The coordinates finder tool is a tool for finding Latitude and Longitude values for your Google Maps places. Instead of using third party websites you can use this built in tool.
Step 1: Turn on the Coordinates Finder Tool
Step 2: Find Latitude and Longitude values
To find the Latitude and Longitude values you need to search by address. Type in your place address and click the small arrow. The tool will find the coordinates and fill them in the input boxes. Copy the data from the input boxes using the copy icon and paste the data in your places settings,