Instructions
Aspect ratio & resize calculator
How to use
Enter original width and height and a target width.
Enter original width and height and a target width.
Supported input
Positive integer dimensions; target height is rounded to the nearest pixel.
Input example
1920 × 1080; target width 1280
Result example
3:2 · 600×400px
Troubleshooting
Check required inputs, numeric ranges and the selected conversion direction. Enter original width and height and a target width.
Limitations
Positive integer dimensions; target height is rounded to the nearest pixel.
How it works
Find a ratio and resize dimensions proportionally. Positive integer dimensions; target height is rounded to the nearest pixel.
Units & precision
Positive integer dimensions; target height is rounded to the nearest pixel.