![]() In those types of moments, users can quickly install any one of these apps and start taking measurements. These apps especially come in handy when people misplace their physical ruler when required. Using these apps, users can convert their Android devices into a ruler. Once the two circles line up and 0 is read in the middle, the interface goes from black and white to green.Here is a list of best free on screen ruler app for Android. Switch to the level by selecting the Level tab along the bottom of the screen, and then place your phone on the surface you want to level. It's the same level that's been present in the Compass app for the past few years. Oh, there's also a levelīefore I forget, there's also a level in the new Measure app. (You can change between Imperial or Metric as the default by opening the iOS Settings app and finding Measure.)Ĭopy a measurement with a tap on the label, followed by Copy on the popup. So I moved to about a foot away from the door and remeasured, and that result was 35.5 inches. The app came back with 32.5 inches, for a door that's 36 inches wide. Trying to measure how wide my office door is, for example, I started by standing about 5 feet away from it and marking my points to measure. ![]() I found the closer I held the phone to the start and end points, the more accurate the app became. In my testing, I found the app to be anywhere from a few inches off in a measurement, to a more consistent half-inch off. It's more of a tool to get a fairly accurate idea of how big or small something is. ![]() Note that the Measure app is in no way meant to be accurate enough to use for making cuts on a piece of wood or important decisions based on size. Instead, just use your finger to drag the dot to the right spot. If you measure something and didn't quite get the start or end point in the right spot, don't start all over. Just measure each side of the object, and then let the app do its magic. If the app doesn't autorecognize the full perimeter of an object, you can still use it for square footage estimates. When it does happen, a simple tap on the measure button will instantly calculate the length of each segment, as well as display the square footage in the middle. I haven't quite figured out the right conditions to trigger the app autorecognizing four corners of an object and highlighting it in yellow (seen above), but when it happens it's pretty cool. Tap on the shutter button at the bottom right if you want to take a photo of the measurement. You can repeat this process as many times as you want. If you mess up, there's an undo button at the top of the screen, as well as a Clear button.Ĭontinue measuring another side by lining up the white dot, again, and pressing the measure button. Once there, press the measure button again. You'll find that often when the app has identified an object, the dot will "snap" to a corner as you get near it.Īfter pressing the measure button, move slowly to where you want the measurement to end. Line the white dot up with a corner on the item you want to measure then press the white button with the + sign in the middle of it. Hold your phone so the camera is pointing at the object you want to measure and move the phone around until you see a white circle with a dot in the middle. Every time you open the app, it will ask you to move your phone around so it can analyze the area you intend to measure.
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