https://forums.autodesk.com/t5/inventor-forum/ceil-function-not-working/m-p/5694922#M370497 actually i think ive figured this out.<BR /><BR />I wrote the equation as<BR /><BR />(ceil((Height*1.7ul)/1in))*1in<BR /><BR />seems to work, not sure if any of that is unnecessary, but the end result works so ill probably keep it that way. Fri, 26 Jun 2015 13:13:17 GMT Anonymous 2015-06-26T13:13:17Z