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Difference between Celsius and Kelvin

Difference between Celsius and Kelvin

Have you ever wondered about the difference between Celsius and Kelvin? The two scales measure temperature in different ways, and as a result, they produce different values. In this blog post, we’ll take a closer look at how Celsius and Kelvin work, and we’ll discuss some of the differences between the two scales. We’ll also explore some applications for each scale, so that you can better understand when to use Celsius and when to use Kelvin. Finally, we’ll provide a few tips on how to convert from one scale to the other. So let’s get started!

What is Celsius?

Celsius is a temperature scale named after the Swedish astronomer Anders Celsius (1701–1744), who first proposed it in 1742. The Celsius scale (also known as centigrade) is an interval scale with 0 °C as its lower limit, 100 °C as its upper limit, and 90 °C as the interval between the two. In 1744, Celsius created a universal temperature scale where 100 degrees was the boiling point of water and 0 degrees was the freezing point of water. The scale was reversed in 1745 at Celsius’s death so that the freezing point of water is now 0°C, and the boiling point is now 100°C. Water freezes at 0° Celsius and boils at 100° Celsius. The Celsius temperature scale is nowadays used in almost all countries worldwide. Celsius can be abbreviated as “C”. (Wikipedia, “Celsius.”)

What is Kelvin?

Kelvin is a unit of measurement for temperature. It is named after the British physicist William Thomson Kelvin (1824-1907). Kelvin is often used in scientific settings since it is an absolute scale, meaning that it starts at absolute zero. This is the lowest possible temperature, where all atomic and subatomic motion stops. Kelvin is also a unit of measurement for thermodynamic temperature, which is a measure of the average kinetic energy of particles in a system. The Kelvin scale is often used in conjunction with the Celsius scale, where zero degrees Celsius is equal to 273.15 Kelvin.

Difference between Celsius and Kelvin

Celsius and Kelvin are two units of measurement for temperature. Celsius is the standard unit of measurement for temperature in the metric system, while Kelvin is the standard unit of measurement for temperature in the International System of Units (SI). The main difference between Celsius and Kelvin is that Celsius is measured using the Celsius scale, while Kelvin is measured using the absolute or thermodynamic scale.

The Celsius scale is based on the boiling point and freezing point of water, while the Kelvin scale is based on the absolute zero point. As a result, Celsius temperatures can be negative, while Kelvin temperatures can only be positive. For most practical purposes, Celsius and Kelvin can be used interchangeably. However, when talking about extremely low or high temperatures, it is important to use the correct unit of measurement.


The Celsius and Kelvin temperature scales are two of the most common temperature measurement systems. While they both measure temperature, there are some key differences between them. In general, Celsius is more commonly used in everyday life, while Kelvin is more often used in scientific measurements.

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