Standard Video & Screen Aspect Ratios
Aspect ratios determine how visuals scale across different displays, social platforms, and broadcast standards without distortion.
Popular Ratio Reference
- 16:9 (Widescreen): YouTube videos, HDTVs, desktop monitors (1920x1080, 2560x1440, 3840x2160).
- 9:16 (Vertical Video): TikTok, Instagram Stories/Reels, YouTube Shorts (1080x1920).
- 4:5 (Social Feed): Instagram vertical portrait posts (1080x1350).
- 1:1 (Square): Profile avatars, Instagram square feed posts (1080x1080).
- 21:9 (Ultrawide): Cinematic movies and ultrawide gaming displays (3440x1440).
Frequently Asked Questions
What is an aspect ratio?
Aspect ratio is the proportional relationship between an image or display screen’s width and height, written as width:height (e.g., 16:9).
What aspect ratio is used for Instagram and TikTok videos?
TikTok, Instagram Reels, and YouTube Shorts use 9:16 vertical ratio (1080x1920px), while Instagram posts use 1:1 square or 4:5 vertical.
How do I calculate missing dimension from aspect ratio?
Multiply or divide your known width/height by the ratio fraction. For 16:9, height = width * (9 / 16).