Wall Plate Size Guide
Find the right fit in a few minutes: count your gangs, check what's on the wall, and compare our Midsize and Standard dimensions.
Midsize or Standard?
Most Midsize plates are about 5" tall and a little larger on every side. The extra coverage hides paint lines, wallpaper edges, uneven drywall cuts and the outline of an old plate. A Midsize 1-gang is about 3/8" wider and 1/2" taller than a Standard one. Signature, Deco and Scallop Midsize sizes are listed below the table.
Standard plates are about 4.5" tall, the size of most builder plates. They suit walls that are clean right up to the current plate and tighter spots next to trim, cabinets or a backsplash.
| Gangs | Midsize (most collections) | Standard |
|---|---|---|
| 1-gang | 3.125" × 5" | 2.75" × 4.5" |
| 2-gang | 5" × 5" | 4.56" × 4.5" |
| 3-gang | 6.94" × 5" | 6.33" × 4.5"* |
| 4-gang | 8.5" × 5" | 8.125" × 4.5"* |
Collections with their own Midsize size
| Gangs | Signature & Deco Midsize | Scallop Midsize |
|---|---|---|
| 1-gang | 3.13" × 4.94" | 3.5" × 5.31" |
| 2-gang | 5" × 4.94" | 5.31" × 5.31" |
| 3-gang | 6.75" × 4.94" | Coming soon |
| 4-gang | 8.56" × 4.94" | Not offered |
How to choose
- Count the gangs. Each switch or outlet sitting side by side in one box is one gang. One switch is 1-gang, two side by side is 2-gang, and so on up to 4-gang.
- Identify each device. Toggle is the classic flip switch with a small opening. Rocker is a large rectangular opening for paddle switches, most dimmers and smart switches, and GFCI outlets. Duplex is a standard two-plug outlet. Blank has no opening and covers an unused box. Combination plates mix openings, like a toggle next to an outlet.
- Measure your current plate. Measure its width and height, then compare with the table above. Look for paint lines, old outlines or gaps around the edge, and check the space next to door trim, cabinets or another plate.
- Pick Midsize or Standard. If anything around the current plate needs covering, or you are not sure, choose Midsize. If the wall is clean right up to the plate or space is tight, Standard is a good fit.
The product photo always shows the exact layout of openings, so compare it with your wall before you order.
Shop by size
Most of our collections are Midsize. Standard size is offered in our Signature and Deco collections. Choose the size on each product page.
Sizing FAQs
A gang is one switch or outlet position on a wall plate. A single switch takes a 1-gang plate, two switches side by side take a 2-gang plate, and so on. We make 1-gang to 4-gang plates.
Count the devices sitting side by side under one plate. Every position counts, including outlets and blank spaces, so a toggle switch next to an outlet is a 2-gang plate. If you have two separate plates close together, each one is counted on its own.
- Toggle: a small rectangular opening for the classic flip-up, flip-down switch.
- Rocker: a large rectangular opening for flat paddle switches, most dimmers and smart switches, and GFCI outlets.
- Duplex: two rounded openings for a standard two-plug outlet.
- Blank: no opening. It covers an unused electrical box.
- Combination: a mix of openings on one plate, for example a toggle beside an outlet.
GFCI outlets (the ones with Test and Reset buttons), paddle and slide dimmers, and most smart switches use a rocker plate. Rotary (knob) dimmers usually fit a toggle plate. Rectangular USB outlets use a rocker plate, and ones shaped like a regular two-plug outlet use a duplex plate. If you're not sure, compare the opening on your current plate.
Most Midsize plates are about 5" tall and a little larger on every side; Signature and Deco Midsize plates are 4.94" tall, and Scallop Midsize plates are 5.31" tall. Standard plates are about 4.5" tall, the size of most builder plates. The openings and screw positions are the same; only the outer edge changes. See the tables above for each gang size.
Yes. Midsize plates fit standard U.S. electrical boxes, switches and outlets, and line up with the usual screw positions. The plate is just larger around the outside, so check that there is room next to door trim, cabinets, a backsplash edge or another plate.
That is what Midsize is best at. The extra coverage on every side helps hide paint lines, wallpaper edges, uneven drywall cuts and the outline left by a previous plate. Measure the marks around your current plate to make sure the new one covers all of them.
Measure the width and height of your current plate and compare them with our dimensions. If the old plate is already off, measure the wall opening and any paint marks around it. The new plate should cover all of it.
Signature and Deco offer both Standard and Midsize on many configurations. Our other collections are Midsize. You'll find the size choice on each product page.
Yes. Every plate comes with color-matched mounting screws. If any are missing from your order, email us at contact@riosalto.com with your order number and we'll help.
Not for the plate itself. What matters is that the switch or outlet sits level with the wall. If it sticks out, it can often be adjusted on its mounting screws. If it sits too deep, for example behind new tile, a box extender or spacers may be needed. If you're not comfortable adjusting electrical devices, a licensed electrician can sort it out quickly.
Still not sure?
Email us at contact@riosalto.com with a photo of your current plate and we'll help you pick the right size and configuration. You can also read our full FAQ.