1
Enter Dimensions
Input width and height of your image or video.
Calculate Aspect Ratio
Aspect Ratio
16:9
1920 × 1080 pixels
Find Missing Dimension
Then Width should be:
1280px
Then Height should be:
720px
Common Aspect Ratios
Pro Tip
Maintain aspect ratio when resizing images to prevent distortion. Common ratios are 16:9 (widescreen), 4:3 (standard), and 1:1 (square for social media).
How to Use the Aspect Ratio Calculator
2
Calculate Ratio
Get the simplified aspect ratio instantly.
3
Resize Proportionally
Find new dimensions while maintaining the same ratio.
Understanding Aspect Ratios
Aspect ratio is the proportional relationship between width and height. It's essential for responsive design, video production, and image editing.
Frequently Asked Questions
Aspect ratio is the width-to-height ratio of an image or screen, expressed as two numbers separated by a colon (e.g., 16:9).
Maintaining aspect ratio prevents image distortion and ensures content displays correctly across different devices.