Aspect Ratio Calculator
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What is an Aspect Ratio Calculator?
An Aspect Ratio Calculator determines the proportional relationship between the width and height of an image, video, or screen. Aspect ratio is expressed as a ratio (e.g., 16:9, 4:3) and is crucial for maintaining proper proportions in design and media.
Aspect ratio calculators are essential for:
- Image & Video Editing: Ensure content maintains correct proportions when resizing
- Web Design: Create responsive layouts that scale properly across devices
- Social Media: Format images and videos for different platform requirements
- Display Settings: Understand screen and monitor aspect ratios
- Photography: Plan compositions and crop images while maintaining ratios
Common aspect ratios include 16:9 (widescreen), 4:3 (standard), 1:1 (square), and 21:9 (ultrawide). Our calculator automatically simplifies ratios to their lowest terms (e.g., 1920:1080 becomes 16:9) and provides a visual preview to help you understand the proportions.
Frequently Asked Questions
Common ratios include 16:9 (HD/Full HD), 4:3 (traditional TV), 1:1 (square/Instagram), 21:9 (ultrawide), and 9:16 (vertical/Stories).
Multiply both width and height by the same factor, or use the aspect ratio to calculate one dimension from the other.
Maintaining correct aspect ratios prevents distortion, ensures content displays properly on different devices, and meets platform requirements for social media and websites.