Video Aspect Ratio Calculator
Calculate aspect ratios, convert dimensions, and determine letterbox/pillarbox requirements.
Aspect Ratio Calculator
Common Aspect Ratios
1:1 (Square)Instagram, Social
4:3 (Standard)Classic TV, iPad
3:2 (Classic Photo)DSLR Photos
16:9 (Widescreen)HD Video, YouTube
16:10 (Wide Display)MacBooks
1.85:1 (Cinema Flat)Movie Theaters
2.35:1 (Anamorphic)Epic Films
2.39:1 (CinemaScope)Modern Films
21:9 (Ultrawide)Ultrawide Monitors
9:16 (Vertical)TikTok, Stories
Aspect Ratio
16:9
Widescreen (1.7778)
Letterbox/Pillarbox Analysis
Bar Typenone
Black Bar Coverage0%
Aspect Ratio Preview
16:9
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Editorial Note
MyCalcBuddy Editorial Team
This page is maintained as an educational calculator reference.
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Formula Source: Standard Mathematical References
by Various
🔄Last reviewed: May 2026
✓Formula checks are based on standard references and internal QA review.