The pupillary distance (PD) measurement is a requirement for people who want to purchase eyeglasses. Here, find out how to measure your PD using a mirror and a ruler. Share on Pinterest Some eyewear ...

Measure length using a ruler marked with halves and quarters of an inch with Ms. Askew. Join Ms. Askew for a fun Fraction Number Talk. We'll measure length using a ruler marked with halves and ...

Pupillary distance helps center your eyeglasses prescription. Your eyeglasses provider normally measures it for you, but you won’t find it on your prescription. If you order glasses online, you’ll ...

Changing the ruler’s 0 origin means changing the position where the starting point (0) for measurement on the ruler is. The default zero position of the ruler is usually at the left edge of the ...

Your smartphone can not only serve you as a digital ruler, but it can also help you measure various other things. Smartphones are very powerful tools, especially if you pair them up with good apps. In ...

US-based innovators HOZO Design C.O. have launched an Indiegogo campaign for the “first compact digital rolling ruler.” The “ROLLOVA” seeks to replace traditional measuring tapes with a compact gadget ...

An upcoming feature for PowerToys can measure the distance between objects on a screen. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Microsoft ...

We've gotten less snow in the Hudson Valley in recent years, but when it does snow, every time it snows, the question swirls before the flakes stop falling: "How much did we get?" Believe it or not, ...