LED Screen Parameters
Viewing Distance Analysis
How is this calculated?
Which pitch for which scenario?
Retina 3–4m
Retina 5–7m
Retina 13–14m
Retina 21–28m
Retina 34m
Retina 54m
V1.1 — Replaced empirical formulas (P×2.5 / H×30) with 1 arcmin visual acuity model: PPD (Pixels Per Degree), SMPTE RP166, THX 5° FOV criterion. Added retina distance (PPD 60), expanded pitch library (P0.9–P15.6) with industry-standard classic values.
How to use this LED pixel pitch calculator
Use the calculator to compare early LED screen planning scenarios before requesting supplier quotations. Enter the active visible width and height, the closest practical viewing distance, and the intended aspect ratio. The calculated pixel matrix and total pixel count are planning estimates; the final module layout, cabinet count, processor capacity, structure, electrical design, and installed cost must be confirmed against a real product configuration.
How to read the results
- Pixel pitch: The center-to-center spacing between adjacent LED pixels, measured in millimeters. A smaller pitch increases pixel density but does not automatically make it the best choice for every viewing distance or environment.
- Screen resolution: For an initial estimate, horizontal pixels are approximately the active width in millimeters divided by pixel pitch; vertical pixels use the same method. Actual resolution must align with available module and cabinet dimensions.
- Total pixels: Higher pixel counts can increase receiving-card, processor, bandwidth, power, calibration, and content-production requirements.
- Aspect ratio: Choose a ratio that matches the content workflow and installation space. A custom physical size may need letterboxing, cropping, or custom content if it does not match the source format.
What to confirm before ordering
- Indoor or outdoor environment, ambient light, closest and farthest viewing distances, audience sightlines, and camera use.
- Active screen dimensions, mounting position, service access, structure, power and signal routes, ventilation, and local installation requirements.
- Available module and cabinet sizes, exact final resolution, controller and processor capacity, refresh rate, brightness, spare-parts ratio, commissioning, and warranty scope.
Compare the result with the requirements of an indoor LED screen, rental LED screen, advertising LED board, or transparent LED screen. For a final module layout and project quotation, send the screen dimensions, viewing distance, installation photos or drawings, content sources, schedule, and destination through the contact page.
Worked example: choosing pixel pitch for a 4.8 m x 2.7 m indoor LED wall
Assume the active screen area is 4.8 m wide by 2.7 m high, the content uses a 16:9 format, and the closest regular viewer is about 6 m away. Entering these values in the calculator gives two practical options to compare:
- P1.86: approximately 2,580 x 1,451 pixels, or 3.74 million pixels in total.
- P2: approximately 2,400 x 1,350 pixels, or 3.24 million pixels in total.
- Selection: P1.86 can suit close-detail content or camera use, while P2 can be sufficient for general presentations viewed from around 6 m.
This result is a planning comparison, not a final engineering drawing. Before ordering, verify the available module and cabinet dimensions, exact assembled resolution, processor capacity, service access, mounting structure, power distribution, and camera requirements with the supplier.
LED pixel pitch calculator FAQs
What pixel pitch should I choose for a given viewing distance?
Use the closest normal viewing distance as the starting point. The calculator compares that distance with pixel density and visual-acuity models, then suggests a practical pitch range. Content detail, camera use, brightness, and the installation environment should also be considered before the final selection.
How is LED screen resolution calculated from pixel pitch?
Convert the active screen width and height to millimeters, then divide each dimension by the pixel pitch in millimeters. For example, a 4,800 mm wide screen using P2 has an estimated horizontal resolution of 4,800 / 2 = 2,400 pixels. Final resolution must match the actual module and cabinet layout.
Is a smaller LED pixel pitch always better?
No. A smaller pitch increases pixel density, but viewers may not see the extra detail beyond the relevant viewing distance. It can also increase processing, power, calibration, and content requirements. Choose the pitch that matches the audience distance and use case instead of selecting the smallest available number.