Aspect Ratio Calculator (Inches)
Calculate missing width or height dimensions while maintaining an aspect ratio. Perfect for resizing photos, screens, prints, and frames to exact inch measurements.
Aspect Ratio Calculator
:= 1.7778 ratio
16:9
"
Common Widths at 16:9
Click a row to calculate that size.
| Width | Height | Width (cm) | Height (cm) |
|---|---|---|---|
| 4" | 2.2500" | 10.16 | 5.71 |
| 5" | 2.8125" | 12.70 | 7.14 |
| 6" | 3.3750" | 15.24 | 8.57 |
| 7" | 3.9375" | 17.78 | 10.00 |
| 8" | 4.5000" | 20.32 | 11.43 |
| 10" | 5.6250" | 25.40 | 14.29 |
| 12" | 6.7500" | 30.48 | 17.14 |
| 16" | 9.0000" | 40.64 | 22.86 |
| 20" | 11.2500" | 50.80 | 28.57 |
| 24" | 13.5000" | 60.96 | 34.29 |
How to Use
- 1Select a preset ratio or enter a custom W:H ratio
- 2Choose whether you know the width or height
- 3Enter your known dimension in inches
- 4The missing dimension is calculated instantly
Formula
H = W × (ratio_h ÷ ratio_w)
W = H × (ratio_w ÷ ratio_h)
e.g. 16:9 at 20" wide: H = 20 × (9÷16) = 11.25"