Map Area Calculator Tool (2024)




How to Use

  • Search or pan and zoom on the map to find a location
  • Click multiple times around the map to define an area
  • Double click to add the last point and complete the area
  • The calculated area will then be displayed below the map

Touch Screen Devices

To support touch screen devices, we have a full screen map interface. Follow the steps below to use the touch screen map

  • Click the link [Open Map For Touch Screen Devices]
  • Tap on the map to place each node of the area
  • To complete the area double click for the last point
  • The main page will then show the area you have just drawn

Other Options

  • Once the area is drawn, click on a node to remove it
  • You can add multiple areas by starting a new area after one is completed
  • Click [Delete All Areas] to remove all areas drawn
  • Click [Generate KML] to generate a KML file representing the last area drawn. Once you click this option, after a short delay, a hyperlink "Download KML File Here" will appear. From this link, you can download your KML file
  • You can adjust the map size by clicking Small, Medium, Large
  • Click [Export Lat/Lng] to export a list of latitude and longitude coordinates to a text box below the map. You can then copy and paste these to an external system.

Login to Save and Load Maps

You can create an account for free from which you can save and load saved areas unique to you. Click [Create Free Account] to create a new, free account. Once you confirm your email, you will be able to save and load maps while logged in.

Relevant Links

Leaftlet Maps

Future Uses and Ideas

  • Allow multiple areas to be added to a project, saved then loaded afterwards
  • Allow upload a KML file and calculate any areas of polygons inside
  • Allow export of lengths of perimeter sides
  • Allow different color schemes for additional areas rather than just one (+2)
  • The ability to select an area as an entirety and drag it around, copy/clone/duplicate it
  • Option to subtract sub area from main area
  • Saved Areas : Allow them to be loaded or unloaded independently
  • Allow area fill and perimeter color to be changed after the area has been added

Version History

Version Date Description
1.0 14/11/2007
2.0 25/03/2008
2.1 16/10/2008 Added Terrain map type
2.2 14/12/2009 Added quick find search tool
2.3 21/03/2009 Added acres output
2.4 04/11/2009 Increased maximum size for the Quick Find option
2.5 28/01/2010 Added square nautical miles output. Rounded off all output to 2 decimal places
2.6 22/02/2010 Added square feet output.
2.7 12/10/2010 New option to input points manually by lat/lng pairs.
3.0 01/12/2010 Implemented Google Maps API V3
3.1 19/12/2010 Added option to export to KML (Google Earth)
3.2 17/02/2011 Added option to draw more than one area in the same session
3.3 07/06/2011 Fixed Issue with last polyline not showing on KML output
4.0 08/09/2011 Ability to save areas under user login
4.1 14/12/2011 Added hectares output
4.2 22/12/2011 Added full screen option
4.3 05/02/2012 Improved Search Facility
5.0 12/11/2012 Added perimeter output
6.0 05/01/2013 Default map is now larger
Download KML File Here link has been moved
Added Zoom to Fit button
Fixed bug with perimeter calculation
6.1 29/06/2014 Added option to change fill and line colours
6.2 18/07/2014 Added button [Toggle Markers]
6.3 05/11/2014 Search Function now works when you hit enter
6.4 23/03/2015 New button [Estimate Address] to estimate the address of the map centre point
6.5 15/04/2015 New transparent fill area option
6.6 11/05/2015 Location of marker now displayed when you hover over the marker
6.7 27/10/2015 KML export now includes all areas
6.8 11/11/2015 New option to export list of latitude and longitude to a text box
6.9 14/12/2015 Now displays total perimeter
6.10 06/01/2016 New option to only download the last area as a KML file when you draw multiple areas
6.11 28/01/2016 Improved Full Screen function
Added Keyboard Shortcuts
6.12 16/02/2016 Added new function to delete a marker when you right click
6.13 24/02/2016 Added option to show grid lines on map
6.14 04/04/2016 Updates to print formatting
6.15 02/08/2016 Bug fix : Sometimes area would not delete when click the red X
6.16 21/02/2017 Bug fix : Issue while renaming a saved area. Now resolved
6.17 17/08/2017 Fixed issue with text formatting of notes
6.18 19/10/2017 Area nodes can be added and removed more easily
6.19 05/07/2018 Full Screen mode now displays the current area on screen
6.2011/08/2018Google Maps search removed due to costs. Replaced with custom search tool
7.003/03/2024Converted to use Leaflet Maps
7.1 04/03/2024 Support for Touch Screen Devices
7.2 25/03/2024 Added option to remove last node
Map Area Calculator Tool (2024)

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