You can get an 80″ TV these days for less than $2,000. But just how big a set do you need?

There are differing opinions on that. Keep in mind that the size of a TV is measured diagonally, which means top-right corner to bottom-left corner.

Experts say you should base the size of the TV on how far you plan to sit away from it. But they don’t all use the same formula.

person in black and white striped socks lying on bed
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I’ve seen a suggestion that says you should sit 1.5 times the size of the TV away. For example, if you have a 60-inch TV, you should sit 90 inches away.

Since your living room layout is probably fixed, just measure the length from the TV stand to your favorite chair. If it’s 3 feet you need 54 inch TV.

According to Samsung, you should need to divide the distance you sit from the TV in half to get the best size. If you sit 10 feet from the TV, that equals 120 inches. Divides that by 2 and you get 60 inches. So you need a 60-inch television.

happy family sitting on a couch and watching tv
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Your preferences also matter. I sit about three feet away from my 65-inch television and I’ll stay in the same place if I up the size to 80 inches as well.

When I was a kid, my mother said sitting too close to the TV would damage my eyesight. Turns out that’s not true, though it can give you a headache.