Image resize calculator
Enter source and target dimensions to get the scale.
Result
1920 x 1080 into 800 x 600 fits at 800 x 450.
Example
Calculate the scale factor and output dimensions when fitting an image into a target box, preserving aspect ratio.
1920 x 1080 into 800 x 600 fits at 800 x 450.
Processed locally in your browser.
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