What Size is an A-Frame Sign?

The most common A-frame sign measures 24 inches wide by 36 inches tall and holds a printed area sized for a standard 24 by 36 inch insert. That size stays popular because it is large enough to read from across a sidewalk or parking lot, yet light enough for one person to set out and fold away. Several other standard sizes are widely used, and the right one depends on where the sign sits and how far away people need to read it. The team at Signarama  builds A-frame signs in every common size and matches the frame to the space it has to fill. 

The most common A-frame sign size 

A 24 by 36 inch A-frame is the default for most storefronts and sidewalks. It balances visibility against weight and footprint, which is why sign shops stock it most often. The points below explain why this size works for the majority of businesses. 

• Reads clearly from the street, with a panel tall enough for a headline plus a line or two of supporting copy. 

• Stays easy to handle, because a frame this size is light enough to carry out each morning and fold flat at close. 

• Fits standard inserts, so replacement graphics and weather covers are easy to source and swap. 

Standard A-frame sign sizes 

Beyond the 24 by 36 inch standard, A-frames come in a handful of common sizes that suit different spaces and viewing distances. Each works best in a particular setting, so it helps to picture where the sign will live before choosing. 

• 24 by 36 inches, the all-purpose size for storefronts, restaurants, and open houses. 

• 22 by 28 inches, a slightly smaller panel suited to tighter entryways and indoor lobbies. 

• 18 by 24 inches, a compact option for counters, narrow walkways, and tabletop-height messaging. 

• 24 by 18 inches, a wide, low format that works well for directional and parking guidance. 

A-frame insert and poster sizes 

Many A-frames are built to hold a changeable insert behind a clear cover rather than a permanently printed panel. The insert size usually matches the frame size, so a 24 by 36 inch frame takes a 24 by 36 inch poster or print. This design keeps the frame in service for years while the message changes as often as needed. 

• Poster inserts, printed graphics slid behind a weather cover and changed by hand. 

• Marker or chalk panels, writable surfaces for daily specials and short-run messages. 

• Rigid printed panels, fixed graphics for a message that will not change for a long time. 

How to choose the right A-frame size 

The best size comes down to viewing distance, available space, and how much you need to say. A sign read from a passing car needs a larger panel and fewer words than one read by someone already on the sidewalk. Walk the spot at the distance your customers will see it before deciding. 

• Match the size to viewing distance, larger panels for street traffic and smaller ones for close foot traffic. 

• Check the footprint, because a folded A-frame still needs clear walkway width to stay safe and compliant. 

• Plan for the message, a short headline reads well at any size while dense copy needs the larger formats. 

Indoor versus outdoor sizing 

Outdoor A-frames face wind, so a heavier base and a sturdier frame matter more than squeezing in the largest panel. Indoor A-frames can run lighter because they are not exposed to weather. If a sign will move between inside and outside, Signarama  can size it for the outdoor conditions it will face. 

When a custom A-frame size makes sense 

Standard sizes cover most needs, but a custom build helps when a space is unusually narrow, a brand layout calls for a specific panel ratio, or a sign has to meet a property or municipal requirement. A custom frame still uses the same durable hardware and changeable graphics as a stock size. 

Get the right A-frame size for your space 

The simplest way to land on the right size is to share where the sign will sit and who needs to read it. From there, Signarama  can recommend a standard size or build a custom frame, then handle the printed inserts so the sign is ready to set out. For pricing on a specific size, see the guide on how much an A-frame sign costs, and for the basics on the format itself, see what an A-frame sign is.