# How do you measure a lamp shade and shape?

Often they are tall and narrow, so shape-wise they’ll suit drum, empire, rectangular or square lampshades. To determine what lampshade size you need for your floor lamp, measure the height of the lamp base from the bottom to the top of the bulb rod, then divide by four to get an approximate height for the shade.

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. A 13” or bigger floor lamp base will look good with a 20” to 22” bottom diameter shade.

Similarly, what size lamp shade do I need for a floor lamp? Getting the shade size right The general rule of thumb is that a shade for a floor lamp should be 45cm (18 inches) or larger at the diameter of its base.

There are three basic types of lamp shade fittings: spider fittings, uno fittings, and clip-on fittings: Spider Fittings: Spider fittings are the most common type of fitting for table and floor lamps and are used with harps.

How wide should a lamp shade be?

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.

### How do you pick a shade for a lamp?

The right light If you need ambient light in the room or if you use the lamp for reading, go for a translucent shade. But if the lamp is just for decorative accent lighting, an opaque shade in a dark colour will be fine. If possible, test the shade with the light on.

### How tall should a table lamp be next to a sofa?

For a table lamp used for reading, the bottom of the lampshade should be at eye level to someone seated on the sofa. Side tables typically are 25 to 30 inches tall, and the seat of a sofa usually is about 19 inches from the floor –so consider these measurements when choosing your lamp.

### How is the height of a lamp measured?

First determine the perfect height range for your lamp; sit in the space next to where you are going to place the lamp. Measure from the surface you are placing the lamp to eye level. This is your base measurement. To find the average height of the shade, divide the base measurement by three.

### What is a lamp finial?

Finials are stylized caps that fit over shades at the top of a lamp. They help secure the lampshade in place, provide a surface with which the lamp can be picked up from above, and complete the lamp or fixture’s aesthetics.

### How are lamp bases measured?

Measure your lamp base from the bottom of the base to the top, where the electrical socket attaches to the base. For table lamps, the height should be approximately 60% and 80% of the height of the lamp base.

### How do I change a lamp shade?

How to Change a Lampshade Unplug your lamp at the electrical outlet. Remove the current shade and harp by unscrewing the finial, removing the shade, and squeezing the harp out of the saddle. Squeeze the new harp into the saddle. Add your new shade and screw on the finial to secure it.

### What is a shade reducing ring?

Shade Reducer Rings. Shade reducer rings are required due to the different design standards of UK and European pendent bulb holders. This is where a shade reducer ring is required. It fits simply onto your 29mm bulb holder converting it instantly to a 45mm holder.

### What is a harp on a lampshade?

A lamp harp is the component of a lamp to which the lamp shade is attached. It typically comes in two separate parts, a saddle which is fastened under the lamp socket, and the harp itself which consist of a lightweight frame attached to the saddle at its lower end and extending upwards to a point above the bulb.

### How do you measure a diameter?

Steps If you know the radius of the circle, double it to get the diameter. If you know the circumference of the circle, divide it by π to get the diameter. If you know the area of the circle, divide the result by π and find its square root to get the radius; then multiply by 2 to get the diameter.

### What are the two types of lamp shades?

Types of Lamp Shade Fitters There are the three common fitters: Spider, Clip-On, and Uno. The spider lamp shade is the most common type of fitter for table and floor lamp shades. Spider fitters sit atop the lamp’s harp (the U-shaped metal part of a lamp that fits around and protects the light bulb).