MEASUREMENT & METHODS

Watts per centimeter kelvin (W/(cm·K)): thermal conductivity unit guide

Understand watts per centimeter kelvin (W/(cm·K)) for thermal conductivity. Check base-unit equivalents, examples, comparison tables and source conventions.

What is being measured?

Thermal conductivity is a material heat-transfer quantity. It does not by itself describe the thermal resistance of a particular assembly.

Temperature denominators are intervals. Conductivity depends on material and conditions.

Meaning of W/(cm·K)

Watts per centimeter kelvin uses the symbol W/(cm·K) in this library and measures thermal conductivity. Under the stated reference convention, 1 W/(cm·K) = approximately 100 W/(m·K). This equivalence changes how a known value is written. It does not increase measurement accuracy or establish whether a measurement is appropriate to a real application.

Conversion method

Multiply the value by the source factor (100), then divide by the target factor (1). The factor ratio expresses the same thermal conductivity measurement in the other unit.

Worked example

For a known value of 10 W/(cm·K), the reference conversion gives 1000 W/(m·K). Converting that result back gives approximately 10 W/(cm·K). This reverse check helps catch a reversed factor, but matching round-trip arithmetic alone does not independently verify a source definition.

Common reference values

Input (W/(cm·K))Reference equivalent (W/(m·K))
1100
5500
101000
252500
505000
10010000

Compare one W/(cm·K) with other units

Target unitEquivalent of 1 W/(cm·K)Definition guide
Watts per meter kelvin (W/(m·K))100Read definition
Milliwatts per meter kelvin (mW/(m·K))100000Read definition
Thermochemical calories per centimeter second Celsius degree (cal th/(cm·s·°C))0.239005736138Read definition

Precision and common mistakes

  • Keep the source and target quantity consistent. A matching symbol is not enough to establish a compatible definition.
  • Record the original measurement precision. Showing twelve significant digits in a table does not make a rounded input more precise.
  • Check symbol capitalization, prefixes and any regional convention in the source. Use the displayed unit definition rather than a similarly named unit.
  • Factors involving repeating fractions or π use finite numerical precision. Round the final answer to the precision justified by your input.

Use a working converter

Source and verification scope

Examples and tables are computed from the versioned unit definitions used by the linked converters. The source access dates appear below. Computandum is independent of the cited organizations; a citation does not mean that a publisher endorses this page or an actual project.

Sources

Read the calculation and sourcing methodology →