Aspect Ratio Calculator

Calculate and convert between different aspect ratios and resolutions. Perfect for video, photography, and design projects.

Aspect Ratio Calculator

Calculation Type

Calculate Aspect Ratio from Dimensions Calculate Dimensions from Aspect Ratio Convert Between Resolutions

Dimensions

Width

Height

Aspect Ratio

Width Ratio

Height Ratio

Target Dimension

Target Value

Resolution Conversion

Source Resolution

Width

Height

Target Aspect Ratio

Width Ratio

Height Ratio

Results

16:9

1.78:1

Aspect Ratio Analysis

Ratio: --

Decimal: --

Percentage: --

Dimensions

Width: --

Height: --

Total Pixels: --

Common Formats

Quick Aspect Ratio Tools

Common Aspect Ratios

16:9 (1.78:1)

HD Video, Modern TVs, YouTube

4:3 (1.33:1)

SD TV, Old Computer Monitors

21:9 (2.33:1)

Ultrawide Monitors, Cinema

1:1 (1.00:1)

Square Format, Instagram

8:5 (1.60:1)

Golden Ratio, Photography

Aspect Ratio Facts

What is Aspect Ratio?

Aspect ratio is the proportional relationship between width and height of an image or screen, expressed as width:height.

Why Aspect Ratios Matter

Different aspect ratios are optimized for specific content types, viewing distances, and display technologies.

Common Applications

Video production, photography, web design, mobile apps, and display technology all rely on proper aspect ratio calculations.