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Temperatures Scales Conversion                                                                         

The Upper And Lower Fixed Point Of Thermometers

The Upper fixed point

The Upper fixed point is the temperature of pure water boiling at normal atmospheric pressure

The lower fixed point

The lower fixed point  is the temperature of a mixture of pure ice and water at normal atmospheric pressure.

Temperature scale conversion

Temperatures can be measured in Kelvin K, Centigrade C or Fahrenheit F

At boiling water temperature(upper fixed point),                         K =373, C=100 and F = 212

At mixture of ice and water temperature (lower fixed point)       k= 273, C =0  and F=32

Therefore,

At unknown temperature in between boiling water temperature(upper fixed point) and mixture of ice and water temperature(lower fixed point),

Therefore,

To convert Degree Centigrade to Fahrenheit

Also 

To covert Degree Centigrade to Kelvin

And

To convert Kelvin to Fahrenheit

Example

Calculate the equivalent of

Solution

= 273 +40 = 313K

And 273 + 60 = 333K

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