We often need to measure areas and land in a precise and practical way. Whether for professional or personal purposes, technology offers us a range of applications that make this work easier. Therefore, in this article, we will explore the best free apps for measuring areas and land, highlighting their features and how they can be useful in your daily life.
To ensure you find the best option, we selected five apps that stand out on the market. We will also discuss their main features and how to use them. Furthermore, it is important to highlight that accuracy and ease of use are determining factors when choosing these applications.
Applications for Measuring Areas and Land
First of all, it is essential to understand that each application has its own particularities. Next, we'll analyze each one in detail so you can choose the one that best suits your needs.
Google Earth
Google Earth is a well-known and widely used application for various purposes. However, many do not know that it also allows you to measure areas and land for free. With it, you can trace perimeters and calculate areas accurately.
To get started, download the app from Google Play or the App Store. Then, use the measurement tool to draw the outline of the desired area. Thus, the application will automatically calculate the area and perimeter, making the process extremely easy.
Planimeter
Planimeter is another excellent application for measuring areas and terrain. It is very intuitive and offers several additional features that may be useful. In addition to measuring areas, you can calculate distances between points and save your measurements for future reference.
This app is available for Android and iOS, allowing you to use it on any device. Additionally, it supports exporting your measurements in different formats, which is ideal for professionals who need to share data with colleagues.
GPS Fields Area Measure
GPS Fields Area Measure is a robust and accurate tool for measuring areas and terrain. It uses GPS data to provide accurate measurements, making it especially useful in rural areas and large properties. Furthermore, the application allows you to save and organize your measurements in a practical way.
Available for both Android and iOS, GPS Fields Area Measure is a popular choice among farmers and real estate professionals. So, if you need a reliable and easy-to-use tool, this is an excellent option.
Map Pad
Map Pad is a versatile application that combines measurement tools with mapping features. It allows you to measure areas, distances and even create custom maps. This makes Map Pad a complete option for those who need advanced functionality.
You can download it from Google Play or the App Store. Additionally, the application offers integration with cloud services, making it easy to store and share your measurements. This means you can access your data from anywhere.
Area Calculator
Finally, the Area Calculator is a simple but effective tool for measuring areas and land. It stands out for its friendly and easy-to-use interface. Just enter the points on the map and the application will calculate the area automatically.
Available for Android and iOS, Area Calculator is ideal for those who need quick and accurate measurements without complications. Therefore, if you are looking for an app straight to the point, this is an excellent choice.
Additional Application Features
In addition to measuring areas and terrain, many of these applications offer additional functionality that can be extremely useful. For example, some allow you to save and organize your measurements, export data in different formats and even integrate with other mapping services.
It is important to explore all the features offered to maximize the use of the chosen application. This way, you will be able to carry out your measurements more efficiently and professionally.
Step-by-step guide to reliable field measurement.
Most poor measurements aren't the app's fault: it's due to haste. Sticking to a fixed routine changes the results more than switching programs.
- Wait for the receiver to stabilize. Arrive at the site, open the app, and stand there in the open for a minute or two before marking anything. The first minute is always the most inaccurate.
- Choose an obvious starting point. A corner post, the edge of the wall, a solitary tree. You'll need to come back to that exact spot at the end.
- Walk in one direction only. Walk the entire perimeter in one direction only, without going back to check. Going back and forth along the same stretch doubles points and distorts the area.
- Keep up the pace. Steady pace, device in hand, screen facing upwards. Stopping, running, and swerving abruptly creates false peaks in the line.
- Go around the obstacle on the outside and manually mark the vertex. If a swamp or thicket prevents you from following the boundary, mark the corner point on your hand and continue; do not let the detour become part of the polygon.
- Close at the starting point. Finish on top of the stake where you started. The distance between the first and last point is your best indicator of error: if it's several meters off, start over.
- Save with name and date. The terrain changes, fences move, you forget. A descriptive name prevents comparing two measurements from different years and thinking they are from the same place.
If the land has a straight boundary visible from above, there's an even better shortcut: mark only the vertices, one by one, instead of recording the entire walk. Fewer points, less noise, cleaner outline.
Hectare, alqueire, and square meter without getting lost.
Half of the discussions about land size in Brazil are, in fact, discussions about unity. It's worth establishing the equivalences:
- 1 hectare That's equivalent to 10,000 square meters — a square measuring 100 by 100 meters.
- 1 square kilometer This is equivalent to 100 hectares.
- 1 fathom The traditional measure is 2.2 meters; a square fathom, therefore, equals 4.84 square meters.
- 1 Paulista alqueire This corresponds to 5,000 square fathoms, or 24,200 square meters — approximately 2.42 hectares.
