Have you ever wondered how long your household appliances should last?

Well, thanks to CNN Money, you need to wonder no more. Check out this slide show that shows the life expectancies of various household components.

Here are some examples:

Countertops: 20 years to forever

Cabinets: 50 years

Decks: Up to 20 years

Dishwashers: 9 years

Electrical: 10 years to a lifetime

Floors: 25 to 100 years

Plumbing fixtures: 15 to 50 years

Refrigerators: 13 years

Roofing: 20 to 50 years

Siding and accessories: 20 to 50 years