Image Aspect Ratio Calculator: Resize & Scale Pixels

1. Set Original Dimensions

:

2. Scale to New Size

Change one value to automatically calculate the other while locking the ratio.

↔
Aspect Ratio
16:9

Live Ratio Visualizer

Free Image Aspect Ratio & Pixel Calculator

Welcome to the Aspect Ratio Calculator by CalcHub Pro. If you are a digital artist, web developer, or content creator, getting your image dimensions perfectly scaled is critical. Use our free tool to find the exact aspect ratio of any image, or scale your pixel dimensions up and down without stretching or distorting your graphics.

Common Aspect Ratios

  • 16:9 (Widescreen): The universal standard for YouTube video thumbnails, television screens, and most desktop computer monitors. Standard dimensions include 1920x1080 and 1280x720.
  • 1:1 (Square): The classic format for Instagram posts and profile pictures across almost all social media platforms. Standard dimension: 1080x1080.
  • 9:16 (Vertical Video): The standard for TikTok, YouTube Shorts, and Instagram Reels. Standard dimension: 1080x1920.
  • 4:3 (Standard): The traditional ratio for older televisions, iPads, and standard photography.

How to Scale an Image Without Distortion

When resizing an image for a website layout or a social media post, you must maintain its original aspect ratio, otherwise the image will look crushed or stretched. Our calculator "locks" the ratio for you. Simply input your original dimensions in the top boxes, then type your desired new Width or Height in the bottom boxes. The tool will instantly calculate the exact matching pixel dimension.

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