No two lamps are alike and the same can be said for lamp shades.

Generally, the shape of the lamp will dictate the ideal shape of the shade.

Round lamps often look best with round shades, such as oval, bell, and drum.

How to measure lamp shades

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Lamps with harder lines and angles benefit from squarer shades, such as square and rectangular.

For more ornate lamps, a simple lamp shade is all it takes to create something stunning.

If the lamp shade is round or square, it may be that every side is the same length.

Materials needed to measure lamp shades

The Spruce / Sanja Kostic

However, the lone dimension could also refer to the width of the base.

If the lamp shade is rectangular, record the longest of the two lengths.

Measure the Bottom Width

Measureand record the distance from one bottom side to the opposite bottom side.

Removing the lamp shade from the base

The Spruce / Sanja Kostic

If the lamp shade is rectangular, record the longest of the two lengths.

Measure the Height

Measure and record the distance from the top of the shade to the bottom.

For floor lamps, decrease the lamp shade height to around 1/3 the height of the lamp base.

Measuring the top width of the lamp

The Spruce / Sanja Kostic

A lamp shade can be too big for a lamp, causing a top-heavy look.

However, an undersized lamp shade will almost always look worse than an oversized lamp shade.

Measuring the bottom width of the lamp shade

The Spruce / Sanja Kostic

Measuring the lamp shade height

The Spruce / Sanja Kostic

Measuring the lamp shade circumference

The Spruce / Sanja Kostic