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Page 847

Appendix T
Conversion Tables

These conversion factors are from the Oak Ridge National Laboratory's (1990) glossary entitled "Carbon Dioxide and Climate."

International System of Units (SI): Prefixes

Prefix

SI Symbol

Multiplication Factor

exa

E

1018

peta

P

1015

tera

T

1012

giga

G

109

mega

M

106

kilo

k

103

hecto

h

102

deka

da

10

deci

d

10-1

centi

c

10-2

milli

m

10-3

micro

m

10-6

nano

n

10-9

pico

p

10-12

femto

f

10-15

atto

a

10-18



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OCR for page 847
Page 847 Appendix T Conversion Tables These conversion factors are from the Oak Ridge National Laboratory's (1990) glossary entitled "Carbon Dioxide and Climate." International System of Units (SI): Prefixes Prefix SI Symbol Multiplication Factor exa E 1018 peta P 1015 tera T 1012 giga G 109 mega M 106 kilo k 103 hecto h 102 deka da 10 deci d 10-1 centi c 10-2 milli m 10-3 micro m 10-6 nano n 10-9 pico p 10-12 femto f 10-15 atto a 10-18

OCR for page 847
Page 848 Common Conversion Factors Area-length-volume   1 acre = 43,560 ft2 = 4,047 m2   1 acre-foot = 1.2335 × 103 m3   1 cubic foot (ft3) = 0.0283 m3   1 hectare (ha) = 10,000 m2 = 2.47 acres   1 square mile (sq mi) = 2.59 × 106 m2 Pressure   1 atmosphere = 76.0 cm Hg = 1,013 millibars (mbar)   1 bar = 0.9869 atmosphere   1 pascal (Pa) = 0.9869 × 10-5 atmosphere = 1 × 10-2 mbar = 10 mbar = 1.4504 × 10-4 pounds per square inch (psi) Carbon and Carbon dioxide   1 mole C/liter = 12.011 × 10-3 Gt C/km3   1 ppm by volume of atmosphere CO2 = 2.13 Gt C   1 mole CO2 = 44.009 g CO2 = 12.011 g C   1 g C = 0.083 mole CO2 = 3.664 g CO2 Energy   1 quad = 1055 × 1015 joules   1 kcal = 4184 joules   1 mtce = 29.29 × 109 joules   1 boe = 6119 × 106 joules   1 mtoe = 44.76 × 109 joules   1 m3 gas = 37.26 × 106 joules   1 TWyr = 31.54 × 1018 joules