Free online LED display sizing calculator: enter the viewing distance or target picture and instantly get your LED screen's pixel pitch, screen size and module count, with a live eye-view simulation and a one-click PDF report you can send straight to your client. Built for early-stage planning of meeting rooms, showrooms, retail spaces, stages and outdoor LED advertising.
Generate an A4 PDF report with all parameters, sizing results and simulation views in one click — ready to share with your team or client for project discussions.
How it works: the pitch is derived from “best viewing distance ≈ P × (2–3) m” and rounded to a standard spec; screen height is estimated as distance × 0.34 (≈19° comfortable vertical field of view). Resolution / size modes are likewise rounded to whole standard modules, guaranteeing no cut modules and integer pixel resolution. The module size table can be customized under “Advanced”.
The LED Viewing Distance Simulator is a free online LED screen sizing calculator that answers three key questions before you buy or design: what pixel pitch to use, how large the screen should be, and how many modules it takes. Enter any one of viewing distance, target resolution or physical size, and the tool derives the full screen dimensions, resolution and module layout from standard module sizes — plus the minimum distance, optimal viewing range and a live eye-view simulation.
Every parameter is adjustable: base edge height, observer eye height, and the standard module size table for each pitch. All parameters export to JSON in one click, and a branded PDF sizing report can be generated for internal reviews or sent directly to your client.
Pixel pitch, lamp packaging, brightness and protection — everything you need to spec the right screen.
Pixel pitch (P value) is the center-to-center distance between adjacent LEDs, in millimeters. It is the No.1 factor behind image sharpness and price — from the same spot, P2 and P6 look worlds apart. The first step of any selection is always confirming where the closest viewer will stand.
Example: main viewing position 6 m away → P2 – P3 by the optimal-range rule. Enter your real distance in the simulator above to verify size and visual effect instantly.
Work backwards from “optimal distance ≈ pitch × 2–3”: 6 m corresponds to P2 – P3. Choose P2 or finer if the budget allows for closer, sharper viewing; P3 is enough for large promotional screens watched from a distance.
Not recommended. Indoor lamps deliver only 600 – 1,200 nits — nearly unreadable in sunlight — and lack waterproofing; water ingress causes mass dead LEDs. Outdoor projects need gold-wire high-brightness lamps with IP65-rated outdoor cabinets.
Gold wire matches LED chips better in thermal conductivity and thermal expansion, resisting wire breakage through temperature cycles. Field data shows notably lower dead-LED rates and luminance decay than alloy-wire packaging — the default choice for outdoor large screens.
No. Finer pitch costs significantly more. What matters is the closest viewing distance: as long as no one stands inside the minimum distance, a larger pitch delivers better value. Enter your real distance in the simulator above to check in seconds.