It depends on the type of meat. A typical portion of beef (3.5oz) contains 200 to 350 calories. The typical portion of poultry (3-4oz) is 100 to 200 calories. And fish (4oz) contains from 70 to 200 calories.
The calories depend on different things including the kind of meat if you use any seasoning on the meat. Chicken and turkey have less calories than beef.