Celsius to Kelvin

Table of Contents

Welcome to Celsius to Kelvin, our article discussing the temperature conversion.

If you have simply entered °C to K in your preferred search engine, then you are right here, too. 🙂

Keep reading to learn all to learn all about converting degrees Celsius to Kelvin.

Celsius to Kelvin Converter

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Celsius:

Kelvin:

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How to Convert Celsius to Kelvin Video

Watching this clip we explain you the conversion in as little as 75 seconds!

Definition of Temperature

Temperature = measure of the mean kinetic energy of all the molecules in an object.

Celsius Temperature Scale

The unit Celsius is additionally called centigrade, because it was known as that before it was renamed to honor its namesake Anders Celsius, an astronomer from Sweden, who invented a temperature scale resembling the Celsius scale used presently, but which was turned upside down.

Both, the scale as well as the unit, are defined by the absolute zero temperature, combined with the triple point of VSMOW (Vienna Standard Mean Ocean Water).

Therefore, Celsius is a relative scale as it can have negative and positive values.

The degree sign or degree symbol for degrees Celsius is °C.

Absolute Temperature Scale

Kelvin is the temperature unit named in honor of William Thomson, later ennobled Lord Kelvin, an Irish physicist and engineer, who invented the thermodynamic, absolute scale which only has one one direction.

The Kelvin is defined as a certain fraction of the thermodynamic temperature of the triple point of water.

This fraction is 1/273.16 exactly.

The symbol for Kelvin is K.

Note that in contrast to degree Celsius or degree centigrade, the Kelvin (thermometric scale) is not referred to as degree.

Degrees Celsius and Kelvin can refer to either, a certain temperature on the scale named after its inventor, as well as to the unit being discussed to indicate a temperature interval or the difference between two temperatures.

Celsius to Kelvin Formula

The Celsius to Kelvin formula is as follows:

Kelvin = Celsius + 273.15
You may remember this formula by the difference 273.15, together with the fact that Kelvin is always 273.15 higher than centigrades.

In contrast to Fahrenheit to Celsius, the 2 temperatures scales under consideration here do not intersect at any point.

Read on to learn about the conversion in the next paragraph.

Convert Celsius to Kelvin

As follows from the Celsius to Kelvin formula above, to convert Celsius to Kelvin add 273.15 to the temperature in Celsius.

For example, to change 50 °C to K, sum 50 and 273.15 to obtain 323.15 kelvin.

Another example of how to convert Celsius to Kelvin with negative 10 °C:

[K] = -10 + 273.15 = 263.15 Kelvin.

Alternatively, you can use our temperature converter above.

Note that you can also use the search form in the sidebar to find frequent °C to K conversions, including, for example:

FAQs

How to convert from Celsius to Kelvin?

Use the equation [K] = [°C] + 273.15.

Why do we convert Celsius to Kelvin?

Sometimes it is more practical to use Kelvin because the scale is linear with the zero point being at absolute zero.

How do you convert Celsius to Kelvin formula in Excel?

Insert =CONVERT(A1,”C”,”K”) into a cell, assumed A1 holds the start temperature.

How to convert from °C to Kelvin and vice versa?

To convert from Kelvin to Celsius calculate °C = K – 273.15, and to convert from Celsius to Kelvin calculate K = °C + 273.15.

Why is Kelvin not a degree?

Kelvin not a degree because it is the absolute temperature. Thus, its unit symbol is K without a degree sign. In contrast, degrees Celsius has its unit symbol with the Celsius degree symbol: °C.

How to convert degree Celsius to Kelvin Formula?

[K] = [°C] + 273.15

Is Kelvin Celsius plus 273?

It is plus 273.15 exactly.

Additional Information on °C to K

Here we have some facts about °C to K which might be of interest to you.

Celsius is a SI derived unit: °C is derived from Kelvin, the base unit of temperature in the SI system.
°C is used in many countries on daily basis, such as to tell the human body temperature, and perhaps still called centigrade scale.
K is usually the rule for scientific purposes.
The lowest temperature by the laws of thermodynamics, absolute zero, is defined as being precisely −273.15 °C.
For temperature intervals: 1 °C = 1 K. You can verify this using the formula.
−273.15 °C ⇔ 0 K is absolute zero, the coldest temperature possible, aka minimum temperature.
0.01 °C ⇔ 273.16 K is the excact triple point of water.
99.9839 °C ⇔ 373.1339 K is the exact boiling point of water at 1 atm.

