Here is a trendy manual for cooking steak to one-of-a-kind tiers of doneness based on internal temperature:
Uncommon: a hundred and twenty-one hundred thirty°F (49-fifty four°C)
Medium uncommon: 130-135°F (54-fifty seven°C)
Medium: 135-a hundred forty five°F (57-sixty three°C)
Medium nicely: 145-one hundred fifty five°F (sixty three-68°C)
Properly carried out: 155°F and above (68°C and above)
It is continually satisfactory to apply an instant-read thermometer to ensure that your steak is cooked in your favored degree of doneness.