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P6.67 / 6mm LED Sign Size, Power & Pixel Calculator
P6.67 Outdoor LED

P6.67 / 6mm LED Sign Size, Power & Pixel Calculator

Configure your sign to see dimensions, electrical requirements & pixel specifications

Use this P6.67 / 6mm LED sign calculator to estimate the finished size, power requirements, and pixel resolution for your outdoor LED display. Enter the number of modules tall and wide, choose whether the modules are mounted horizontally or vertically, and instantly see the sign dimensions, total square footage, 110V and 220V amp draw, and total pixels per side. This tool helps businesses, churches, schools, and property owners plan the right LED sign size and electrical service before ordering.

  • Calculate finished LED sign dimensions in inches and square feet
  • Estimate 110V and 220V power requirements for single-sided or double-sided signs
  • See total display resolution and pixel count before you buy
P6.67 LED sign size, power requirements, and pixel resolution calculator
Sign Configuration
Sign Layout Preview
50.4"
Height (inches)
100.8"
Length (inches)
35.28
Total Sq Ft
Single-Sided
Double-Sided
110V Power
Max Amps 19.2 A
Average Amps 6.4 A
220V Power
Max Amps 9.6 A
Average Amps 3.2 A
Display Resolution — Per Side
192
Pixels High
384
Pixels Wide
73,728
Total Pixels
Note: Max amps represent full white brightness. Average amps reflect typical mixed-content usage (~⅓ max). Always size wiring and breakers to accommodate max draw. Each module is 320mm × 640mm — mounted horizontally that's ≈12.6" tall × 25.2" wide, or vertically ≈25.2" tall × 12.6" wide.

How This 6mm LED Sign Calculator Works

This calculator is designed for P6.67 outdoor LED signs made from standard LED modules. To get your results, enter how many modules tall and how many modules wide your sign will be, then choose the module orientation. The calculator uses that layout to estimate the overall height, width, total square footage, display resolution, and electrical requirements for your sign.

Because many LED signs are built from modular cabinets, this is a practical way to estimate the final display size before you request a quote, prepare a structure, or plan the electrical service. It also helps you compare different sign layouts so you can decide whether you want a larger display area, a higher total pixel count, or a more compact footprint.

How to Estimate LED Sign Power Requirements

Power requirements are one of the most important parts of planning an outdoor LED sign. This calculator shows both maximum amp draw and average amp draw so you can better understand what your sign may require in real-world use.

Maximum amperage represents worst-case power usage, such as when the display is running full white at maximum brightness. Average amperage is lower and is typically based on mixed-content use. For electrical planning, breakers, wire size, disconnects, and power service should always be sized for maximum load rather than average operating load. Your electrician or installer can use these numbers as a starting point when planning safe and reliable power for the sign.

110V vs 220V Power for Outdoor LED Signs

Many outdoor LED signs can be wired for either 110V or 220V service, but the amperage changes depending on the voltage. In general, higher voltage reduces the amperage required for the same sign, which can make electrical planning easier on larger displays.

If you are comparing options, 110V may work well for smaller signs where the electrical run is simple and the amp draw is manageable. For larger LED signs, 220V is often preferred because it lowers current draw and may help simplify the installation. This calculator gives you both values so you can review the numbers before talking with your installer, sign company, or electrician.

Single-Sided vs Double-Sided LED Sign Power Use

If your sign will be visible from one direction only, a single-sided display may be the most efficient option. If you need visibility from both directions, a double-sided LED sign can provide much greater exposure, but it will require more display area and more power.

This calculator shows single-sided and double-sided power options so buyers can compare the difference during the planning stage. That is especially helpful for roadside signs, church signs, school signs, business monument signs, and entrance signs where visibility from both directions may matter. If your project is still in the early design stage, this section of the calculator can help you decide whether the extra visibility of a double-sided sign fits your electrical capacity and budget.

Why Pixel Resolution Matters on a 6mm LED Sign

Pixel resolution affects how much content your sign can display and how detailed that content will appear. A larger sign built from more modules will have more total pixels, which gives you more room for text, graphics, scheduling, branding, and promotional content.

For many outdoor applications, 6mm LED signs offer a strong balance between visibility, image quality, and cost. They are often used for businesses, schools, churches, and community signs that need bright full-color messaging in outdoor conditions. By showing the number of pixels high, pixels wide, and total pixels per side, this calculator helps you better understand the display capability of the sign you are planning.

Standard Module Size Used in This Calculator

This calculator is based on standard LED modules measuring approximately 12.6" × 25.2" (320 mm × 640 mm). Depending on how the modules are mounted, the finished sign dimensions will change. Mounted horizontally, each module is 12.6" tall by 25.2" wide, creating a shorter and wider layout. Mounted vertically, each module is 25.2" tall by 12.6" wide, creating a taller and narrower layout.

That is why the orientation setting matters when estimating final sign size. If you are trying to fit an LED display into an existing cabinet, monument, pylon, or sign structure, the module orientation can affect whether the finished display fits your available space.

Frequently Asked Questions

To calculate the size of a 6mm LED sign, enter the number of modules tall and modules wide, then choose the module orientation. The calculator will estimate the finished height, width, and total square footage of the display.
P6.67 refers to the pixel pitch of the LED display. In simple terms, it describes the spacing between pixels and helps determine the sign's resolution and viewing characteristics.
Power use depends on the total number of modules, whether the sign is single-sided or double-sided, and whether you are looking at maximum or average usage. This calculator shows both 110V and 220V amp draw so you can estimate your electrical requirements before installation.
Maximum amps represent the highest possible power draw under full-load conditions, while average amps reflect more typical day-to-day content usage. For safe installation, electrical components should be sized for maximum draw, not average draw.
That depends on the size of the sign and the electrical setup at your location. Smaller signs may work well on 110V, while larger signs are often easier to plan on 220V because the amperage is lower for the same load.
Yes. The module orientation changes whether each module contributes more height or more width to the finished display. That can significantly affect the overall dimensions of the sign and whether it fits your structure or cabinet.
The number of pixels you need depends on your sign size, viewing distance, and content goals. More modules generally mean more total pixels, which can improve layout flexibility for text, graphics, and animation.
Yes. This calculator is useful for comparing single-sided and double-sided sign configurations, including the effect on power requirements. That makes it easier to plan for roadside and freestanding signs with visibility from both directions.
This page is specifically designed for P6.67 outdoor LED signs, so it is best used for outdoor projects based on that module format.
Yes. This calculator is a great first step if you want to estimate sign size, power requirements, and resolution before talking with a sales rep or requesting pricing.
Pricing for outdoor 6mm LED signs from Petro LED Signs

Get Help Choosing the Right LED Sign Size

Whether you need a single-sided business sign, a double-sided church sign, a school message center, or a custom outdoor LED display, our team can help you choose the right layout, cabinet size, and electrical configuration.

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