مولد دوائر KML

What Is a KML Circle and Why You’d Need One

KML has no built-in circle shape. The format only understands points, lines, and polygons, so every “circle” you see in Google Earth is actually a many-sided polygon built to look round at normal zoom levels. Drawing that polygon by hand, point by point, is slow and error-prone — one wrong coordinate and the shape skews into an oval.

A KML circle generator solves this by calculating every point around a center coordinate automatically, at whatever radius and unit you need, then packaging it into a valid .kml file ready to open in Google Earth, Google My Maps, or any GIS platform that reads KML.

How to Create a Circle in Google Earth Using This Generator

Enter a center point as longitude,latitude — note the order, since KML stores coordinates longitude-first, the opposite of the “latitude, longitude” most people default to. Add a radius and pick a unit, choose a geometry type and color, and click Generate. The tool downloads a ready-to-use KML file with no manual XML editing.

For a full walkthrough with screenshots, see our guide: How to Create a Circle in Google Earth Using KML (Step-by-Step).

Geometry Types Explained: MultiGeometry vs Polygon vs LineString

KML represents the same circle three different ways depending on what you need from it:

• MultiGeometry — combines a LineString outline with a filled Polygon in one placemark. Use this when you want a circle that’s both clearly outlined and visually filled, which covers most mapping and presentation use cases.
• Polygon — a filled, closed shape with no separate outline layer. Lighter file weight than MultiGeometry, useful when you’re layering many circles and want to keep the file size down.
• LineString — outline only, no fill. Best for overlay work where a solid fill would hide the base map or imagery underneath, such as marking a boundary over satellite photos.

Choosing the Right Radius Unit

The unit you pick should match how the radius is actually used on the ground, not just what’s convenient to type:

• Meters / Kilometers — the default for most GIS, urban planning, and scientific mapping work outside the US.
• Miles / Feet — standard for US real estate radius searches, site plans, and local service-area mapping.
• Nautical miles — used in maritime and aviation contexts, including airspace and coastal zone mapping.

Real-World Uses for KML Circles

This tool gets used well beyond hobbyist mapping:

• Coverage mapping — visualizing broadcast, cell tower, or Wi-Fi range around a transmitter.
• Service and delivery radius — showing how far a business delivers or serves from a fixed location.
• Evacuation and safety zones — emergency planners drawing standard-radius zones around a hazard point.
• Real estate radius search — illustrating a “within X miles” search area on a property listing.
• Drone flight zones — marking restricted or planned flight radii around a launch point.
• Agricultural field mapping — center-pivot irrigation circles and field boundary visualization.

How to Open Your KML Circle in Google Earth, Google My Maps and GIS Software

1. Google Earth Pro (desktop) — File → Open, select the downloaded KML. Full support for all three geometry types and altitude modes.
2. Google Earth Web — drag the KML file onto the map, or import it from the Projects panel. Supports Polygon and LineString; complex MultiGeometry may render with partial fidelity.
3. Google My Maps — Import under a new layer. My Maps treats the circle as a standard polygon, so you can still edit its color and style after import, but it won’t recalculate the radius if you drag a point.
4. QGIS / ArcGIS — both read KML natively via their standard import tools, and the circle behaves as a normal polygon or line feature once loaded.

Common Mistakes When Creating KML Circles

• Swapping the coordinate order. KML expects longitude first, then latitude. Entering latitude,longitude silently places your circle on the wrong side of the globe.
• Picking LineString when you need a fill. If the circle needs to stand out over satellite imagery, Polygon or MultiGeometry reads far better than an outline alone.
• Ignoring terrain and altitude mode. A circle set to follow terrain can appear distorted over hilly ground; flat, large-area circles usually look cleaner clamped to ground level.
• Using the wrong radius unit for the audience. A circle in nautical miles means nothing to a real estate client expecting miles — match the unit to how the number will actually be read.

الأسئلة الشائعة

Can I create a true circle in KML?

Not natively — KML has no circle primitive. What you get is a polygon with enough points around the center that it reads as a smooth circle at normal map zoom levels, which is exactly what this generator calculates for you.

Why is my circle appearing in the wrong location?

This almost always means the coordinates were entered as latitude,longitude instead of KML’s required longitude,latitude order. Double-check the input format before generating.

Does this tool work for both small and large radius circles?

Yes. The same calculation works whether you’re mapping a 50-meter construction site boundary or a 500-mile broadcast coverage area — just set the radius and unit that match your use case.

Can I edit the circle after generating it?

Yes. The output is a standard KML file, so you can open it in Google Earth Pro, QGIS, or a text editor and adjust color, line width, or labels manually after generating.

Is this KML circle generator free to use?

Yes, it’s completely free with no signup, generate as many circles as you need.

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