Aspect‑Ratio Calculator
Calculate aspect ratios, scale dimensions, and generate CSS code. Perfect for responsive images, videos, and containers.
Calculator Mode
Calculate Aspect Ratio
px
×
px
Aspect Ratio
16:9
Decimal
1.778
Percentage
56.25%
Scale Dimensions
px
×
px
px
px
Find Missing Dimension
:
px
→
px
px
→
px
Common Aspect Ratios
Visual Preview
Preview
1920 × 1080
Pro tip: The preview shows the relative size of your dimensions. Great for visualizing how different aspect ratios compare.
Generated CSS
/* CSS will appear here */