You can use both metric and imperial units if you want to and it comes with a measuring tape function as well. It uses a real ruler for calibration so it’s almost completely accurate once ...

Recently, she created a measuring manual for teachers to use with the ruler. She’s working on a metric version of the ruler. Monck said she has orders from about 30 schools and has sent samples ...

The Re-ruler measuring tool is constructed from anodized ... The Re-ruler has both mm and inches measurements laser engraved on its edges and provide an end which starts at zero making it easy ...

The person measuring can align the ruler’s 0 mm mark with the center of one pupil and then measure to the other pupil’s center. To calculate a dual PD, people need to measure from one pupil to ...

Besides having both metric and imperial markings on the ... The inner section also comes into play for the ruler's caliper measurement function. You just slide it out to the width of the item ...

This measurement can be made either with the steel ruler or with the magnifier ... It is good enough to make this measurement to the nearest 0.005 inches or 0.1 mm. Then divide the measured span of ...

All it takes to put the virtual ruler to use is point your camera, select your desired starting point and pull your phone away from it. AR Measure ... to be off by a few millimeters; but it ...

Pupillary distance is the space — measured in millimeters (mm ... a ruler and a mirror or helper, you can measure your PD at home. Get a ruler. Some websites offer printable rulers, too.