# Celsius to Kelvin Formula

The degree Celsius, also known as the centigrade degree, symbol as °C, is a thermodynamic unit defined by Anders Celsius in 1742 considering the freezing temperature of the water at 100°C and the boiling temperature at 0°C. Jean-Pierre Christin in 1743 and Carlos Linneo in 1745 inverted both points, leaving the freezing temperature of the water at 0 °C and the boiling temperature of the water at 100 °C.

The Kelvin is the unit of temperature in the International System, whose symbol is K. The Kelvin scale is a thermodynamic temperature scale created by William Thomson Kelvin, in the year 1848, on the basis of the degree Celsius conserving the same dimension, whose value of 0 K is equivalent to -273,15 °C and is called the absolute zero, that corresponds to the point in which the molecules and atoms of a system have the minimum possible thermal energy, no system can have a lower temperature. The temperature measured in Kelvin is called absolute temperature and is the most widely used temperature scale in science.

Celsius = Kelvin -273.15

The equation is written

C = k-273.15

We have:

C = Celsius

K = Kelvin

Celsius to Kelvin Questions:

1) Convert 500 K to centigrade degrees.

Answer: Using the above equation we perform the temperature conversion from K = 500 k to C.

C = K -273.15

C = 500 k - 273.15

C = 226.85 °C.

2) Convert 65 K to centigrade degrees.

Answer: Using the above equation we perform the temperature conversion from K = 65 k to C.

C = K -273.15

C = 65 k - 273.15

C = -208.15 °C.

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