How are lamp bases measured?

How Big Should lamp base be?

The bottom diameter of the floor lamp’s shade is related to the diameter of the lamp base. To determine the size, measure the bottom diameter of the floor lamp base. A 10” floor lamp base should have an 18” bottom diameter shade. An 11” to 12” floor lamp base needs a 19” Jr to 20” Jr bottom diameter shade.

How do I know what size lamp harp I need?

If you require a different size harp than the one you have on your lamp, check under the finial base (see Fig. 1) and you will see a number that will indicate the height-size of the harp. With this number in hand you will have a reference point for acquiring a new harp that will best suit your needs.

How do you size a lamp?

General Scale of Lamps

Overall lamp and table measurements: The lamp should not be more than 1.5 times taller than the surface it is sitting on, and the lamp shade’s diameter should be smaller than the width of the sofa side table. You don’t want the table lamp’s shade to be sticking out beyond the table’s edge.

Are lamp harps universal?

Most table lamps, which accept fabric shades are set up with industry standard Regular Weight harps and Regular Weight harp bases. … A Regular Weight harp will fit either a Regular Weight harp base or a Heavy Duty harp base.

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How do you measure a lamp shade and shape?

The shade should be twice as wide as the lamp base, and one third of the total height of the lamp. So for a 6-inch lamp base, the shade should be at least 12 inches wide. And if the total height of the lamp (including the bulb and harp) is 24 inches, the shade should be 8 inches tall.