Follow these steps to convert given Kelvin value from Kelvin units to Celsius units.
Enter the input Kelvin value in the text field.
The given Kelvin is converted to Celsius in realtime ⌚ using the formula, and displayed under the Celsius label.
You may copy the resulting Celsius value using the Copy button.
Formula
To convert given temperature from Kelvin to Celsius, use the following formula.
Celsius = Kelvin - 273.15
Calculation
Calculation will be done after you enter a valid input.
Kelvin to Celsius Conversion Table
The following table gives some of the most used conversions from Kelvin to Celsius.
Kelvin (K)
Celsius (°C)
0 K
-273.15°C
1 K
-272.15°C
2 K
-271.15°C
3 K
-270.15°C
4 K
-269.15°C
5 K
-268.15°C
6 K
-267.15°C
7 K
-266.15°C
8 K
-265.15°C
9 K
-264.15°C
10 K
-263.15°C
20 K
-253.15°C
50 K
-223.15°C
100 K
-173.15°C
1000 K
726.85°C
Kelvin
The Kelvin scale is an absolute temperature scale named after the Scottish physicist William Thomson, 1st Baron Kelvin. It is commonly used in scientific and engineering applications where an absolute temperature reference is required. The Kelvin scale starts at absolute zero, the point at which all molecular motion ceases. The freezing point of water on the Kelvin scale is 273.15 K, and the boiling point is 373.15 K.
Celsius
Celsius is a unit of temperature measurement that is part of the metric system. It is named after the Swedish astronomer Anders Celsius, who developed the scale. The Celsius scale sets the freezing point of water at 0 degrees and the boiling point at 100 degrees under standard atmospheric pressure. It is widely used in scientific and everyday contexts around the world.
{
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"x": "K",
"y": "°C",
"x_desc": "Kelvin",
"y_desc": "Celsius",
"category": "Temperature",
"symbol": "m",
"formula": "x - 273.15",
"precision": 11,
"examples": "<div class=\"example\">\n <div class=\"example_head\"><span class=\"example_n\">1</span>\n <h3 class=\"question\">Consider that the operating temperature of a high-end processor is 320 Kelvin.<br>Convert this temperature from Kelvin to Celsius.</h3></div>\n <h4 class=\"answer\">Answer:</h4>\n <p><strong>Given:</strong></p>\n <p>The temperature in kelvin is:</p>\n <p class=\"step\"><span>Temperature<sub>(Kelvin)</sub></span> = 320</p>\n <p><strong>Formula:</strong></p>\n <p>The formula to convert temperature from kelvin to celsius is:</p>\n <p class=\"formula step\"><span>Temperature<sub>(Celsius)</sub></span> = <span>Temperature<sub>(Kelvin)</sub></span> - 273.15</p>\n <p><strong>Substitution:</strong></p>\n <p>Substitute given weight <strong>Temperature<sub>(Kelvin)</sub> = 320</strong> in the above formula.</p>\n <p class=\"step\"><span>Temperature<sub>(Celsius)</sub></span> = <span>320</span> - 273.15</p>\n <p class=\"step\"><span>Temperature<sub>(Celsius)</sub></span> = 46.85</p>\n <p><strong>Final Answer:</strong></p>\n <p>Therefore, <strong>320 K</strong> is equal to <strong>46.85 °C</strong>.</p>\n <p>The temperature is <strong>46.85 °C</strong>, in celsius.</p>\n </div>\n <div class=\"example\">\n <div class=\"example_head\"><span class=\"example_n\">2</span>\n <h3 class=\"question\">Consider that the temperature of liquid nitrogen is approximately 77 Kelvin.<br>Convert this temperature from Kelvin to Celsius.</h3></div>\n <h4 class=\"answer\">Answer:</h4>\n <p><strong>Given:</strong></p>\n <p>The temperature in kelvin is:</p>\n <p class=\"step\"><span>Temperature<sub>(Kelvin)</sub></span> = 77</p>\n <p><strong>Formula:</strong></p>\n <p>The formula to convert temperature from kelvin to celsius is:</p>\n <p class=\"formula step\"><span>Temperature<sub>(Celsius)</sub></span> = <span>Temperature<sub>(Kelvin)</sub></span> - 273.15</p>\n <p><strong>Substitution:</strong></p>\n <p>Substitute given weight <strong>Temperature<sub>(Kelvin)</sub> = 77</strong> in the above formula.</p>\n <p class=\"step\"><span>Temperature<sub>(Celsius)</sub></span> = <span>77</span> - 273.15</p>\n <p class=\"step\"><span>Temperature<sub>(Celsius)</sub></span> = -196.15</p>\n <p><strong>Final Answer:</strong></p>\n <p>Therefore, <strong>77 K</strong> is equal to <strong>-196.15 °C</strong>.</p>\n <p>The temperature is <strong>-196.15 °C</strong>, in celsius.</p>\n </div>\n ",
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"title": "Temperature<br>Converter"
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"img": "<img class=\"conversion\" src=\"/images/unit/temperature/kelvin-celsius.webp\" height=\"360\" width=\"640\" alt=\"Kelvin to Celsius Converter | K to °C\" />",
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{
"slug": "boiling-point-of-water",
"title": "What is the Boiling Point of Water in Celsius, Fahrenheit, and Kelvin?"
