• Celsius
• Fahrenheit
• Kelvin

The Celsius scale is used in Physics and every other country of the world accept the United States.

The Fahrenheit scale is used primarily in the united states.

The Kelvin scale is primarily used in Science.

To convert from one scale to another is pretty simple. To convert Fahrenheit temperatures to Celsius, use the following equation:

To convert Celsius to Fahrenheit, use this equation:

For the Kelvin scale conversions, Celsius to Kelvin and Kelvin to Celsius is possible. You cannot convert Fahrenheit to Kelvin directly. To convert Celsius to Kelvin:

K = Celsius +273

To convert Kelvin to Celsius:

C = Kelvin - 273

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