Convert Watt per millimetre kelvin to Milliwatt per metre kelvin

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

Watt per millimetre kelvin (W/(mm·K))
Milliwatt per metre kelvin (mW/(m·K))

Conversion Formula

mW/(m·K) = W/(mm·K) × 1000000

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 Milliwatt per metre kelvin

The milliwatt per metre kelvin (mW/(m·K)) equals exactly 10⁻³ W/(m·K). Used for gases and ultra-low thermal conductivity solids: still air ≈26 mW/(m·K), CO₂ ≈16 mW/(m·K), aerogels 12-20 mW/(m·K), vacuum insulation panels ≈5 mW/(m·K). Standard insulation products are typically specified in mW/(m·K). 1 mW/(m·K) = 10⁻³ W/(m·K) = 0.1 mW/(cm·K).

Quick Reference Table

Watt per millimetre kelvin (W/(mm·K))Milliwatt per metre kelvin (mW/(m·K))
1 W/(mm·K)1000000 mW/(m·K)
2 W/(mm·K)2000000 mW/(m·K)
5 W/(mm·K)5000000 mW/(m·K)
10 W/(mm·K)10000000 mW/(m·K)
25 W/(mm·K)25000000 mW/(m·K)
50 W/(mm·K)50000000 mW/(m·K)
100 W/(mm·K)100000000 mW/(m·K)

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