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English units have the virtue of using base 2. The ideal base for mathematics is 16, because it is instantly interconvertible with base 2 and 4, and easily with base 8. Base 10 is a debacle because of the awkward prime factor "5" and the aliens are mocking us for it.
The volume units are:
Tablespoon= 4 drams = 3 teaspoons Ounce = 8 drams Jack = 2 ounces Gill = 4 ounces Cup = 8 ounces Pint = 16 ounces = 1 pound of water Quart = 2 pints Pottle = 4 pints Gallon = 8 pints Peck = 2 gallons Kenning = 4 gallons Bushel = 8 gallons Strike = 16 gallons Coomb = 32 gallons Seam = 64 gallons Barrel = 31.5 gallons Hogshead = 2 barrels Butt = 4 barrels Tun = 8 barrels = 2016 pounds of water = 914 kg = .914 metric tonsThese are equivalently units of mass, using water as the density conversion. 1 pint of volume is one pound of mass.
Inches are subdivided by powers of 2.
One box of paper has 10 reams, and each ream has 500 sheets.
Other units:
Quire = 25 sheets Ream = 20 quires = 500 sheets Bundle = 2 reams = 40 quires = 1000 sheets Bale = 10 reams = 200 quires = 5000 sheets = 1 box of paper digit = 3/4 inch finger = 7/8 inch palm = 3 inches hand = 4 inches span = 9 inches foot = 12 inches cubit = 18 inches yard = 36 inches ell = 45 inches fathom = 6 feet rod =16.5 feet Chain = 66 feet furlong = 660 feet mile =5280 feet = 320 rods knot =6086 feet league = 3 knot perch = 1 square rod square chain = 16 perches acre = 160 square rods = 1 chain X 1 furlong = 10 square chains square mile = 640 acres cord = 128 cubic feet (8x4x4) dram = 27.34 grains grain, unit = .06480 gram grain, barley = .065 gram grain, wheat = .050 gram grain, carob = .200 gram stone = 14 pounds (unit of mass) 1 pint = 1.0432 pounds of water 1 gallon = 8.345 pounds of water Short ton = 2000 pounds Long ton = 2240 pounds Metric ton = 2204.6 pounds 1 Tun volume of water = 2103 pounds drachma = 6 obols Greek drachma = 4.37 gram Roman drachma = 3.41 gram
Ideally, units should be based on Planck units, and the base should be 16.
An acre is the amount of land that can be plowed in one day by an ox.
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