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Kelvin Converter

Convert Kelvin to Intervaldegree Reaumur and more • 15 conversions

Result

0

1 0
Conversion Formula
1 = ---
Quick Reference
1 = 1
10 = 10
50 = 50
100 = 100
500 = 500
1000 = 1000

Unit Explanations

KelvinK

Source Unit

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.

T(K) = T(°C) + 273.15

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.

Réaumur°Re

Target Unit

The Réaumur scale, denoted as °Re, is a temperature scale established by the French scientist René Antoine Ferchault de Réaumur in the early 18th century. The scale is defined such that 0 degrees Réaumur corresponds to the freezing point of water, while 80 degrees Réaumur corresponds to the boiling point of water at standard atmospheric pressure. The scale is a linear scale, meaning that equal intervals on the scale represent equal differences in temperature. This scale was particularly popular in Europe until the late 19th century but has since been largely replaced by the Celsius and Kelvin scales.

°C = °Re × 1.25

Current Use

Today, the Réaumur scale is rarely used but can still be found in some specific applications, particularly in historical texts and discussions about temperature measurement in the context of brewing and traditional practices. It is primarily of interest to historians and those studying the development of thermometry. The scale is sometimes referenced in educational contexts when discussing the evolution of temperature measurement.

Fun Fact

The Réaumur scale was once widely used in the brewing industry, particularly in France, for its relevance to fermentation temperatures.

Decimals:
Scientific:OFF

Result

0

1
0
Conversion Formula
1 = ...
1→1
10→10
100→100
1000→1000

📐Conversion Formula

= × 1.00000

How to Convert

To convert to , multiply the value by 1.00000. This conversion factor represents the ratio between these two units.

Quick Examples

1
=
1.000
10
=
10.00
100
=
100.0

💡 Pro Tip: For the reverse conversion (), divide by the conversion factor instead of multiplying.

K

Kelvin

temperatureSI Unit

Base 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.

1954: Adopted as the SI base unit of...2019: Redefined in terms of the Bolt...

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.

Scientific researchEngineeringSpace sciences

💡 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

273.15 K
Freezing point of water
373.15 K
Boiling point of water
293.15 K
Room temperature
5778 K
Surface temperature of the Sun
0 K
Absolute zero

🔗 Related Units

Celsius (Offset by 273.15 from Kelvin.)Fahrenheit (Converted from Kelvin using a formula.)Rankine (Absolute temperature scale used in the US.)Joule (Related through the Boltzmann constant.)
°Re

Réaumur

temperatureNon-SI

Definition

The Réaumur scale, denoted as °Re, is a temperature scale established by the French scientist René Antoine Ferchault de Réaumur in the early 18th century. The scale is defined such that 0 degrees Réaumur corresponds to the freezing point of water, while 80 degrees Réaumur corresponds to the boiling point of water at standard atmospheric pressure. The scale is a linear scale, meaning that equal intervals on the scale represent equal differences in temperature. This scale was particularly popular in Europe until the late 19th century but has since been largely replaced by the Celsius and Kelvin scales.

History & Origin

The Réaumur scale was proposed by René Antoine Ferchault de Réaumur in 1730. It was initially developed for scientific use and was widely adopted in various fields, including brewing and meteorology. The scale's use in industrial settings, particularly in Europe, allowed for standardized temperature measurements that were crucial for various processes, particularly in the 18th and 19th centuries.

Etymology: The term 'Réaumur' derives from the name of its inventor, René Antoine Ferchault de Réaumur, a French naturalist who lived from 1683 to 1757.

1730: Réaumur proposes his temperatu...1954: The last notable use in scient...

Current Use

Today, the Réaumur scale is rarely used but can still be found in some specific applications, particularly in historical texts and discussions about temperature measurement in the context of brewing and traditional practices. It is primarily of interest to historians and those studying the development of thermometry. The scale is sometimes referenced in educational contexts when discussing the evolution of temperature measurement.

BrewingMeteorologyHistorical research

💡 Fun Facts

  • The Réaumur scale was once widely used in the brewing industry, particularly in France, for its relevance to fermentation temperatures.
  • René Antoine Ferchault de Réaumur also invented the alcohol thermometer, which used alcohol instead of mercury.
  • The scale is sometimes humorously referred to as the 'baker's scale' because bakers in France would often use it to monitor dough temperatures.

📏 Real-World Examples

0 °Re
Freezing point of water
80 °Re
Boiling point of water
20 °Re
Room temperature approximation
30 °Re
Hot summer day
5 °Re
Refrigerator temperature

🔗 Related Units

Celsius (Celsius is a more commonly used temperature scale where 0°C equals 0°Re.)Fahrenheit (Fahrenheit has a different zero point and scale increments compared to Réaumur.)Kelvin (Kelvin is the absolute temperature scale, with 0 K being equal to -273.15°C.)Rankine (Rankine is an absolute temperature scale used primarily in engineering, related to Fahrenheit.)

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.

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