Physics Ontology

One map of physics, three ways in. Drill down on any quantity to see its units, the equations it lives in, and how its values span the universe.

QuantitiesAreas & EquationsTimeline
← Back to all quantities
kk
Thermodynamics

Thermal Conductivity

Ability of a material to conduct heat.

SI unit

watt per metre kelvin (W/(m·K))

Dimension: [ MLT−3Θ−1 ][\,M L T^{-3} \Theta^{-1}\,]

Other units

  • watt per metre kelvin (W/(m·K))

Order of magnitude

How values of thermal conductivity span the physical world (in W/(m·K), log scale).

Air
2.50 × 10-2 W/(m·K)
Water
6.00 × 10-1 W/(m·K)
Copper
4.00 × 102 W/(m·K)
Diamond
2.20 × 103 W/(m·K)
Lower limit10-2 W/(m·K)Upper limit103 W/(m·K)