For objects larger that your iPhone, use your iPad, it’s a universal app! All kidding aside, when measuring objects longer than your iPhone’s screen, swipe the ruler to the left to extend it one ...

Once the scale of the map is known, it is possible to measure the distance between two points. The easiest way to do this is to measure the straight-line distance using a ruler, then convert it ...

To position a ruler accurately, place the point that says 0 at the start of the line you are measuring. With the ruler placed carefully on the line, measure the centimetres first, then the ...