Aspect
Ratio
Calculator

Calculate and simplify aspect ratios from pixel dimensions. Scale to new sizes while preserving proportions. Common presets for video, photo, and social media.

Original Dimensions

×
Aspect Ratio

16:9

Decimal: 1.7778

Scale to New Size

Enter a new width or height to calculate the other dimension while keeping the same ratio.

Preview

16:9

Common Ratios

Learn more

Why is 16:9 the standard, and what happens when your content and container ratios do not match?

Aspect Ratio Calculator | ToolsCanvas