- 1 alqueire mineiro (also used in Goiás) corresponds to 10,000 square fathoms, or 48,400 square meters — about 4.84 hectares.
- Task, court, date and line They vary in size depending on the region. Before negotiating, ask how many square meters the unit is equivalent to in that municipality.
Notice the size of the problem: the Minas Gerais alqueire is double the size of the São Paulo alqueire. Buying "ten alqueires" without specifying which one it is means a difference of more than 240,000 square meters. Always convert everything to square meters or hectares before comparing prices, and set the app to the same unit you're thinking of.
How to check if the number makes sense
No measurement should be accepted without a second opinion, and you don't need equipment to give that second opinion.
The first test is repetition: measure the same terrain twice, at different times of day. If the two results are close, you have a reasonable estimate. If they differ significantly, one of the two measurements had a signal problem.
The second is basic geometry. A rectangular plot of land has an area equal to base times height. An irregular shape can be decomposed into rectangles and triangles—the area of a triangle is base times height divided by two—and the sum of the parts should match the total in the application. When it doesn't match, there's almost always a vertex out of place.
The third step is documentary: compare it with the area listed on the property registration or tax bill. A difference of a few percent is expected. A large difference doesn't necessarily mean the paperwork is wrong; it means you need a technical survey to determine the actual area.
One last field trick can be used to check if a corner is truly a right angle: measure three meters on one side, four meters on the other, and check if the diagonal between the two marks is five meters. If it is, the angle is a right angle. This proportion has been known for millennia and still works with a cheap tape measure.
The errors that most ruin the measurement.
It's important to recognize typical flaws before they become a problem:
- Open polygon: Stop recording before returning to the starting point. The app closes the image on its own, in a straight line, and either swallows or invents an entire track.
- Battery saver enabled: The system reduces the frequency of position readings, and the track becomes square, with corners that don't exist.
- Cover with magnet or magnetic ring: It doesn't affect the position, but it messes up the compass and confuses the map orientation on the screen.
- Overheated appliance: In bright sunlight, the phone's performance is reduced and the refresh rate drops precisely during walking.
- Presumed currency: To assume that the fence is the legal boundary. A fence is where someone has planted a post, and it doesn't always coincide with the registered boundary.
- Mixture of units: Measuring in hectares, negotiating in alqueires (a Brazilian unit of land measurement), and pricing in square meters without converting. It's the most expensive mistake on the list.
What the free version usually hides
Measurement apps are cheap to maintain but expensive to promote, so the business model is almost always the same: the essentials work for free, and the inconvenience is sold.
In practice, what usually comes after the payment is the export of the file for use in another program, cloud storage, removal of the watermark from the images, the number of measurements saved, and the absence of full-screen ads. None of these items makes the satellite reading more accurate—you're buying convenience, not precision. Only pay if your workflow depends on it.
There's also a cost that doesn't appear on the bill. Many of these programs request background location tracking, allowing them to track your movements even with the app closed, and sell targeted advertising by region. If the goal is to measure a plot of land occasionally, grant permission only while the app is open and revoke it afterward. The measurement will still be accurate.
Common questions
Can I measure it without leaving home?
You can do it by marking the vertices on the aerial image — as long as the boundary appears in the photo. Remember that this is an archival image, not a view from today.
Do I need to walk the entire perimeter?
No. Marking only the corners usually yields better results than recording each step individually, because it reduces noise between vertices.
Will the result be useful for selling the land?
It's for conversation, not for formal documentation. In negotiations, the number that matters is the registration number; any formal alteration of the area depends on a survey conducted by a qualified professional.
Why does the area change slightly each time I measure it?
Because the position calculated by satellite varies within a range of a few meters. This variation is normal and is the reason for measuring twice and working with the average.
Is it possible to measure a plot of land with many trees?
It's possible, but with more errors: the canopy blocks part of the sky. In these cases, it's better to mark the corners in open areas and, if possible, measure during a time of short shadows.
Is there any free measurement that goes down to centimeters?
Not by phone alone. Centimeter-level precision requires a receiver with real-time correction, which is surveying equipment. Any app that promises that is exaggerating.
Conclusion
In conclusion, apps for measuring free areas and land are essential tools for anyone who needs accurate and practical measurements. With the variety of options available, you can find the app that best suits your specific needs. Whether you are a professional or someone who needs to measure areas out of curiosity, these apps offer a reliable and easy-to-use solution.
So, take advantage of the tips in this article and choose the ideal app for your measurements. Don't forget to explore all the additional features and thus make the most of the available technology.
