Kelvin to Rankine (K to °R)

Kelvin to Rankine (K to °R) conversion calculator

Rankine to Kelvin (°R to K) (Swap units)

273.15K = 491.67°R

Accuracy

Note: You can increase or decrease the accuracy of this answer by selecting the number of significant figures required from the options above the result.

Kelvin to Rankine (K to ºR) formula

Rankine = ((Kelvin - 273.15) * 1.8) + 491.67

273.15 Kelvin to Rankine calculation

Rankine = ((Kelvin - 273.15) * 1.8) + 491.67

Rankine = ((273.15 - 273.15) * 1.8) + 491.67

Rankine = (0 * 1.8) + 491.67

Rankine = 0 + 491.67

Rankine = 491.67

Converting from Kelvin to Rankine

Converting from Kelvin to Rankine is a straightforward process that involves a simple mathematical equation. Both Kelvin and Rankine are absolute temperature scales, with Kelvin being the standard unit in the International System of Units (SI) and Rankine commonly used in the United States.

To convert from Kelvin to Rankine, you need to multiply the temperature in Kelvin by 1.8 and then add 459.67. The formula can be expressed as: Rankine = (Kelvin × 1.8) + 459.67.

For example, let's say we have a temperature of 300 Kelvin. To convert this to Rankine, we would multiply 300 by 1.8, which equals 540, and then add 459.67. The result is 999.67 Rankine.

The Kelvin to Rankine conversion is particularly useful when working with temperature measurements in scientific and engineering fields, especially in the United States where Rankine is still commonly used. Understanding how to convert between these two units allows for seamless communication and accurate calculations across different systems of measurement.

Kelvin is an absolute temperature measurement defined in the International System of Units (SI). It is named after the Scottish physicist William Thomson (Lord Kelvin) who studied the field of thermodynamics. The Kelvin scale is based on absolute zero; the point at which all molecular motion ceases.

Unlike most other temperature scales, Kelvin does not have degrees as it is not a relative scale. The Kelvin scale is often used in physics, chemistry, and cosmology.

One advantage of Kelvin is that it does not have negative values making some calculations easier. This is useful in science calculations involving gases as it relates to the kinetic energy of molecules.

Rankine is temperature unit normally used in thermodynamics. It is named after the Scottish engineer and physicist William John Macquorn Rankine, who is know for his work in thermodynamics. The Rankine scale is based on the Fahrenheit scale with degree increments identical but starting at absolute zero.

With the zero point at absolute zero (-459.67°F) it is easy to convert between Rankine and Fahrenheit: simply subtract 459.67.

The Rankine scale is not normally used in everyday life as it is an engineering unit particularly thermodynamics in the United States.

Starting value
Increment
Accuracy
Kelvin
Rankine
0K
0.00000°R
1K
1.80000°R
2K
3.60000°R
3K
5.40000°R
4K
7.20000°R
5K
9.00000°R
6K
10.80000°R
7K
12.60000°R
8K
14.40000°R
9K
16.20000°R
10K
18.00000°R
11K
19.80000°R
12K
21.60000°R
13K
23.40000°R
14K
25.20000°R
15K
27.00000°R
16K
28.80000°R
17K
30.60000°R
18K
32.40000°R
19K
34.20000°R
Kelvin
Rankine
20K
36.00000°R
21K
37.80000°R
22K
39.60000°R
23K
41.40000°R
24K
43.20000°R
25K
45.00000°R
26K
46.80000°R
27K
48.60000°R
28K
50.40000°R
29K
52.20000°R
30K
54.00000°R
31K
55.80000°R
32K
57.60000°R
33K
59.40000°R
34K
61.20000°R
35K
63.00000°R
36K
64.80000°R
37K
66.60000°R
38K
68.40000°R
39K
70.20000°R
Kelvin
Rankine
40K
72.00000°R
41K
73.80000°R
42K
75.60000°R
43K
77.40000°R
44K
79.20000°R
45K
81.00000°R
46K
82.80000°R
47K
84.60000°R
48K
86.40000°R
49K
88.20000°R
50K
90.00000°R
51K
91.80000°R
52K
93.60000°R
53K
95.40000°R
54K
97.20000°R
55K
99.00000°R
56K
100.80000°R
57K
102.60000°R
58K
104.40000°R
59K
106.20000°R
Kelvin
Rankine
60K
108.00000°R
61K
109.80000°R
62K
111.60000°R
63K
113.40000°R
64K
115.20000°R
65K
117.00000°R
66K
118.80000°R
67K
120.60000°R
68K
122.40000°R
69K
124.20000°R
70K
126.00000°R
71K
127.80000°R
72K
129.60000°R
73K
131.40000°R
74K
133.20000°R
75K
135.00000°R
76K
136.80000°R
77K
138.60000°R
78K
140.40000°R
79K
142.20000°R