Aspect Ratio Calculator
Calculate image and video aspect ratios (16:9, 4:3, 1:1, 9:16), resize dimensions proportionally, and find screen resolutions.
How to Use Aspect Ratio Calculator
Follow these simple steps to complete your task in seconds.
Enter Width or Height
Type your source dimensions in pixels or choose a popular resolution preset.
Select Target Ratio
Pick from common industry ratios like 16:9 (Widescreen), 9:16 (Story/TikTok), or 1:1 (Square).
View Proportional Dimensions
Check the real-time proportional visual preview box and copy your scaled dimensions.
Why Choose Quicklity for Aspect Ratio Calculator
Engineered for speed, privacy, and flawless conversion accuracy.
Greatest Common Divisor (GCD)
Automatically calculates the exact simplified integer ratio (such as 16:9 for 1920×1080).
Visual Proportional Box
Interactive preview rectangle updates dynamically to show relative visual proportions.
Video & Social Presets
Quick buttons for Full HD (1080p), 4K UHD, 720p, Instagram posts, and vertical stories.
100% In-Browser Privacy
Calculations run client-side with zero tracking or server communication.
Frequently Asked Questions about Aspect Ratio Calculator
Everything you need to know about using this tool.
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