8 units · base unit W/(m·K) · M L T⁻³ Θ⁻¹

Thermal conductivity converter

Convert W/(m·K), BTU/(h·ft·°F), kcal/(h·m·°C) and insulation k-values.

1000mW/(m·K)
✓ Exact 1 W/(m·K) = 1000 mW/(m·K)
1 W/(m·K) = 1000 mW/(m·K)

Common thermal conductivity conversions

All thermal conductivity units

Each unit expressed in watt per meter kelvins (W/(m·K)), the unit everything in this category converts through.

Unit Symbol System Value in W/(m·K)
Watt per meter kelvin W/(m·K) SI 1
Kilowatt per meter kelvin kW/(m·K) SI 1000
Milliwatt per meter kelvin mW/(m·K) SI 0.001
Watt per centimeter kelvin W/(cm·K) cgs 100
Calorie per second centimeter °C cal/(s·cm·°C) cgs 418.4
Kilocalorie per hour meter °C kcal/(h·m·°C) metric 1.16222222222
BTU per hour foot °F BTU/(h·ft·°F) imperial 1.73073466637
BTU inch per hour ft² °F BTU·in/(h·ft²·°F) imperial 0.144227888864

About thermal conductivity units

Convert W/(m·K), BTU/(h·ft·°F), kcal/(h·m·°C) and insulation k-values.

Dimensional formula: M L T⁻³ Θ⁻¹. Every conversion on this page goes through the watt per meter kelvin, using exact fractions rather than decimal approximations. Read how that works →