Converters

Temperature Converter

Free online temperature converter to switch units between Celsius, Fahrenheit, and Kelvin instantly using standard formulas.

Temperature Converter converter

Result

Enter a value
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How does the temperature converter work?

Enter your temperature value, select the starting scale, choose the target scale, and see the converted temperature instantly.

Examples

Celsius to Fahrenheit (°C to °F)

Input
0 °C
Result
32 °F

Fahrenheit to Celsius (°F to °C)

Input
100 °F
Result
37.777778 °C

Celsius to Kelvin (°C to K)

Input
25 °C
Result
298.15 K

Fahrenheit to Kelvin (°F to K)

Input
32 °F
Result
273.15 K

Kelvin to Celsius (K to °C)

Input
300 K
Result
26.85 °C

About this converter

An online temperature converter provides a simple way to convert temperatures between Celsius, Fahrenheit, and Kelvin without manual calculations.

Calvyn's free temperature converter supports Celsius, Fahrenheit, and Kelvin for cooking, weather checks, travel, education, and scientific calculations.

Celsius is widely used around the world, Fahrenheit is commonly used in the United States, and Kelvin is the primary temperature scale used in scientific and thermodynamic applications.

Popular searches such as Celsius to Fahrenheit, Fahrenheit to Celsius, Celsius to Kelvin, and Kelvin to Celsius can be calculated instantly using standard temperature conversion formulas.

The converter uses established mathematical formulas and high-precision calculations to provide reliable temperature conversions for everyday and technical use.

Frequently asked questions

What is the formula to convert Celsius to Fahrenheit?

Multiply the Celsius temperature by 9/5 and then add 32. The formula is °F = (°C × 9/5) + 32.

What is the formula to convert Fahrenheit to Celsius?

Subtract 32 from the Fahrenheit temperature and multiply the result by 5/9. The formula is °C = (°F − 32) × 5/9.

How do you convert Celsius to Kelvin?

Add 273.15 to the Celsius temperature. The formula is K = °C + 273.15.

What is 0 degrees Celsius in Fahrenheit?

0 °C is exactly 32 °F, which is the standard freezing point of water at normal atmospheric pressure.

What is 100 degrees Celsius in Fahrenheit?

100 °C is exactly 212 °F, which is the standard boiling point of water at normal atmospheric pressure.

Can I convert Fahrenheit to Celsius on my phone?

Yes. Calvyn's temperature converter works in a mobile browser. Enter your temperature, select Fahrenheit as the starting unit and Celsius as the target unit for an instant conversion.

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