As a general guide, follow FoodSafety.gov's- Meat Roasting Chart to work out the cooking time.
Meat and Poultry Roasting Chart | FoodSafety.gov via kwout
When roasting beef it is important to select the proper cut of roast beef to produce moist and tender meat when the roast beef is cooked to the desired doneness.
There are a number of flavorful beef recipes that you can use when roasting beef, but if the proper cut is not used, the meat can become dry and tough even though it may have great flavor. Learn about several types of beef cuts that are suitable for cooking with the roasting method at RecipeTips.com.