Convert Milliwatt per metre kelvin to Watt per millimetre kelvin

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

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

Conversion Formula

W/(mm·K) = mW/(m·K) × 1.000000000e-6

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).

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).

Quick Reference Table

Milliwatt per metre kelvin (mW/(m·K))Watt per millimetre kelvin (W/(mm·K))
1 mW/(m·K)1 × 10-6 W/(mm·K)
2 mW/(m·K)2 × 10-6 W/(mm·K)
5 mW/(m·K)5 × 10-6 W/(mm·K)
10 mW/(m·K)1 × 10-5 W/(mm·K)
25 mW/(m·K)2.5 × 10-5 W/(mm·K)
50 mW/(m·K)5 × 10-5 W/(mm·K)
100 mW/(m·K)1 × 10-4 W/(mm·K)

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