Conclusion

We have already answered all about °C in K, or centigrade to Kelvin, including the C to K formula.

We now wrap this article about the Celsius to Kelvin conversion up using an image:

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Celsius to Kelvin Chart

Fahrenheit	Celsius	Description
-273.15 °C	0 K	Absolute Zero Temperature
-50 °C	223.15 K
-40 °C	233.15 K
-30 °C	243.15 K
-29 °C	244.15 K
-28 °C	245.15 K
-27 °C	246.15 K
-26 °C	247.15 K
-25 °C	248.15 K
-24 °C	249.15 K
-23 °C	250.15 K
-22 °C	251.15 K
-21 °C	252.15 K
-20 °C	253.15 K
-19 °C	254.15 K
-18 °C	255.15 K
-17 °C	256.15 K
-16 °C	257.15 K
-15 °C	258.15 K
-14 °C	259.15 K
-13 °C	260.15 K
-12 °C	261.15 K
-11 °C	262.15 K
-10 °C	263.15 K
-9 °C	264.15 K
-8 °C	265.15 K
-7 °C	266.15 K
-6 °C	267.15 K
-5 °C	268.15 K
-4 °C	269.15 K
-3 °C	270.15 K
-2 °C	271.15 K
-1 °C	272.15 K
0 °C	273.15 K	Freezing Temperature of Water
1 °C	274.15 K
2 °C	275.15 K
3 °C	276.15 K
4 °C	277.15 K
5 °C	278.15 K
6 °C	279.15 K
7 °C	280.15 K
8 °C	281.15 K
9 °C	282.15 K
10 °C	283.15 K
11 °C	284.15 K
12 °C	285.15 K
13 °C	286.15 K
14 °C	287.15 K
15 °C	288.15 K
16 °C	289.15 K
17 °C	290.15 K
18 °C	291.15 K
19 °C	292.15 K
20 °C	293.15 K
21 °C	294.15 K
22 °C	295.15 K
23 °C	296.15 K
24 °C	297.15 K
25 °C	298.15 K
26 °C	299.15 K
27 °C	300.15 K
28 °C	301.15 K
29 °C	302.15 K
30 °C	303.15 K
31 °C	304.15 K
32 °C	305.15 K
33 °C	306.15 K
34 °C	307.15 K
35 °C	308.15 K
36 °C	309.15 K
37 °C	310.15 K	Average Body Temperature
38 °C	311.15 K
39 °C	312.15 K
40 °C	313.15 K
41 °C	314.15 K
42 °C	315.15 K
43 °C	316.15 K
44 °C	317.15 K
45 °C	318.15 K
46 °C	319.15 K
47 °C	320.15 K
48 °C	321.15 K
49 °C	322.15 K
50 °C	323.15 K
51 °C	324.15 K
52 °C	325.15 K
53 °C	326.15 K
54 °C	327.15 K
55 °C	328.15 K
56 °C	329.15 K
57 °C	330.15 K
58 °C	331.15 K
59 °C	332.15 K
60 °C	333.15 K
61 °C	334.15 K
62 °C	335.15 K
63 °C	336.15 K
64 °C	337.15 K
65 °C	338.15 K
66 °C	339.15 K
67 °C	340.15 K
68 °C	341.15 K
69 °C	342.15 K
70 °C	343.15 K
71 °C	344.15 K
72 °C	345.15 K
73 °C	346.15 K
74 °C	347.15 K
75 °C	348.15 K
76 °C	349.15 K
77 °C	350.15 K
78 °C	351.15 K
79 °C	352.15 K
80 °C	353.15 K
81 °C	354.15 K
82 °C	355.15 K
83 °C	356.15 K
84 °C	357.15 K
85 °C	358.15 K
86 °C	359.15 K
87 °C	360.15 K
88 °C	361.15 K
89 °C	362.15 K
90 °C	363.15 K
91 °C	364.15 K
92 °C	365.15 K
93 °C	366.15 K
94 °C	367.15 K
95 °C	368.15 K
96 °C	369.15 K
97 °C	370.15 K
98 °C	371.15 K
99 °C	372.15 K
100 °C	373.15 K	Boiling Temperature of Water
200 °C	473.15 K
300 °C	573.15 K
400 °C	673.15 K
500 °C	773.15 K
600 °C	873.15 K
700 °C	973.15 K
800 °C	1073.15 K
900 °C	1173.15 K
1000 °C	1273.15 K