Dimensions
Result
Common Aspect Ratios
YouTube, HD Video
TikTok, Reels, Shorts
Classic TV, iPad
Instagram Square
Instagram Portrait
Ultrawide, Cinema
DSLR Photos
Portrait Photos
Classic Monitors
Panoramic Banner
Instant Calculation
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Common Presets
Quick access to popular ratios like 16:9, 9:16, 4:3, 1:1, and preset resolutions for all platforms.
Lock & Scale
Lock your aspect ratio and scale dimensions proportionally. Perfect for resizing without distortion.
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Common Aspect Ratio Guide
Quick reference for popular platforms and use cases
16:9 — Widescreen
Standard for YouTube, TV, monitors, and most video content. Common resolutions: 1920×1080, 2560×1440, 3840×2160.
9:16 — Vertical Video
Perfect for TikTok, Instagram Reels, YouTube Shorts, and Stories. Standard resolution: 1080×1920.
1:1 — Square
Ideal for Instagram posts, profile pictures, and thumbnails. Common size: 1080×1080.
4:5 — Portrait
Best for Instagram portrait posts - takes up more screen space than square. Size: 1080×1350.