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CSS Aspect Ratio Calculator
Calculate modern CSS aspect-ratio and legacy padding percentages
Formula: $\text{Aspect Ratio} = \frac{\text{Width}}{\text{Height}}$ and $\text{Padding Bottom} = \left(\frac{\text{Height}}{\text{Width}}\right) \times 100\%$. Enter dimensions below.
Dimension Parameters
Calculation Results
⚠️ For educational and web development reference purposes only.