RESOLUTION REFERENCE

4096 × 2160 (DCI 4K)

4096 × 2160 is a 256:135 landscape resolution containing 8,847,360 pixels (8.85 megapixels). Cinema 4K - slightly wider than consumer UHD, which is why exports sometimes gain thin bars.

Aspect ratio
256:135
Orientation
landscape
Total pixels
8,847,360
Megapixels
8.85 MP
Decimal ratio
1.8963
Even dimensions
yes - H.264 safe

Scaled versions of this resolution

Rounded to even numbers, which H.264 with 4:2:0 chroma requires.

Check a file against this resolution

Extension and MIME type are labels, not proof of the container. Dimensions and duration come from this browser's media reader. This does not detect codecs, bitrate, corruption or platform upload compatibility. Files and measurements are not sent anywhere.

Koldflux exports at the right frame for each destination automatically.

Automate this in Koldflux