## Documentation Index Access the complete documentation index at: https://www.zoho.com/us/books/kb/llms.txt Use this file to discover all available documentation pages before proceeding. [Back](./) # I’m not sure about how to calculate the mileage using the odometer reading. It’s really simple. All you have to do is enter the **Start reading** displayed on the odometer before beginning the trip and enter the **End reading** displayed on the odometer once you complete the trip. Fill in the other fields and click **Save** to finish.