RESOLUTION REFERENCE

2160 × 3840 (Vertical 4K)

2160 × 3840 is a 9:16 portrait resolution containing 8,294,400 pixels (8.29 megapixels). Vertical 4K - mostly a mastering resolution, since feeds deliver far less.

Aspect ratio
9:16
Orientation
portrait
Total pixels
8,294,400
Megapixels
8.29 MP
Decimal ratio
0.5625
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