Pupillary distance is the space — measured in millimeters (mm) — from the center of one pupil to another. When you need glasses, an optometrist or an optician will measure this distance to make sure ...

Anderson is a journalist, author and speaker. She spent 20 years covering finance including 10 at the New York Times before shifting her focus to learning. She is currently working on a book about the ...

You've no doubt encountered a number of measuring tools in your lifetime. Common tools used for measuring range from the familiar 12-inch wooden ruler that we used in grade school to precision ...

You would be wise to learn how to measure your ring size before purchasing your next piece of eye candy. Whether shopping in person or online, fine jewelry is usually a pretty major purchase—and you’d ...