ToolJoltTools

Broadcast Resolution Lookup

Pick a broadcast format and get its exact active raster, aspect ratio and common frame rates — SD through 8K UHD.

Active width (px)
Active height (px)

The reference table editors reach for: UHD broadcast is 3840×2160 (16:9) while 4K DCI cinema is 4096×2160 (17:9) — a frequent and costly mix-up. SD rasters carry non-square pixels, so their stored 720-wide raster displays as 4:3 or 16:9 depending on PAR.

Rule / Formula

standard active rasters per SMPTE/ITU-R format definitions
References: ITU-R BT.601 / BT.709 / BT.2020; SMPTE ST 2036; DCI spec

Pick a broadcast format and get its exact active raster, aspect ratio and common frame rates — SD through 8K UHD.

About Broadcast Resolution Lookup

Pick a broadcast format and get its exact active raster, aspect ratio and common frame rates — SD through 8K UHD. The reference table editors reach for: UHD broadcast is 3840×2160 (16:9) while 4K DCI cinema is 4096×2160 (17:9) — a frequent and costly mix-up. SD rasters carry non-square pixels, so their stored 720-wide raster displays as 4:3 or 16:9 depending on PAR.

How to use Broadcast Resolution Lookup

  1. 1Enter your values into the fields in Broadcast Resolution Lookup.
  2. 2The result and any pass/fail verdict update instantly as you type — no button to press.
  3. 3Check the substituted formula and worked example to see exactly how the result was derived.
  4. 4Copy or note the result for your spec, delivery or planning.

Why use Broadcast Resolution Lookup?

  • Runs entirely in your browser with instant, private results — no data leaves your device.
  • Built on a published reference: ITU-R BT.601 / BT.709 / BT.2020.
  • Shows the governing formula and a worked example, so you can trust and check every result.
  • 100% free with no sign-up, no watermark and no usage limits.
  • Works on any device — desktop, tablet or phone — and keeps working offline once loaded.

Frequently asked questions

What does Broadcast Resolution Lookup do?+

Pick a broadcast format and get its exact active raster, aspect ratio and common frame rates — SD through 8K UHD. The reference table editors reach for: UHD broadcast is 3840×2160 (16:9) while 4K DCI cinema is 4096×2160 (17:9) — a frequent and costly mix-up.

Is my data private?+

Yes. Broadcast Resolution Lookup runs entirely in your browser — your inputs are never uploaded, stored or logged.

What standard or source is Broadcast Resolution Lookup based on?+

It follows ITU-R BT.601 / BT.709 / BT.2020; SMPTE ST 2036; DCI spec. Always confirm against the current official document, as specifications and rates can change.

What formula does it use?+

Broadcast Resolution Lookup uses: standard active rasters per SMPTE/ITU-R format definitions. The tool shows this formula with your own numbers substituted so you can verify the result.

Is Broadcast Resolution Lookup free to use?+

Yes — it is completely free with no account, no sign-up and no usage limits. There is no watermark and no paywall.

Embed Broadcast Resolution Lookup on your website

Want Broadcast Resolution Lookupon your own site? Paste this snippet into any HTML page — it's free, with no API key or sign-up. The tool loads in an iframe and keeps working exactly as it does here.

Embed code
<iframe src="https://tooljolt.com/tools/broadcast-resolution-lookup" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px;max-width:680px" title="Broadcast Resolution Lookup — ToolJolt" loading="lazy"></iframe>

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