, roast at 325°F for 4¼ to 4½ hours.