Temperature Converter

Result:

From:

To:

Supported units

Convert between Celsius (°C), Fahrenheit (°F), Kelvin (K), Rankine (°R), Réaumur (°Ré), Delisle (°De), Newton (°N), Römer (°Rø), and Planck temperature units. Proper offset and scale are applied for every conversion.

Popular pairs

Celsius ↔ Fahrenheit
Celsius ↔ Kelvin
Fahrenheit ↔ Kelvin
Celsius ↔ Rankine

How to use

Pick your from/to units using the search boxes, enter a value, and the result updates instantly. Use the copy button to grab the output.

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Temperature Converter FAQ

Are the conversions exact?

Yes. We apply the exact affine formulas for temperature, including offsets (e.g., °C ↔ °F: (°C × 9/5) + 32; °C ↔ K: °C + 273.15).

Can I convert Celsius to Fahrenheit and Kelvin?

Enter your value, select Celsius as the from unit, and choose Fahrenheit or Kelvin as the to unit. Results update instantly as you type.

Does this handle very low temperatures?

Yes. Conversions support values down to absolute zero using high-precision Decimal arithmetic.