Basic chemistry

# How to convert Kelvin temperature measurements to Celsius

Kelvin conversion Celsius and examples are discussed here. Kelvin and Celsius are two temperature scales. The size of the “degree” for each scale is the same size, but the Kelvin scale starts at absolute zero (the lowest theoretically achievable temperature), while the Celsius scale sets its zero point at the triple point of water (the point at which water can exist in the solid, liquid or gaseous state, or 32.01 ° F).

Because Kelvin is an absolute scale, no degree symbol is used after a measurement.

Otherwise, the two scales are similar. The conversion between them requires only a basic arithmetic.

### Kelvin conversion Celsius

Here is the formula for converting Kelvin to Celsius:

° C = K – 273.15

All that is needed to convert Kelvin to Celsius is a simple step.

Take your Kelvin temperature and subtract 273.15. Your answer will be in Celsius. Although there is no degree symbol for Kelvin, you must add the symbol to signal a Celsius temperature.

### Examples of kelvin  conversion Celsius

How many degrees Celsius is 500K?

° C = K – 273.15
° C = 500 – 273.15
° C = 226.85 °

For another example, convert the normal Kelvin body temperature to Celsius. The temperature of the human body is 310.15 K. Put the value in the equation to solve for degrees Celsius:

° C = K – 273.15
° C = 310.15 – 273.15
body temperature = 37 ° C

### Example of Celsius to Kelvin conversion

Similarly, it is easy to convert a Kelvin Celsius temperature.

You can use the formula given above or use:

K = ° C + 273.15

For example, converting the boiling point of water to Kelvin. The boiling point of the water is 100 ° C. Plug the value into the formula:

K = 100 + 273.15 (drop the degree)
K = 373.15

### A note on the Kelvin scale and absolute zero

While the typical temperatures encountered in everyday life are often expressed in degrees Celsius or Fahrenheit, many phenomena are described more easily using an absolute temperature scale.

The Kelvin scale starts at absolute zero (the coldest possible temperature) and is based on the measurement of energy (the movement of molecules). Kelvin in the international standard for the measurement of scientific temperature, and is used in many fields, including astronomy and physics.

Although it is perfectly normal to obtain negative values ​​for the Celsius temperature, the Kelvin scale only goes down to zero. 0K is also known as absolute zero . This is the point where no extra heat can be removed from a system because there is no molecular movement, so there is no lower temperature possible. Likewise, it means that the lowest possible Celsius temperature is -273.15 ° C. If you perform a calculation that gives you a lower value, it’s time to go back and check your work. You have an error or there is another problem.

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