Working in millimetres

As a standard, the correct terminology for measuring is to communicate in millimetres. Photoshop- Open, import and create all files as millimetres, with the resolution in pixels/inch. Corel Draw is slightly different and allows the user to customize their workspace. To work in millimetres in Corel go to Tools- Options- Document- Page size- here you will be able to make your workspace talk in millimetres