Aspect Ratio Calculator

The 16:9 aspect ratio, also known as "widescreen," is the standard format for modern displays, including HDTVs, computer monitors, and mobile devices. This ratio means that for every 16 units of width, there are 9 units of height. It provides an optimal viewing experience for most content, including movies, games, and web browsing, offering a wider field of view compared to the older 4:3 format.

The 4:3 aspect ratio, also known as "standard" or "fullscreen," was the traditional format for older televisions and computer monitors. This ratio means that for every 4 units of width, there are 3 units of height. It was the dominant format before the widespread adoption of widescreen displays and is still used in some professional video applications and retro gaming.

The 21:9 aspect ratio, also known as "ultrawide," is an ultra-wide format that provides an immersive viewing experience. This ratio means that for every 21 units of width, there are 9 units of height. It's popular among gamers and content creators for its cinematic feel and increased horizontal workspace, offering a wider field of view than traditional 16:9 displays.

The 1:1 aspect ratio, also known as "square," is a perfectly square format where width and height are equal. This ratio means that for every 1 unit of width, there is 1 unit of height. It's commonly used in social media platforms like Instagram (for posts), photography, and some mobile applications where a balanced, symmetrical composition is desired.

The 3:2 aspect ratio is a classic format that was popular in 35mm film photography and is still used in many digital cameras. This ratio means that for every 3 units of width, there are 2 units of height. It provides a good balance between width and height, making it ideal for landscape photography and some professional printing applications.

The 5:4 aspect ratio is a traditional format that was commonly used in large format photography and some professional printing applications. This ratio means that for every 5 units of width, there are 4 units of height. It's slightly taller than 4:3, providing a more portrait-oriented format that's well-suited for certain types of photography and document scanning.