Calculate and convert aspect ratios for images and video
16:9
Decimal: 1.7778
HD Video, YouTube
4:3
Traditional TV, iPad
1:1
Instagram Square
9:16
Stories, TikTok, Reels
21:9
Ultrawide, Cinema
3:2
35mm Film, DSLR
2:3
Portrait Photo
4:5
Instagram Portrait
5:4
Large Format Photo
1.85:1
US Widescreen Cinema
2.39:1
Anamorphic Cinema