Free tool · Video Engineering Toolkit

Aspect Ratio Pro.

Resolution scaling, letterbox and crop math, LED wall panel math, and batch conversion, in one place. Runs entirely in your browser: nothing is uploaded anywhere.

Calculator

Broadcast

Cinema / VP

Wide / walls

Social

Source (W1 × H1)

Width

Height

16 : 9 (1.7778)

Target (enter one, the other follows)

New width (W2)

New height (H2)

Enter a target width or height.

Round to nearest pixel

Live preview

Align H Align V Bars

The frame is your target raster. Letterbox keeps every pixel and pads; crop fills the frame and reports what you lose; stretch distorts to fit. Images stay on this computer.

LED wall panel math

Panel preset (typical specs, verify your batch)

Panel px (W)

Panel px (H)

Panel width (mm)

Panel height (mm)

Panels across

Panels high

1408 × 880Total resolution

8 : 5 (1.6000)Aspect ratio

4.00 m × 2.50 mPhysical size (13.1 × 8.2 ft)

1.24 MP · 2.84 mm pitchPixels · derived pitch ·

Batch mode

Upload a CSV with columns name, w, h (header optional). Every row is scaled against the current target: fit inside it (letterbox) and fill it (crop), with the loss accounted for.

Sample CSV

Export

The PDF carries the calculator state, LED wall math, and any batch rows: a client-ready sheet. "Copy for Calman" puts a plain-text summary on the clipboard for pattern and workflow notes.

Embed in your page

Drop the tool into a training page or LMS. ?embed=1 hides the Red Rock OPS site chrome.

<iframe src="https://redrockops.com/en/aspect-ratio?embed=1" width="100%" height="900" style="border:0;border-radius:12px" loading="lazy" title="Aspect Ratio Pro by Red Rock OPS"></iframe>

Built for broadcast, LED walls, and virtual production. Estimates round to your settings; verify against manufacturer specs for install drawings.