Conduit Calc is a calculator for Electricians to work out the required size of conduit to install for the given amount of conductors based on Cross Sectional Area measured in mm. The Calculations use factor figures from the UK BS7671:2008 wiring regs literature and so, is targeted at UK Electricians though it may be useful to others.Max Conductor size: 25mmMax Conduit Size: 63mmthese are the limits of the literatureSimple to use Easy to read resultsnote This has been created to be part of a larger 39;ToolBox39; app that is still in development but I have created this stand alone version for testing and feature requesting. Please let me know of any issues andor requests you have.Thanks for looking.