Kelvin Converter
Convert Kelvin to Celsius and more • 15 conversions
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Unit Explanations
KelvinK
Source UnitThe Kelvin (K) is the base unit of temperature in the International System of Units (SI). It is defined by taking the fixed numerical value of the Boltzmann constant, k, to be 1.380649×10^-23 when expressed in the unit J K^-1, which is equal to kg m^2 s^-2 K^-1. The Kelvin is used to measure thermodynamic temperature and is one of the seven SI base units. Unlike Celsius, the Kelvin scale is an absolute scale starting from absolute zero, the point at which all molecular motion ceases.
Current Use
The Kelvin is widely used in scientific research, particularly in physics and chemistry, where precise temperature measurements are crucial. It is also used in engineering applications and space sciences, due to its absolute nature. The Kelvin is vital in any field where temperature plays a critical role, from material science to cosmology.
Fun Fact
The Kelvin scale does not use degrees, unlike Celsius and Fahrenheit.
Celsius°C
Target UnitCelsius, denoted by the symbol °C, is a scale and unit of measurement for temperature. It is named after the Swedish astronomer Anders Celsius, who developed a similar temperature scale. In the Celsius scale, the freezing point of water is 0 degrees, and the boiling point is 100 degrees under standard atmospheric pressure. This makes it especially useful for scientific calculations and everyday temperature measurements as it aligns closely with the metric system. The Celsius scale is widely used around the world, with the exception of some countries like the United States, which predominantly uses Fahrenheit.
Current Use
The Celsius scale is the most widely used temperature scale in the world today. It is used in most countries for daily temperature measurements. In scientific contexts, it is used alongside the Kelvin scale, which is the SI unit for temperature. The Celsius scale's straightforward alignment with the metric system makes it an ideal choice for educational, scientific, and meteorological purposes.
Fun Fact
The Celsius scale was initially reversed, with 0 as boiling point and 100 as freezing point.
Convert Kelvin to Celsius (K to °C)
Convert Kelvin (K) to Celsius (°C). If a physics problem gives you 300 K, simply subtracting 273.15 reveals it's a pleasant 26.85°C day. This conversion is constant across the entire scale.
Subtract 273.15 from Kelvin. For example, 0 K = -273.15 °C.
Kelvin (K)
Definition
Base unit.
Origins & History
Absolute scale.
Celsius (°C)
Definition
Derived unit.
Origins & History
Metric scale.
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📐Conversion Formula
= × 1.00000How to Convert
To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.
Quick Examples
💡 Pro Tip: For the reverse conversion ( → ), divide by the conversion factor instead of multiplying.
Kelvin
temperature • SI Unit
Definition
The Kelvin (K) is the base unit of temperature in the International System of Units (SI). It is defined by taking the fixed numerical value of the Boltzmann constant, k, to be 1.380649×10^-23 when expressed in the unit J K^-1, which is equal to kg m^2 s^-2 K^-1. The Kelvin is used to measure thermodynamic temperature and is one of the seven SI base units. Unlike Celsius, the Kelvin scale is an absolute scale starting from absolute zero, the point at which all molecular motion ceases.
History & Origin
The Kelvin scale was developed in the mid-19th century by Lord Kelvin, a prominent physicist, who proposed an absolute temperature scale independent of the properties of a particular substance. This concept of absolute zero provided a uniform scale for comparing temperatures, based on the laws of thermodynamics.
Etymology: Named after Lord Kelvin, born William Thomson, who was a physicist and engineer.
Current Use
The Kelvin is widely used in scientific research, particularly in physics and chemistry, where precise temperature measurements are crucial. It is also used in engineering applications and space sciences, due to its absolute nature. The Kelvin is vital in any field where temperature plays a critical role, from material science to cosmology.
💡 Fun Facts
- •The Kelvin scale does not use degrees, unlike Celsius and Fahrenheit.
- •Absolute zero, 0 K, is theoretically the lowest temperature possible.
- •The Kelvin scale is named after a person, unlike most other SI units.
📏 Real-World Examples
🔗 Related Units
Celsius
temperature • Non-SI
Definition
Celsius, denoted by the symbol °C, is a scale and unit of measurement for temperature. It is named after the Swedish astronomer Anders Celsius, who developed a similar temperature scale. In the Celsius scale, the freezing point of water is 0 degrees, and the boiling point is 100 degrees under standard atmospheric pressure. This makes it especially useful for scientific calculations and everyday temperature measurements as it aligns closely with the metric system. The Celsius scale is widely used around the world, with the exception of some countries like the United States, which predominantly uses Fahrenheit.
History & Origin
The Celsius scale was developed by Swedish astronomer Anders Celsius in 1742. Originally, Celsius devised his scale with 0 as the boiling point of water and 100 as the freezing point, which was later inverted by Carl Linnaeus in 1744 to its current form. This scale quickly became popular due to its straightforward 100-degree interval between the key physical phenomena of freezing and boiling water, which made it intuitive and easy to use, particularly for scientific work.
Etymology: The term 'Celsius' comes from the surname of Anders Celsius, the inventor of this temperature scale.
Current Use
The Celsius scale is the most widely used temperature scale in the world today. It is used in most countries for daily temperature measurements. In scientific contexts, it is used alongside the Kelvin scale, which is the SI unit for temperature. The Celsius scale's straightforward alignment with the metric system makes it an ideal choice for educational, scientific, and meteorological purposes.
💡 Fun Facts
- •The Celsius scale was initially reversed, with 0 as boiling point and 100 as freezing point.
- •Celsius is used by scientists worldwide, except in the U.S., where Fahrenheit is more common.
- •The Celsius scale is often called centigrade, a term derived from Latin meaning 'hundred steps'.
📏 Real-World Examples
🔗 Related Units
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Frequently Asked Questions
How do I convert to ?▼
To convert to , multiply your value by 1. For example, 10 equals 10 .
What is the formula for to conversion?▼
The formula is: = × 1. This conversion factor is based on international standards.
Is this to converter accurate?▼
Yes! MetricConv uses internationally standardized conversion factors from organizations like NIST and ISO. Our calculations support up to 15 decimal places of precision, making it suitable for scientific, engineering, and everyday calculations.
Can I convert back to ?▼
Absolutely! You can use the swap button (⇄) in the converter above to reverse the conversion direction, or visit our to converter.