Click the map to draw a polygon. Each click adds a vertex.
Click the first vertex again to complete the shape.
When the shape is complete, its area appears automatically at the center. Click the area label to see the area in automatically selected units and the total perimeter. Click again to return to the original display. The length of each side is shown at its midpoint.
Click the map button (map or satellite icon) at the bottom right to open a menu and change the map view.
Available views: map and satellite imagery
Click the unit button (such as m²) at the bottom right to open a menu and choose the area unit.
Click “More” in the menu to show all units. See “Available units” below for details of each unit.
Click the location button (location icon) at the bottom right to center the map on your current location.
On first use, you must allow the browser to access your location.
Click the delete button (trash icon) at the bottom right to remove the drawn shape and draw a new one.
These are the units you can select from the unit menu. Click “More” to choose from all the units below.
Displays areas below 1,000,000 m² in m², and areas of 1,000,000 m² or more in km².
1 km² = 1,000,000 m². The area of a square with 1 km sides; useful for checking large regions.
The area of a square with sides 1 m long; useful for measuring areas such as building plots and parcels of land.
1 ha = 10,000 m² = 100 a. The area of a square with 100 m sides; useful for farmland and parks.
1 a = 100 m². The area of a square with 10 m sides; useful for fields.
1 chō ≈ 9,917.36 m². A traditional Japanese area unit equal to 10 tan.
1 tan ≈ 991.74 m². A traditional Japanese area unit equal to 10 se.
1 se ≈ 99.17 m². A traditional Japanese area unit equal to 30 tsubo.
1 tsubo ≈ 3.31 m². A traditional Japanese area unit useful for checking the size of homes and land.
1 ac ≈ 4,046.86 m². An imperial unit for land area.
1 ft² = 0.09290304 m². The area of a square with 1 ft sides.
1 mi² ≈ 2,589,988.11 m². The area of a square with sides 1 mile long.
1 yd² = 0.83612736 m². The area of a square with 1 yd sides.
1 in² = 0.00064516 m². The area of a square with 1 in sides.
1 rd² ≈ 25.29 m². The area of a square with sides 1 rod long.
1 ch² ≈ 404.69 m². The area of a square with sides 1 chain long.
Click along the boundary of the land you want to measure to calculate its area.
Draw along the boundary of the plot to check its area.
You can easily measure large areas. Switch units to display the result as needed.
We cannot accept responsibility for any damage or trouble arising from use of this tool. Use measurement results as estimates.
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