To calculate the cooking time for meat, determine the type of meat being cooked and the oven temperature that the recipe calls for. The type of meat and its weight determine the ideal cooking temperature and times.
JustRoast.it offers an online cooking time calculator. To use this calculator, select a type of meat, such as beef, pork, lamb or chicken. Enter the weight of your roast in pounds or kilograms. Select the level of cooking from rare, medium or well done. Click Refresh to see the applicable temperature and cook time.
The website displays temperatures in Fahrenheit, Celsius and gas settings. For example, a 4-pound pork roast should be cooked for two hours and 18 minutes in a 350 degree Fahrenheit oven for a medium level of cooking. For a well-done pork roast, the same cut should be cooked for two hours and 41 minutes. Generally, the heavier the roast, the longer it needs to cook at the same temperature.
Basic-Cooking.com offers a list of average cooking times per pound of given types of meat. According to this website, lamb and beef require about 30 minutes of cooking at 350 degrees Fahrenheit per pound. Turkey and pork require about 20 minutes per pound at 350 degrees Fahrenheit.