List of all other metric converter links: metric conversion calculator
Celsius to Fahrenheit:
To convert from Celsius to Fahrenheit you must multiply by 1.8 and then add 32. For a weather temperature you can make a rough estimate in your head by doubling the Celsius value and adding 30.
Fahrenheit to Celsius:
For Fahrenheit to Celsius conversion you first subtract 32 and then divide by 1.8. To do a rough estimate in your head for weather temperatures subtract 30 and take half the result.
Kelvin:
To convert to Kelvin, take the Celsius value and add 273.15.
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