In the same way you have measured the top diameter, do the same for the bottom diameter and write down your measurement.

How to measure a lamp shade. Traditionally, the height of a lamp shade should be around half of the height of the lamp base. Whether you are ordering a replacement lampshade or designing a custom lampshade, knowing the dimensions or measurements of the lampshade you need is critical to identifying the. Measure diagonally for a square base.

The measuring tape should lay flat against the shade’s slope. The largest part of your. Note this reading and divide it by 4.

Measure from the base to the bottom of the bulb holder. The result of this calculation will be the height of your lampshade. Give or take two inches to this measurement to determine the appropriate bottom.

Find the length of the slant by measuring from the top edge of the lamp shade to its bottom edge. Place the measuring tape across the lampshade top, then measure from one. Here, the four measurements you will need to take before buying a new lamp shade:

These measurements are always listed the same way: When we say height, we mean from the. To find the best size lampshade for a table lamp, start by measuring the height of the lamp base itself, using a tape measure (or ruler).

To measure lamp harp sizes, take a measuring tape or a ruler. So, start by measuring your lamp base height, and then divide this measurement by. The height of the shade that you should buy for your new lamp is relative to the height of your lamp harp.