
It can calculate areas and it’s great for measuring smaller items. Not to be confused with the first Ruler app we mentioned, this Ruler offers accurate measurements and effortless unit conversion.
Google ruler tool accuracy how to#
How to use your Android phone as a measuring device In the early days of the iPhone, spirit level apps were very exciting. Check the levelĪs you’ve probably guessed, tapping the Level icon will turn the Measure into a surprisingly accurate spirit level. Tap the icon at the top left of the display (it’ll be in a different corner if you’ve rotated your phone) and you can copy the measurement for use in other apps such as your Notes app. That’s fine for most things but not for anything where 100% accuracy is essential.



As you can see it’s very accurate but slightly out: we’re getting accuracy of around 95%. There’s an easy way to see how accurate Measure, or any other measuring app, is: use it to measure a measuring tool such as this standard measuring tape.
