Cooking Guide
Rare 130º - 135º, 20-25 minutes per pound plus 8-10 minutes resting
Medium-Rare 135º - 140º, 25 minutes per pound plus 8-10 minutes resting
Well-Done 150º - 160º, 30 minutes per pound plus 8-10 minutes resting
Meat will continue to cook 8 to 10 degrees while resting.
This allows the juices to redistribute throughout the meat.
Source: Australian Meat and Live Stock