AutoCAD based . . . Releases 10 through 2000. Bi-directional . . . Converts English to Metric, Metric to English, or either to Dual Dimensioning. Can handle very complex conversions.
Results can be in numerous formats, including fixed or floating decimal as well as fractional.
Can place unit labels on unlabeled measurements or leave them off. Can be scripted to convert large numbers of drawings unattended. Can convert drawings imported into AutoCAD from other platforms. Includes a Search and Replace utility for custom conversions of things such as bolts or steel. User customizable database allows you to add your own conversions using key word recognition and multiplier, rounding factor, etc., to handle almost any imaginable conversion.