Energy Cost Calculator: calculates the Operating cost & Energy Usage of Electric Equipments or Machinery. Enter 1.Consumption/hour (Watts/KiloWatts) 2.Usage/hour (No of hours used) 3.Cost/watt and the App will calculate 1. Cost per Day 2. Cost per Week 3. Cost per Month 4. Cost per Year 5. Energy Usage per Day/Week/Month/Year 6. Demand Charges for Energy for running that particular Machinery or Equipment. Know the amount of Carbon Emission per Year, for the Electricity you have consumed in a year.