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Economist Style Guide - Redress Information & Analysis

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part 3: useful reference<br />

centi c 10 –2 = 0.01 hundredth<br />

deci d 10 –1 = 0.1 tenth<br />

deca daa 101 = 10<br />

(or<br />

deka)<br />

ten<br />

hecto h 102 = 100 hundred<br />

kilo k 103 = 1,000 thousand<br />

myria my 104 = 10,000 ten thousand<br />

mega M 106 = 1,000,000 million<br />

giga G 109 = 1,000,000,000 thousand million;<br />

billion<br />

tera T 1012 = 1,000,000,000,000 million million;<br />

trillion<br />

peta P 1015 = 1,000,000,000,000,000<br />

exa E 1018 = 1,000,000,000,000,000,000<br />

a Sometimes dk is used (eg, in Germany).<br />

Units with different equivalents<br />

Pound<br />

UK, US avoirdupois pound (lb) = 0.454kg<br />

US: troy lb = 0.373kg<br />

= 0.823lb (avoirdupois)<br />

Spanish (libra) = 0.460kg<br />

= 1.014lb (avoirdupois)<br />

“Amsterdam” = 0.494kg<br />

= 1.089lb (avoirdupois)<br />

Danish (pund) = 0.5kg<br />

= 1.102lb (avoirdupois)<br />

Française (livre) = 0.490kg<br />

= 1.079lb (avoirdupois)<br />

Ton<br />

202<br />

UK: weight (mass) = 2,240lb<br />

= 1.016 tonnes<br />

shipping: register = 100 cu. ft<br />

= 2.832 cu. m<br />

US: short = 2,000lb<br />

= 0.907 tonne<br />

US: long = 2,240lb<br />

= 1.016 tonnes<br />

metric ton (tonne) = 1,000kg<br />

= 2,204.62lb

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