Convert Millimetres per metre per kelvin to Per degree Celsius

Convert Millimetres per metre per kelvin (mm/(m·K)) to Per degree Celsius (1/°C) instantly and accurately.

Millimetres per metre per kelvin (mm/(m·K))
Per degree Celsius (1/°C)

Conversion Formula

1/°C = mm/(m·K) × 0.001

About Millimetres per metre per kelvin

The mm/(m·K) equals exactly 10⁻³ /K = 1000 ppm/K and is used in structural and civil engineering for bridge girder and pipeline thermal-expansion calculations. Steel at 0.012 mm/(m·K) expands 12 mm per 100 m track per 10 K rise. Polymers: 0.07-0.20 mm/(m·K). 1 mm/(m·K) = 10⁻³ /K = 1000 ppm/K.

About Per degree Celsius

The per degree Celsius (1/°C = °C⁻¹) equals exactly 1/K since temperature intervals 1 °C = 1 K (exact). Common in European and ISO standards, chemistry textbooks, and physics literature as an alternative notation for the SI unit 1/K. A material with α = 12 × 10⁻⁶ /K is identically expressed as 12 × 10⁻⁶ /°C. 1 /°C = 1 /K = 10⁶ ppm/K.

Quick Reference Table

Millimetres per metre per kelvin (mm/(m·K))Per degree Celsius (1/°C)
1 mm/(m·K)0.001 1/°C
2 mm/(m·K)0.002 1/°C
5 mm/(m·K)0.005 1/°C
10 mm/(m·K)0.01 1/°C
25 mm/(m·K)0.025 1/°C
50 mm/(m·K)0.05 1/°C
100 mm/(m·K)0.1 1/°C

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