Hi Lauri, Something like this? Input one length and one width (mix and/or match units) .... http://members.evolt.org/ronl/meterman.html HTH, RonL. -----Original Message----- From: Lauri Vain [mailto:optima at hot.ee] Subject: [thelist] JavaScript -- calculating & printing Could somebody please help me a little with a few lines of JavaScript? I have six input text fields: <.input type="text" name="length_meters"> <.input type="text" name="length_feet">