Convert Watt per millimetre kelvin to Kilowatt per metre kelvin

Convert Watt per millimetre kelvin (W/(mm·K)) to Kilowatt per metre kelvin (kW/(m·K)) instantly and accurately.

Watt per millimetre kelvin (W/(mm·K))
Kilowatt per metre kelvin (kW/(m·K))

Conversion Formula

kW/(m·K) = W/(mm·K) × 1

About Watt per millimetre kelvin

The watt per millimetre kelvin (W/(mm·K)) equals exactly 1000 W/(m·K) since 1 mm = 10⁻³ m. Used in microelectronics thermal engineering where components are millimetre-scale: copper ≈0.385, silicon ≈0.148 W/(mm·K). Thermal interface material datasheets for high-performance pads and solder joints commonly use this unit. 1 W/(mm·K) = 1000 W/(m·K) = 10 W/(cm·K).

About Kilowatt per metre kelvin

The kilowatt per metre kelvin (kW/(m·K)) equals exactly 1000 W/(m·K). Used for exceptionally conductive materials: type IIa diamond ≈2.2 kW/(m·K), isotopically pure ²⁸Si ≈1.0 kW/(m·K), single-crystal graphene > 5 kW/(m·K) at room temperature. Convenient for comparing advanced thermal management and heat spreader materials. 1 kW/(m·K) = 1000 W/(m·K).

Quick Reference Table

Watt per millimetre kelvin (W/(mm·K))Kilowatt per metre kelvin (kW/(m·K))
1 W/(mm·K)1 kW/(m·K)
2 W/(mm·K)2 kW/(m·K)
5 W/(mm·K)5 kW/(m·K)
10 W/(mm·K)10 kW/(m·K)
25 W/(mm·K)25 kW/(m·K)
50 W/(mm·K)50 kW/(m·K)
100 W/(mm·K)100 kW/(m·K)

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