Map Radius Calculator – Measure Circle Area and Distance on the Map

Easily draw a circle and measure radius on the map using this free online tool. Perfect for planning circular irrigation zones, farm spraying ranges, or circular plots. Just select your center point and radius, and the tool will display the area in acres, hectares, or sqm. For more precise control, offline use, and export options like KML/GeoJSON, try our professional GLandGo app on iOS and Android.

使用例とアプリケーション

このツールがプロフェッショナル環境で優れた性能を発揮する多様なアプリケーションと実際のシナリオをご覧ください

Irrigation Planning

Design circular irrigation systems, pivot irrigation coverage areas, and water distribution zones for efficient agricultural water management.

Coverage Zone Planning

Define service areas, delivery zones, emergency coverage areas, and geofencing boundaries with precise radius measurements.

Circular Field Planning

Plan crop circles, round field layouts, and circular agricultural plots with accurate area calculations for optimal land use.

Research & Analysis

Conduct spatial analysis, environmental impact studies, and geographic research with circular area measurements.

このツールの使用方法

生産性を最大化し、プロフェッショナルな結果を達成するための包括的なステップに従ってください

クイックスタートガイド

Click on the map to set your center point, then drag your cursor to draw the circle and set the desired radius. The area will be calculated automatically. You can also enter a specific radius value or drag the circle edge to resize it.

主要機能

このツールをプロフェッショナルワークフローに不可欠なものにする強力な機能と高度な機能性をご覧ください

Precise Radius Calculations

Get accurate radius and circular area measurements using advanced geodesic calculation techniques for any location worldwide.

Interactive Circle Mapping

See your circular measurements visualized in real-time with adjustable radius circles and instant area calculations.

Drag & Resize Functionality

Move circles by dragging and resize by entering new radius values or dragging the circle edge for precise adjustments.

Real-time Area Display

View both radius distance and total circular area simultaneously with automatic calculations as you adjust the circle.

よくある質問

よくある質問への包括的な回答を見つけ、最適な結果を得るために必要な専門的なガイダンスを入手してください

How accurate is the circle radius measurement?

Our tool uses geodesic calculations that account for the Earth's curvature, providing highly accurate radius and area measurements for any location worldwide.

Can I change the radius after drawing the circle?

Yes! Simply enter a new value in the radius field and the map will update instantly, or drag the circle edge to resize it.

What units are supported for radius and area?

The tool supports radius in meters, kilometers, feet, and miles, plus area in square meters, square kilometers, square feet, and square miles.

Can I move the circle to a different location?

Yes! You can move the circle by dragging it to another position while maintaining the same radius size.

アプリアイコン

GLandGo フィールド測定アプリをお試しください

GPS面積、距離、周囲、データエクスポートを含む高度な測定機能。 GPS面積, 距離, 周囲, and データエクスポート.

土地測量士、農家、不動産専門家に最適。

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