Radius Around Point
You can use this tool to find the radius around a point on the map. First type in the radius required in kilometers or miles and then click on the map at the center of where you wish the circle to appear. You can then create as many radii as you wish.
Radius Around Point Map
Search For Location :
Options
Instructions
- Type in a radius required in the text box above.
- [Zoom and Pan to find the required area on the map then click on the map to draw a circle] OR [Type a location into the text box and click Draw Radius] OR [Input the latitude and longitude of the location in decimal format].
- Click as many times as necessary to draw multiple circles.
- You can use the [Clear Map] button to erase all markers and radii and start again.
Use the "URL to last radius" text box to find a URL that will show the most recent radius on this page when opened in a web browser. This URL can be sent to anyone if you wish to forward it on.
Google Earth KML Output
You can now export all the drawn radii on the map to Google Earth for improved display and printing. You must have Google Earth installed (or another application capable of importing KML files). You need to have a radius displayed on the map before the output will work. Please report any bugs.
The procedure to Export to KML is as follows:
- Draw one or more radii on the map as you see fit
- Once ready, click the [Generate KML] button. You will probably need to scroll down the page to find this!
- After a short delay, a blue hyperlink will appear below the button that reads [Download KML File Here]
- Click the hyperlink to download the KML file to your local machine
- You can then open the KML file in application such as Google Earth
Currently, the KML will include:
- The same radius size and shape
- Transparency of 50%
It will not include:
- Shading colour (blue only, but you can change this once it is loaded into Google Earth)
- Line colour (you can change this once it is loaded into Google Earth)
- Line thickness (you can change this once it is loaded into Google Earth)
These features may be added later depending on feedback.
CSV Upload
The CSV option allows you to upload bulk points to the map. To do this you must format your points using the convention of latitude,longitude,radius per line where latitude and longitude are in decimal format and radius in km. Make sure to strip out any whitespace. You can upload as many lines as you wish, however more lines will take more time and every web browser will have its limits on the maximum number of lines (hence circles drawn) before things slow to a halt.
For Example...
51.538611,-0.016389,10
51.538611,-0.016389,15
..should add two radii around the Olympic stadium in London for 10km and 15km
Future Ideas
- Allow annotation for labeling the radius center point
- Allow annotation for the radius distance
Version History
- 7th May 2013 - 2 new options added : URL loads full screen? AND URL loads unclickable map?
- 13th January 2013 - Label on marker now displays radius. You can now annotate markers.
- 15th February 2012 - Updates to layout of options
- 8th January 2012 - Added search for location text box
- 7th January 2012 - Resolved issue where the specified fill colour was not used if the draw by address or latitude/longitude was used
- 22nd December 2011 - Added full screen option. Fixed issue when dragging the centre point of a smaller radius
- 15th September 2011 - Added option to upload CSV text for bulk upload of multiple points
- 13th June 2011 - Fixed issue with clear fill having the same colour as the previously selected colour
- 7th June 2011 - Option to hide the resize grip
- 3rd June 2011 - Radii can now be resized while onscreen
- 23rd May 2011 - Radii can now be clicked to be drawn inside an existing radius
- 10th May 2011 - Static map output now uses Google Static Maps API V2. No key required. Will not output an URL > 2048 characters
- 9th May 2011 - Fixed issue with clear fill having a grey shade
- 15th April 2011 - Allow the last radius to be deleted (not just all at once)
- 3rd February 2011 - Export to KML now copes with multiple radii
- 20th January 2011 - Circumference and area now also output in miles and acres
- 29th December 2010 - Click on a marker to delete it
- 29th December 2010 - Allow markers to be dragged
- 29th December 2010 - Converted to Google Maps API V3
- 2nd June 2010 - Moved the scale control to the top of map to stop conflict with Google Search bar
- 27th January 2010 - Added Google Earth KML Output
- 13th October 2009 - Overlapping radii now supported
- 29th September 2009 - Added Google Search Bar to map. Added radius display on marker when you hover over the marker
- 24th September 2009 - Added URL to last radius function
- 17th September 2009 - Added Google Maps Static API Image Output
- 3rd January 2009 - Added latitude and longitude input option
- 29th September 2008 - Added clear fill option
- 9th September 2008 - Added Place radius by location name option and reworked some other functions
- 21st January 2008 - Improved circle reliability and added fill colour
- 15th October 2007 - Added area and circumference output
- 25th September 2007 - Added different colour's, change thickness, show/hide center marker, change map height and print the page
- 13th September 2007 - Now works with IE
- 22nd July 2008 - Added option to use miles as radius input
- 30th June 2007 - Clear Map button added
- 29th June 2007 - Page created with basic functionality
Previous Comments For This Page
Awesome tool.. Great for planning trips
By SM on 19/06/2013
Would also be useful if you could search for say "restaurants" within the radii
By Max on 12/06/2013
Love this tool. Thank you! Stephen in Miami Beach, Florida
By Stepheninmiami on 11/06/2013
Uploaded 3 points using the csv option but the map doesn't zoom to show the extents - it cuts off one of the circles and when I drag the map down to see the full UK outline, the bottom half of the map goes grey and doesn't redraw
On 09/06/2013
would be great to see an output list of where radii circles intersect or now. KML output did not work - out of memory at line 260?
By Mapper on 07/06/2013
Not a comment, but a question. Can I add counties that are inside my radius circle?
By Shawn on 07/06/2013
Wonderful! Many possible applications for this tool! Thank you!
By Maridon Bradley on 05/06/2013
very good job .but when i open google earth , it s not a circle . it s deformed
By amocco on 31/05/2013
Genius! I've just started a tutoring business from Bedford and needed to know what offering to cover a radius of 10 miles. I just hit control P and got myself a nice map, thanks! Maybe I'll see what an area of 15 miles looks like......
By bedfordtutoring.com on 30/05/2013
Dan, Unfortunately not.
By Free Map Tools on 29/05/2013
Exactly what I needed, thanks!
On 29/05/2013
Would be good if after entering town and getting a point on map, the coordinates are shown / generated. E.G. if I enter Stroud, Gloucestershire, the coordinates box is filled in. Also, in the layout, where you have location - radus distance on the same line, and several locations could be added at the same time. This would be very useful to find for example an overlap that is - 10 miles from Cirencester, 2 miles from Stroud and 100 miles from London, best regards, Kev
By KCH on 29/05/2013
Thank you!! We are trying to plan a family vacation and did not want to drive too far because my nephew is only 2.
I really appreciate you creating and maintaining this awesome tool :D
By Jessica on 27/05/2013
Not easy to understand, but works well when I worked it out!
On 24/05/2013
Is there any way to specify say 10 miles from the border of a Town in all directions?
By Dan on 23/05/2013
Excellent tool, too bad is not printable from a tablet
By LMM on 23/05/2013
It would be great if we could compare to US Census so we could see the data within the cirle for a given year.
On 23/05/2013
How do I print it out?
On 22/05/2013
Just to add to my previous comments, for anyone looking to get a list of the point coordinates after they have been placed on the map:
Using Chrome, open the JavaScript console and type in
Console.info(JSON.stringify(routePoints))
Hope this helps someone!
By Andreas on 21/05/2013
Hi, thank you for the fantastic tool. Just two things: 1. exporting KML doesn't work on Chrome (it only outputs one or two points). 2. Could you possibly add a function to export all the points on the map as a CSV? Thanks!
By Andreas on 21/05/2013
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