Hi Michael, > Here are some conversion pages for anyone interested... > http://www.nitto.co.uk/conversions2.html > http://www.nitto.co.uk/conversions.html#pressure > http://xtronics.com/convert.htm Thanks for these handy pages for the academics but........... Gosh.who uses all stuff nowadays? Hands up those who remember wot a "dyne" or an "erg" is or even wot means "Torr" <wg> And the speed of light in furlongs per fortnight is.......? Carol