Everyday Math
Basic

Aspect Ratio Scaling

Find a height that preserves an aspect ratio.

Formula

h=w×rhrwh = w \times \frac{r_h}{r_w}

Variables

wWidth
r_h,r_wRatio terms

Example

1920 wide at 16:9 = 1080 tall

Did You Know?

16:9 is the standard for modern screens and video.

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