Curie Temperature Estimator

Look up approximate Curie temperatures for common magnetic materials and compare the results in Celsius, Kelvin, and Fahrenheit.

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How This Tool Works

The Curie Temperature Estimator is a reference lookup for common magnetic materials. Select a material and the tool displays its approximate transition temperature in Celsius, Kelvin, and Fahrenheit.

Kelvin is calculated by adding 273.15 to the Celsius value, and Fahrenheit is calculated with the standard temperature conversion formula.

  • Input: Material selection.
  • Output: Approximate Curie temperature in C, K, and F.
  • Use: Quick comparison of common ferromagnetic and ferrimagnetic material reference values.

Why This Matters

A material's Curie temperature marks the point where thermal energy disrupts long-range magnetic ordering. Above this temperature, many ferromagnetic materials become paramagnetic and no longer retain permanent magnetization.

Use these values for planning and education, then check a material datasheet for exact alloy, composition, processing history, and measurement conditions before making engineering decisions.

Common Mistakes to Avoid

  • Do not treat every alloy as the pure element: composition and heat treatment can shift the transition temperature.
  • Watch the transition type: some listed materials use related magnetic ordering temperatures, such as a Neel temperature for antiferromagnetic materials.
  • Use the right unit: Celsius, Kelvin, and Fahrenheit are shown together so datasheets and lab notes can be compared directly.

Frequently Asked Questions

Common questions about the Curie Temperature Estimator

Magnetic field strength is measured in Tesla (SI) or Gauss (CGS). 1 Tesla = 10,000 Gauss. Earth magnetic field is about 50 microtesla.
Learn More

Sources & References

International System of Units (SI): magnetic flux and flux density

Magnetic flux and flux density is measured in the weber (Wb) and tesla (T). Conversions between SI and other units use exact, internationally agreed factors maintained by NIST.
→Source: NIST — International System of Units (SI)

International System of Units (SI)

Authoritative definitions for magnetic flux and flux density, from the BIPM SI Brochure (9th edition), the defining reference for the SI.
→Source: BIPM — SI Brochure (9th ed.)

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