Question: what is a youtube video size?
Answer: Video Player (Standard YouTube Video) Recommended dimensions: 426 x 240 (240p), 640 x 360 (360p), 854 x 480 (480p), 1280 x 720 (720p), 1920 x 1080 (1080p), 2560 x 1440 (1440p) and 3840 x 2160 (2160p). Minimum dimension is 426 x 240. Max dimension is 3840 x 2160. Aspect ratio is 16:9 (auto adds pillarboxing if 4:3).