Physical QuantitySI UnitSymbol
Lengthmeterm
Massgramg
Moleculesmolemol
VolumeliterL
EnergyjouleJ
Energycaloriecal
Electric potentialvoltV
Timeseconds
TemperatureKelvinK
TemperatureCelciusC

PrefixSymbolMultiplication Factor
giga-G10+9
mega-M10+6
kilo-k10+3
deci-d10–1
centi-c10–2
milli-m10–3
micro-µ10–6
nano-n10–9
pico-p10–12
femto-f10–15