ℹ️ Centigrade to Celsius
Clarifies that Centigrade (°C) and Celsius (°C) are identical.
A quick reference for students, writers, and travelers encountering both terms.
There is no calculation required—Centigrade and Celsius both denote the same temperature scale where water freezes at 0° and boils at 100° under standard atmospheric pressure.
The term “Celsius” was adopted by the International System of Units (SI) in 1948 to honor Swedish astronomer Anders Celsius. “Centigrade” (meaning “hundred steps”) was the earlier name, but it conflicted with other centigrade scales used in surveying and angles.
How to Use This Calculator
Use either term interchangeably
When someone says 25° Centigrade, they mean 25° Celsius.
Prefer the modern name in formal writing
Standards, scientific papers, and modern textbooks use “degrees Celsius (°C)”.
Convert to other scales if needed
Use the Celsius converter to view Fahrenheit, Kelvin, or Rankine equivalents.
Formula
Centigrade (°C) = Celsius (°C)
No arithmetic necessary—only the terminology differs.
Use the formula breakdown to confirm the calculation logic or perform the conversion manually if needed.
Full Description
The Celsius scale is part of the SI system. “Centigrade” was the historical term from 1743 until its formal replacement in 1948. Some regions and older publications still use “Centigrade,” but the numbers mean exactly the same thing.
If you see a recipe, weather report, or engineering document referencing Centigrade, interpret it exactly as Celsius. There is no unit conversion required.
Frequently Asked Questions
Do I need to change the number when converting Centigrade to Celsius?
No. 20° Centigrade is 20° Celsius.
Why did the name change?
The SI adopted “Celsius” to honor Anders Celsius and avoid confusion with other centigrade measurements.
Is Centigrade still correct?
It’s understood but considered obsolete. Use Celsius in modern scientific and technical contexts.
How do I convert Celsius to Fahrenheit or Kelvin?
Use the Celsius or Celsius-to-Fahrenheit calculators provided in this toolset.
Frequently Asked Questions
What does the Centigrade to Celsius Converter do?
Convert centigrade to celsius instantly with this free online converter. Useful for conversion tasks. Accurate results in your browser. No signup required. Enter your values above to see results instantly in your browser. This page is part of Try To Calculator's free online calculator collection.
Is the Centigrade to Celsius Converter free?
Yes. Try To Calculator tools are free to use and do not require an account for this page.
Are my inputs sent to your servers?
No. Calculations run locally in your browser; we do not collect the numbers you type or the results shown.
Is the Centigrade to Celsius Converter a substitute for professional advice?
This tool is for education and quick estimates. For medical, legal, tax, or financial decisions, confirm results with a qualified professional.
Where can I find related calculators?
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