Radius Map Tool
Draw a circle on a map and measure a map radius around any location. This radius map tool shows the current radius, circle area, and center coordinates as you adjust the circle.
How to draw a radius circle on a map
- Move the map to the location you want.
- Click to set the circle center.
- Move your pointer to increase or decrease the radius.
- Read the radius, area, and Lat/Lon in the tools panel. Use Clear to start over.
What you get
- Radius in meters, kilometers, miles, feet, and nautical miles.
- Circle area in square meters and square kilometers.
- Center coordinates (Lat,Lon).
Radius Map FAQ
How do I use this radius map tool?
Click the map to set the circle center, then move your pointer to adjust the radius in real time. The map radius, circle area, and center coordinates update instantly in the tools panel.
How do I measure a map radius around a point?
Set the center with one click, then move outward until the circle matches the distance you need. The radius is shown in meters, kilometers, miles, feet, and nautical miles.
Does the circle area update in real time?
Yes. As you change the radius, the circle area is recalculated and displayed immediately.
Can I clear or change the center point?
Use Clear to remove the current circle. Click again to set a new center point and draw a new radius circle.
Related tools
To measure length along a route instead of a circle, use the map distance calculator.