R.3 Units and prefixes


Table of Contents - 1 2 3 4 5 6 7 8 9 R S ¬ ­ ®


Prefixes: a c d da f G h k m m M n p P T X
MKS Units: A C F H Hz J K kg m N P s S T V W Wb W
non-MKS Units: eV moles/liter


Prefixes

atto

(a)

10-18

femto

(f)

10-15

pico

(p)

10-12

nano

(n)

10-9

micro

(m)

10-6

milli

(m)

10-3

centi

(c)

10-2

deci

(d)

10-1

deka

(da)

101

hecto

(h)

102

kilo

(k)

103

mega

(M)

106

giga

(G)

109

tera

(T)

1012

peta

(P)

1015

exa

(X)

1018


MKS Units

Ampere (Unit of current) = fundamental MKSA unit

Coulomb (Unit of charge) = Ampere second

Farad (Unit of capacitance) = Coulomb Volt-1 = Joule Volt-2

Henry (Unit of inductance) = Weber Ampere-1 = Tesla meter2 Ampere-1

Joule (Unit of energy) = Newton meter = kilogram meter2 second-2

Kelvin (Unit of temperature) = fundamental MKSA unit

kilogram (Unit of mass) = fundamental MKSA unit

meter (Unit of length) = fundamental MKSA unit

Newton (Unit of force) = kilogram meter second-2

Ohm (Unit of resistance) = Volt Ampere-1 = Volt2 Joule-1 second-1

Pascal (Unit of pressure) = Newton meter-2

second (Unit of time) = fundamental MKSA unit

Siemens (Unit of conductance) = Ampere Volt-1 = Joule second Volt-2

Tesla (Unit of magnetic field) = Newton Ampere-1 meter-1 = Joule Ampere-1 meter-2 = Volt second meter-2

Volt (Unit of potential) = Joule coulomb-1

Watt (Unit of power) = Ampere Volt = Joule second-1

Weber (Unit of magnetic flux) = Tesla meter2 = Volt second


non-MKS Units

Electron Volt (Unit of energy) = 1.602 x 10-19 Joule
moles/liter (Unit of concentration) = 6.022 x 1020 cm-3


© Bart J. Van Zeghbroeck, 1997