Aspect Ratio Calculator
Calculate aspect ratios, dimensions, and resize images while maintaining proportions.
Calculator
Calculate Width or Height based on a fixed Ratio.
Aspect Ratio
:
Dimensions (px)
Common Presets
Visual Preview
16:9
1920 x 1080
The box above represents the shape of your aspect ratio.
Aspect Ratio Calculator
The Aspect Ratio Calculator helps you find the dimensions of an image or video based on a specific ratio, or determine the ratio from existing dimensions. It's an essential tool for designers, photographers, and video editors.
What is Aspect Ratio?
Aspect ratio is the proportional relationship between the width and height of an image or screen. It is expressed as two numbers separated by a colon, like 16:9.
Common Aspect Ratios
- 16:9 (Widescreen): The standard for HDTV, YouTube videos, and most modern computer monitors.
- 4:3 (Standard): Used in older TVs, iPads, and some photography formats.
- 1:1 (Square): Popularized by Instagram and used for profile pictures.
- 9:16 (Vertical): The standard for smartphone stories (Instagram Stories, TikTok, Snapchat).
- 21:9 (Ultrawide): Used in cinematic films and ultrawide gaming monitors.
How to use this tool
- Dimensions Mode: Enter your desired width or height and select a ratio. The tool will calculate the missing dimension.
- Find Ratio Mode: Enter both width and height to discover the exact aspect ratio of your content.