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{
"slug": "freezing-point-of-water",
"title": "What is the Freezing Point of Water in Celsius, Fahrenheit, and Kelvin?"
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{
"slug": "absolute-zero",
"title": "What is Absolute Zero in Celsius, Fahrenheit, and Kelvin?"
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{
"slug": "red-hot-temperature",
"title": "What is the Temperature of Red Hot Metal in Celsius, Fahrenheit, and Kelvin?"
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{
"slug": "white-hot-temperature",
"title": "What is the Temperature of White Hot Metal in Celsius, Fahrenheit, and Kelvin?"
},
{
"slug": "normal-body-temperature",
"title": "What is the Normal Body Temperature in Celsius, Fahrenheit, and Kelvin?"
}
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"faqs": [
{
"name": "How do I convert Kelvin to Celsius?",
"answer": "Subtract 273.15 from the Kelvin temperature. For example, \\( 300\\,K - 273.15 = 26.85\\,°C \\)."
},
{
"name": "What is the formula for converting Kelvin to Celsius?",
"answer": "The formula is: \\( \\text{Celsius} = \\text{Kelvin} - 273.15 \\)."
},
{
"name": "Is 0 Kelvin equal to -273.15 degrees Celsius?",
"answer": "Yes, 0\\,K is equivalent to -273.15\\,°C, which is absolute zero."
},
{
"name": "How do I convert Celsius to Kelvin?",
"answer": "Add 273.15 to the Celsius temperature. The formula is: \\( \\text{Kelvin} = \\text{Celsius} + 273.15 \\)."
},
{
"name": "What is the difference between Kelvin and Celsius scales?",
"answer": "Both scales have the same unit size, but Kelvin starts at absolute zero (0\\,K), whereas Celsius starts at the freezing point of water (0\\,°C)."
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{
"name": "Why do we subtract 273.15 to convert Kelvin to Celsius?",
"answer": "Subtracting 273.15 adjusts for the difference in starting points between the Kelvin and Celsius scales."
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{
"name": "How many degrees Celsius are in 310 Kelvin?",
"answer": "\\( 310\\,K - 273.15 = 36.85\\,°C \\)."
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"text": "Subtract 273.15 from the Kelvin temperature. For example, \\( 300\\,K - 273.15 = 26.85\\,°C \\)."
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"text": "The formula is: \\( \\text{Celsius} = \\text{Kelvin} - 273.15 \\)."
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"text": "Add 273.15 to the Celsius temperature. The formula is: \\( \\text{Kelvin} = \\text{Celsius} + 273.15 \\)."
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"@type": "Question",
"name": "What is the difference between Kelvin and Celsius scales?",
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"table1n": "<h2><span class=\"x\">Kelvin</span> to <span class=\"y\">Celsius</span> Conversion Table</h2><p>The following table gives some of the most used conversions from Kelvin to Celsius.</p><table><thead><tr><th scope=\"column\" role=\"columnheader\">Kelvin (<span class=\"unit\">K</span>)</th><th scope=\"column\" role=\"columnheader\">Celsius (<span class=\"unit\">°C</span>)</th><tr></thead><tbody><tr><td>0 <span class=\"unit\">K</span></td><td>-273<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>1 <span class=\"unit\">K</span></td><td>-272<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>2 <span class=\"unit\">K</span></td><td>-271<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>3 <span class=\"unit\">K</span></td><td>-270<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>4 <span class=\"unit\">K</span></td><td>-269<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>5 <span class=\"unit\">K</span></td><td>-268<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>6 <span class=\"unit\">K</span></td><td>-267<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>7 <span class=\"unit\">K</span></td><td>-266<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>8 <span class=\"unit\">K</span></td><td>-265<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>9 <span class=\"unit\">K</span></td><td>-264<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>10 <span class=\"unit\">K</span></td><td>-263<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>20 <span class=\"unit\">K</span></td><td>-253<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>50 <span class=\"unit\">K</span></td><td>-223<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>100 <span class=\"unit\">K</span></td><td>-173<span>.15</span> <span class=\"unit\">°C</span></td></tr><tr><td>1000 <span class=\"unit\">K</span></td><td>726<span>.85</span> <span class=\"unit\">°C</span></td></tr></table>",
"units": [
[
"celsius",
"Celsius",
"°C"
],
[
"fahrenheit",
"Fahrenheit",
"°F"
],
[
"kelvin",
"Kelvin",
"K"
],
[
"newton",
"Newton",
"°N"
],
[
"delisle",
"Delisle",
"°De"
],
[
"rankine",
"Rankine",
"°R"
],
[
"reaumur",
"Réaumur",
"°Ré"
],
[
"romer",
"Rømer",
"°Rø"
]
],
"y_long_desc": "Celsius is a unit of temperature measurement that is part of the metric system. It is named after the Swedish astronomer Anders Celsius, who developed the scale. The Celsius scale sets the freezing point of water at 0 degrees and the boiling point at 100 degrees under standard atmospheric pressure. It is widely used in scientific and everyday contexts around the world.",
"x_long_desc": "The Kelvin scale is an absolute temperature scale named after the Scottish physicist William Thomson, 1st Baron Kelvin. It is commonly used in scientific and engineering applications where an absolute temperature reference is required. The Kelvin scale starts at absolute zero, the point at which all molecular motion ceases. The freezing point of water on the Kelvin scale is 273.15 K, and the boiling point is 373.15 K."
}