Hi NightCabbage - for AI export to be a predictable size make sure you uncheck the "Fit to page" option at export time, and also you should have your unit system in MoI set to millimeters, centimeters, or inches.

When that is the case the scale should be converted from either mm, cm, or inches into AI's native unit system which is "Points" where 1 Point = 1/72 of an inch, so that will preserve the unit size of your curves in that case.


If you have the "Fit to page" option checked, then instead of trying to preserve units it will instead scale the output to fit within a typical printed page size, and if you have fit to page disabled but some unit system set other than mm, cm, or inches it won't try to map the units into points because mapping something like meters into points will tend to make for quite large coordinate values, so it instead just applies a scale factor of 20 in those cases to try and get some reasonable range of point values but with a constant factor applied that is reversible.

If you have a case where you are having a problem with the exported size, could you post an example here so I can test it?

- Michael