Marea - Map Area Calculator

What is Marea?

Marea is a map area calculator app that lets you measure land area, distance, perimeter and acreage on a map. It works on both iOS and Android devices, making it easy to calculate the size of any plot of land, property or region.

How do I measure area on Google Maps?

With Marea, simply open the app, navigate to your location using the satellite or map view, and tap to drop pins around the area you want to measure. The app instantly calculates the area in your preferred measurement unit — square meters, acres, hectares, square feet and more.

What measurement units are supported?

Marea supports a wide range of land measurement units. For area: square meters, square feet, square kilometers, square miles, acres, and hectares. For distance: meters, feet, kilometers, miles and nautical miles.

Can I use Marea to find property lines?

While Marea doesn't provide official cadastral data, you can use the satellite map view to identify property boundaries and measure property lines with high accuracy. Many real estate professionals and homeowners use Marea to estimate lot sizes and boundary distances.

What is a KML file and how does Marea use it?

KML (Keyhole Markup Language) is a file format used to display geographic data in mapping applications like Google Earth. Marea lets you export your area and distance measurements as KML files, making it easy to share your work or import measurements from other tools.

Which maps does Marea support?

On iOS, Marea supports both Apple Maps and Google Maps — you can switch between them in the settings. On Android, Marea uses Google Maps.

How accurate is the area calculation?

Marea uses high-precision GPS and mapping data to calculate areas. For most practical purposes — property measurement, acreage calculation, land surveying estimates — the accuracy is excellent. The more precisely you place your pins, the more accurate your measurement will be.

Can I measure distance between two points?

Yes, Marea makes it easy to measure distance between any two or more points on the map. Simply drop pins and the app will calculate the total distance and perimeter in your preferred unit — kilometers, miles, meters or feet.