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Trusted unit conversions based on SI and NIST scientific standards

Thermal Expansion Converter

Convert thermal expansion measurements.

Popular Thermal Expansion Conversions

1/K to 1/°C1/K to 1/°F

Complete List of Thermal Expansion Units for Conversion

1 Per Celsius [1/°C] = 1.00000 Per Kelvin [1/K]

Per Celsius to Per Kelvin, Per Kelvin to Per Celsius

1 Per Fahrenheit [1/°F] = 1.80000 Per Kelvin [1/K]

Per Fahrenheit to Per Kelvin, Per Kelvin to Per Fahrenheit

1 Per Rankine [1/°R] = 1.80000 Per Kelvin [1/K]

Per Rankine to Per Kelvin, Per Kelvin to Per Rankine

1 Parts per Million per Kelvin [ppm/K] = 0.00000100000 Per Kelvin [1/K]

Parts per Million per Kelvin to Per Kelvin, Per Kelvin to Parts per Million per Kelvin

1 Parts per Million per Celsius [ppm/°C] = 0.00000100000 Per Kelvin [1/K]

Parts per Million per Celsius to Per Kelvin, Per Kelvin to Parts per Million per Celsius

1 Parts per Million per Fahrenheit [ppm/°F] = 0.00000180000 Per Kelvin [1/K]

Parts per Million per Fahrenheit to Per Kelvin, Per Kelvin to Parts per Million per Fahrenheit

1 Percent per Kelvin [%/K] = 0.0100000 Per Kelvin [1/K]

Percent per Kelvin to Per Kelvin, Per Kelvin to Percent per Kelvin

How this thermal expansion converter works

Per Kelvin (1/K) is used as the internal base unit. Every value you enter is first converted to Per Kelvin using exact SI factors, then translated to the requested unit with the same data pulled from the SI Brochure and NIST SP 811.

Key thermal expansion relationships

  • 1 Per Celsius = 1 Per Kelvin
  • 1 Per Fahrenheit = 1.8 Per Kelvin
  • 1 Per Rankine = 1.8 Per Kelvin
  • 1 Parts per Million per Kelvin = 1.0000e-6 Per Kelvin
  • 1 Parts per Million per Celsius = 1.0000e-6 Per Kelvin

Where thermal expansion units are used

Thermal engineers, HVAC professionals, and chemists rely on accurate heat and thermodynamics conversions to balance energy budgets and ensure safe operating conditions. The thermal expansion converter covers real-world units such as Per Kelvin and Per Celsius, giving teams a trusted reference when cross-checking data between labs, suppliers, and regulatory filings.

Tips for accurate thermal expansion conversions

  • Always verify the unit symbol in your worksheet—this converter normalizes values through Per Kelvin, which is the SI reference for thermal expansion measurements.
  • When jumping between Per Kelvin and Per Celsius, watch metric prefixes and rounding. A misplaced milli-, micro-, or kilo- prefix can produce errors of several orders of magnitude.
  • Document the context (test conditions, instrument resolution, uncertainty) whenever you publish thermal expansion conversions so coworkers and auditors can reproduce your results.
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