for the Regulation of Whaling

______________________________________________________________________

@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 10^18 10^36 10^54
peta P 10^15 10^30 10^45
tera T 10^12 10^24 10^36
giga G 10^9 10^18 10^27
mega M 10^6 10^12 10^18
hectokilo hk 10^5 10^10 10^15
myria ma 10^4 10^8 10^12
kilo k 10^3 10^6 10^9
hecto h 10^2 10^4 10^6
basic unit -- 1 meter, 1 gram, 1 liter 1 meter^2 1 meter^3
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

To Convert From To Multiply By
acres ares 40.468 564 224
acres hectares 0.404 685 642 24
acres square feet 43,560
acres square kilometers 0.004 046 856 422 4
acres square meters 4,046.856 422 4
acres square miles (statute) 0.001 562 50
acres square yards 4,840
ares square meters 100
ares square yards 119.599
barrels, US beer gallons 31
barrels, US beer liters 117.347 77
barrels, US petroleum gallons (British) 34.97
barrels, US petroleum gallons (US) 42
barrels, US petroleum liters 158.987 29
barrels, US proof spirits gallons 40
barrels, US proof spirits liters 151.416 47
bushels (US) bushels (British) 0.968 9
bushels (US) cubic feet 1.244 456
bushels (US) cubic inches 2,150.42
bushels (US) cubic meters 0.035 239