A page of the Numeropedia - the Special Encyclopedia of Numbers
The number of inches in a foot.
U.S. customary units for linear measures: 1 mile = 8 furlongs = 320 rods = 1,760 yards = 5,280 feet = 63,360 inches.
A board foot (fbm), used for lumber, is 144 cubic inches (= 12 inch×12 inch×1 inch).
The number of troy ounces in a troy pound.
Units for precious metals weight measures: 1 troy pound = 12 troy ounces = 240 pennyweights = 5760 grains = 373 g (grams).
1 pound apothecaries = 12 ounces apothecaries = 96 drams apothecaries = 288 scruples = 5760 grains.
A dozen is 12. A baker’s dozen is traditionally 13.
The time (hours) that the hour hand rotates one full cycle (revolution) on a mechanical clock or watch.
A popular volume (fluid ounces or 355 milliliters) of a soft drink can or bottle.
The 12 o’clock direction is straight ahead.
The number of points in one pica.
Point is a unit used in printing for measuring type/font size (the height of capital letters).
Pica is a unit used in printing for measuring column width: 1 inch = 6 picas = 72 points.