Map Radius Calculator – Draw & Measure Circle on Map
Draw a circle on the map to measure radius distance and area coverage. Free online radius map tool for farms, fields, and property analysis. Works on any device.
Draw and Measure Radius on a Map
The Map Radius Tool allows you to create and adjust circles directly on an interactive map. Set a center point by clicking on the map, then drag to define the radius. The tool automatically displays both the radius distance and circular area — great for radius map analysis.
How to Use the Circle Measurement Tool
Click on the map to set the circle's center point
Navigate to your desired location and click to place the center of your circle.
Enter or drag to adjust the radius
Set the radius distance (e.g., 5 km, 10 miles) by entering a value or dragging the circle edge.
Instantly see the circle's area and boundary distance
The tool automatically calculates and displays both the radius distance and total circular area.
Adjust radius or move the circle anytime
Resize the circle or drag it to a new location to update measurements in real-time.
You can draw multiple circles for comparison — ideal for draw radius on map use cases.
Why Choose This Free Land Measurement Tool
Draw and resize circles interactively
Create perfect circles with precise center points and adjustable radius.
Measure radius distance and area simultaneously
Get both radius measurements and total circular area instantly.
Supports miles, kilometers, meters
Switch between different units for radius and area measurements.
Works on desktop and mobile browsers
Responsive design that works perfectly on all devices.
100% free with no sign-up
No registration required, completely free to use worldwide.
Measurement data caching
Your latest measurements are automatically saved and restored when you return.
Use this online circle measurement tool to visualize coverage zones or calculate circular field areas easily.
Typical Use Cases
Farmers
Measure circular irrigation zones
Businesses
Plan delivery or service coverage areas
Event planners
Determine radius reach for events or signage
Travelers
Check how far you can go within a specific distance
Need to measure irregular areas or paths? Try our Map Area Calculator or Map Distance Calculator.
Frequently Asked Questions
Q: Can I draw multiple circles on the same map?
A: Yes, you can compare multiple radius zones at once.
Q: How do I measure in miles instead of kilometers?
A: Switch the unit option in the control panel to miles.
Q: Can I save or export the circle data?
A: Currently, you can capture screenshots for your records. For professional data export features, we recommend using GlandGo mobile app which offers advanced measurement and export capabilities.
Q: Do I need to install any software?
A: No installation required. This is a web-based tool that works directly in your browser on any device with internet access.
Q: Is my location data stored or shared?
A: No, all measurements are processed locally in your browser. We do not store or share your location data or measurements on any cloud servers.
Need to measure something else?
Try our other free online tools for area and distance measurement.