The iEHS Metrics app is used to collect data for metrics in iEHS. The application provides input of numeric data along with the associated units of measure. The application also allows users to take photos of invoices, bills, etc and associate them with the uploaded data.iEHS can be configured to collect, store and provide analysis on any data that changes over time. Typically this is used for energy management, carbon calculations, sustainability metrics, health and safety, quality and so on but can be used for any data. The application includes unit of measure conversions, data roll up by time, business units, geography and users can also define calculated metrics such as total energy, carbon per production unit, etc. that the application will create for each roll up. The main application then provides Business Intelligence software for analysis and reporting.