Online Rankine to Kelvin conversion

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Rankine to Kelvin conversion

Rankine (°R) to Kelvin (K) degrees conversion calculator and how to convert.

Rankine to Kelvin conversion calculator

Enter the temperature in degrees Rankine and press the Convert button:

°R
   
Kelvin: K

Kelvin to Rankine ►

Rankine to Kelvins

The Rankine scale is named after Scottish physicist William John Macquorn Rankine. Similarly to kelvin absolute zero is 0 °R, equivalent to -459.67 °F. Rankine uses the same interval as Fahrenheit. Kelvin is the unit of measure for temperature adopted by the International System of Units. Absolute zero is 0 K, equivalent to -273.15 °C. Kelvin uses the same interval as Celsius.

Convert degrees Rankine to kelvins with this simple formula:

kelvins = [°R] × 5 / 9

Insert the [°R] temperature measurement in the formula and then solve to find the result.

For example

let's convert 50 °R to kelvins:

50 °R = ( 50 × 5 / 9 ) = 27.777778 K

The Rankine scale and Kelvins are both used to measure temperature.

Rankine

The Rankine scale is an absolute temperature scale that uses absolute zero as the starting point, much like the Kelvin scale. The key difference between the Rankine scale and the Kelvin scale is that an increment of one degree rankine is equal to an increment of one degree Fahrenheit, not Celsius as in the Kelvin scale. The base of the Rankine scale starts at absolute zero, thus 0 degrees rankine are equal to −459.67 degrees Fahrenheit.

Rankine can be abbreviated as R, and are also sometimes abbreviated as Ra. For example, 1 degree Rankine can be written as 1 °R or 1 Ra.

Important Temperatures In Degrees Rankine

Temperature Degrees Rankine
Absolute Zero 0 °R
Freezing Point of Water 491.67 °R
Triple Point of Water 491.688 °R
Boiling Point of Water 671.67 °R

Kelvins

The Kelvin scale is an absolute temperature scale that uses absolute zero as the starting point. The kelvin is defined in terms of the Boltzmann constant, which is a measure of the energy of motion corresponding to one kelvin.

More specifically, one kelvin is equal to the change of thermodynamic temperature that results in a change of thermal energy kT by 1.380649 × 10−23 J.

0 kelvins are equal to −273.15 degrees Celsius, which is the point of absolute zero.

The kelvin is the SI base unit for temperature in the metric system. Kelvins can be abbreviated as K; for example, 1 kelvin can be written as 1 K.

The kelvin scale is different from other temperature scales in that it is not expressed in degrees, values are expressed in kelvins. When using the Kelvin scale in writing, the "k" is capitalized, however when using the kelvin as a unit the "k" should be lower-case, even though it is named for a person.

Important Temperatures In Kelvins

Temperature Kelvins
Absolute Zero 0 K
Freezing Point of Water 273.15 K
Triple Point of Water 273.16 K
Boiling Point of Water 373.15 K

 

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