From the right shape to the right size, this is your go-to guide.

Lamps are among the longest-lasting household items.

They are easy to repair or rewire, making them instant family heirlooms.

Bedside table with lamp

Credit: Clare Mansell/Getty

While lamps might last forever, their lampshades do not.

Over time, shades might turn yellow, become damaged, or simply go out of style.

No matter the reason, the real conundrum is understanding how to select a replacement.

Types of Lamp Shades

Credit:Kailey Whitman

So how you do decide between types of lampshades?

We spoke to an expert to discover everything you oughta know.

Anna Louise Carteris a decorator and blogger at Designed by Dixon.

How To Measure A Lampshade

When you choose a lampshade, you should bearmed with measurements.

“The width of the shade is the priority.

after you snag that selected, you may need to adjust the harp as needed.”

Different Types Of Lampshades

Anotherdesign detailto keep in mind is the shape of your lamp.

“The shape of the shade should mimic the shape of the lamp,” says Carter.

Fabric-covered, pleated shades are having a moment in design.

A dark lampshade is not going toprovide as much lightas a white shade.

“A dark lampshade also sets a more formal tone,” says Carter.

Determining Placement

Lamps are used for more than just looks.

“Lamps also give a room ambiance and provide a welcoming glow.

“So much of getting the lampshade correct is trial and error.

It’s okay to try multiple before getting the right one,” Carter says.

This refers to the metal structure that connects the lampshade to the lamp.

The most common lampshade fitting is a spider fitting.

The most common lampshade is a classic, empire lampshade.