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 INSTANT METRIC eBook PAGE 2 TABLE of CONTENTS PAGE 3 Evolution of Archaic Measurement PAGE 4 - Inch-Pound PAGE 6 - "SI" Relates PAGE 8 The Metric System PAGE 10 - Prefixes PAGE 11 - Symbols PAGE 12 Everyday Base Units PAGE 13 - meter PAGE 15 - centimeter PAGE 17 - millimeter PAGE 19 - kilometer PAGE 21 - liter PAGE 22 - milliliter PAGE 24 - kilogram PAGE 26 - gram PAGE 28 - milligram PAGE 29 - tonne PAGE 31  Temperature PAGE 32 7 Base Units PAGE 34 HOW THE METRIC SYSTEM WORKS PAGE 35 - Summary OTHER USEFUL LINKS FREE METRIC POSTERS METRIC EXAMS! INSTANT METRIC CONVERSION TABLES United Metric States

Page 3

An Overview
EVOLUTION OF
ARCHAIC MEASUREMENT

Many years ago there was very little trade and measurement was crude and subject to confusion.
The yard was supposed to be half the span from finger-tip
to finger-tip of a King’s outstretched arms.
And the pound was the "weight of 7,000 grains of
barley chosen from the middle ear"
.
Rough and inaccurate measurement was good enough
for barter between friends and relatives but trouble arose
Relationships evolving out of haphazard methods of measurement were anything but simple.

And as merchants adopted a form of measurement that would be met with more acceptance by the general public of that era the outcome resulted in having 2 pints to the quart,
4 quarts to the gallon, 22 yards to a chain,
16 ounces to the pound
(is that ounces of nuts or ounces in a can of juice?)
12 inches to a foot
(a foot isn't anywhere close to a human foot)
3 feet in a yard, 5,280 feet in a mile,
firkens and knogenheads and on and on and on.
A pound even had five varied weights and meanings used throughout the Middle Ages and in Britain weight was measured as 14 pounds to the "stone".
An outdated and archaic method of measurement seemingly reserved for British colonies in America's past. The irony in this is that after the British were defeated in the United States the American gallon remained the outdated measurement adopted from what was known as the
"Queen Ann's Wine Gallon".

And still remains somewhat today.

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