Quickly convert a measurement taken from a scaled drawing into its real-world distance, or calculate the print percentage required to move a drawing from one scale to another.
At 1:50, a 25 mm measurement on the drawing represents 1.25 m in reality. Moving a drawing from 1:100 to 1:50 requires printing at 200%.
Enter the distance measured on the printed or PDF drawing.
Choose the drawing unit and enter the scale denominator.
Calculate to get the corresponding real-world distance.
For rescaling, enter the original and target scale to get the required print percentage.
A 1:50 drawing is twice as large on paper as 1:100, so the resize calculator returns 200%.
Yes. Enter the denominator you need rather than relying only on the common-scale shortcuts.
No. The math assumes the drawing has been reproduced at the stated scale. Always verify a known dimension when print scaling may have changed.
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