see International Convention for the Regulation of Whaling
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Appendix E: Weights and Measures
Mathematical Notation
Mathematical Power Name
10^18 or 1,000,000,000,000,000,000 one quintillion 10^15 or 1,000,000,000,000,000 one quadrillion 10^12 or 1,000,000,000,000 one trillion 10^9 or 1,000,000,000 one billion 10^6 or 1,000,000 one million 10^3 or 1,000 one thousand 10^2 or 100 one hundred 10^1 or 10 ten 10^0 or 1 one 10^-1 or 0.1 one tenth 10^-2 or 0.01 one hundredth 10^-3 or 0.001 one thousandth 10^-6 or 0.000 001 one millionth 10^-9 or 0.000 000 001 one billionth 10^-12 or 0.000 000 000 001 one trillionth 10^-15 or 0.000 000 000 000 001 one quadrillionth 10^-18 or 0.000 000 000 000 000 001 one quintillionth
Metric Interrelationships
Prefix Symbol Length, weight, or capacity Area Volume
exa E 1018 1036 1054 peta P 1015 1030 1045 tera T 1012 1024 1036 giga G 109 1018 1027 mega M 106 1012 1018 hectokilo hk 105 1010 1015 myria ma 104 108 1012 kilo k 103 106 109 hecto h 102 104 106 basic unit — 1 meter, 1 gram, 1 liter 1 meter2 1 meter3 deci d 10-1 10-2 10-3 centi c 10-2 10-4 10-6 milli m 10-3 10-6 10-9 decimilli dm 10-4 10-8 10-12 centimilli cm 10-5 10-10 10-15 micro u 10-6 10-12 10-18 nano n 10-9 10-18 10-27 pico p 10-12 10-24 10-36 femto f 10-15 10-30 10-45 atto a 10-18 10-36 10-54
Conversion Factors