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Star Republic: Guide for Biologists

Units

See BioToolKit for more convesions between units.

femto = 1/1,000,000,000,000,000
pico = 1/1,000,000,000,000
nano = 1/1,000,000,000
micro = 1/1,000,000
centimilli = 1/100,000
decimilli = 1/10,000
milli = 1/1,000
centi = 1/100
deci = 1/10
deca = 10
hecto = 100
kilo = 1,000
mega (million) = 1,000,000
giga (billion) = 1,000,000,000
tera (trillion) = 1,000,000,000,000

Energy

1 calorie = 4.19 joule

Length

1 mile = 1609 meter
1 inch = 2.54 cm
1 foot = 12 inch
1 namometer = 1.0E-9 meter
1 Å = 1.0E-10 meter

Radioactivity

1 microcurie = 2.2E6 disintegrations per minute (dpm)

Temperature

0 C (Celsius) = 32 F (Fahrenheit) = 273.15 K (Kelvin)
100 C = 212 F = 373.15 K
37 C = 98.6 F = 310.15 K

Concentration

1 Molar = 1 mole / liter
1 mole = 6.022 x 1023 molecules