AutoLISP Developer's Guide > Using the AutoLISP Language > Using AutoLISP to Communicate with AutoCAD > Conversions > Unit Conversion >

Converting from Inches to Meters

If the current drawing units are engineering or architectural (feet and inches), the following routine converts a user-specified distance of inches into meters:

(defun C:I2M ( / eng_len metric_len eng metric)

  (princ "\nConverting inches to meters. ")

  (setq eng_len

	(getdist "\nEnter a distance in inches: "))

  (setq metric_len  (cvunit eng_len "inches" "meters"))

  (setq eng (rtos eng_len 2 4)

		metric (rtos metric_len 2 4))

  (princ

	(strcat "\n\t" eng " inches = " metric " meters."))

  (princ)

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