Complex derived SI units

Examples of SI coherent derived units whose names and symbols include SI coherent derived units with special names and symbols.

Derived Quantity Name Symbol Expressed in terms of SI base units
dynamic viscosity pascal second Pa s m–1 kg s–1
moment of force newton metre N m m2 kg s–2
surface tension newton per metre N/m kg s–2
angular velocity radian per second rad/s m m–1 s–1 = s–1
angular acceleration radian per second squared rad/s2 m m–1 s–2 = s–2
heat flux density,
watt per square metre W/m2 kg s–3
heat capacity, entropy joule per kelvin J/K m2 kg s–2 K–1
specific heat capacity,
specific entropy
joule per kilogram kelvin J/(kg K) m2 s–2 K–1
specific energy joule per kilogram J/kg m2 s–2
thermal conductivity watt per metre kelvin W/(m K) m kg s–3 K–1
energy density joule per cubic metre J/m3 m–1 kg s–2
electric field strength volt per metre V/m m kg s–3 A–1
electric charge density coulomb per cubic metre C/m3 m–3 s A
surface charge density coulomb per square metre C/m2 m–2 s A
electric flux density,
electric displacement
coulomb per square metre C/m2 m–2 s A
permitivity farad per metre F/m m–3 kg–1 s4 A2
permeability henry per metre H/m m kg s–2 A–2
molar energy joule per mole J/mol m2 kg s–2 mol–1
molar entropy,
molar heat capacity
joule per mole kelvin J/(mol K) m2 kg s–2 K–1 mol–1
exposure (x- and γ rays) coulomb per kilogram C/kg kg–1 s A
absorbed dose rate gray per second Gy/s m2 s–3
radiant intensity watt per steradian W/sr m4 m–2 kg s–3 = m2 kg s–3
radiance watt per square metre steradian W/(m2 sr) m2 m–2 kg s–3 = kg s–3
catalytic activity
katal per cubic metre kat/m3 m–3 s–1 mol