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. So, start by measuring your lamp base height, and then divide this measurement by. Give or take two inches to this measurement to determine the appropriate bottom. You can easily take these dimensions with a tape.

Place the measuring tape across the lampshade top, then measure from one. Traditionally, the height of a lamp shade should be around half of the height of the lamp base. The result of this calculation will be the height of your lampshade.

The second tip is the shade of the lamp’s diameter should be no less and no more than two inches of the lamp’s base length. The distance in inches across the top, across the bottom, on the slant (if applicable), and the height. The height of the shade that you should buy for your new lamp is relative to the height of your lamp harp.

Here, the four measurements you will need to take before buying a new lamp shade: The measuring tape should lay flat against the shade’s slope. To learn more about measuring.

You’ll need four measurements from your current shade when shopping for a new shade. 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). For a round base, measure straight across;

The largest part of your. How do you know what. To illustrate, if you have a lamp with a base height of 12.