Cooking Time for 8 lb Beef Roast
Use this calculator to find the cooking time for an 8-pound beef roast at medium doneness.
How to use this tool
- Enter weight and meat type in the fields above.
- Results update instantly as you type — or click Calculate.
- Read your cooking time and the full breakdown beneath it.
An 8-pound beef roast at medium doneness takes approximately 2 hours 40 minutes and serves a large gathering.
Frequently asked questions
- How long per pound do you cook beef?
- For medium doneness, allow approximately 20 minutes per pound at 325°F (163°C). Always verify with a meat thermometer (145°F / 63°C internal).
- How long per pound do you cook a whole chicken?
- Allow 20 minutes per pound plus 20 minutes at 375°F (190°C). The internal temperature should reach 165°F (74°C) in the thickest part of the thigh.