Rømer to Réaumur calculator

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How to use it?

To use the calculator, place your cursor in the desired unit field and write a number.The calculator will automatically convert your number and display the result in the other unit fields. If needed use the dot "." as the decimal separator.

Rounding: 
°Rø
°R

Rømer to Réaumur formula

Réaumur to Rømer formula

Rømer
Rømer

The Rømer scale is a temperature scale named after the Danish astronomer Ole Christensen Rømer, who proposed it in 1701. It is based on the freezing point of pure water being 7.5 degrees and the boiling point of water as 60 degrees. In this scale, the zero was initially set using freezing brine. The boiling point of water was defined as 60 degrees. Rømer then saw that the freezing point of pure water was roughly one eighth of the way (about 7.5 degrees) between these two points, so he redefined the lower fixed point to be the freezing point of water at precisely 7.5 degrees. This did not greatly change the scale but made it easier to calibrate by defining it by reference to pure water.

Source: Wikipedia

Réaumur
Réaumur

The Réaumur scale (°Ré, °Re, °r), also known as the "octogesimal division", is a temperature scale for which the freezing and boiling points of water are defined as 0 and 80 degrees respectively. The scale is named for René Antoine Ferchault de Réaumur, who first proposed a similar scale in 1730. Réaumur’s thermometer contained diluted alcohol (ethanol) and was constructed on the principle of using 0° for the freezing temperature of water, and graduating the tube into degrees, each of which was one-thousandth of the volume contained by the bulb and tube up to the zero mark.

Source: Wikipedia


Rømer to Réaumur Conversion Table

Below you can generate and download as CSV, Excel, PDF or print the Rømer to Réaumur conversion table based on your needs.

Selected rounding: none (You can change it above in the dropdown)

From:
To:
Increment:
°Rø °R °Rø °R °Rø °R °Rø °R
1 -9.9047619047619 26 28.190476190476 51 66.285714285714 76 104.38095238095
2 -8.3809523809524 27 29.714285714286 52 67.809523809524 77 105.90476190476
3 -6.8571428571429 28 31.238095238095 53 69.333333333333 78 107.42857142857
4 -5.3333333333333 29 32.761904761905 54 70.857142857143 79 108.95238095238
5 -3.8095238095238 30 34.285714285714 55 72.380952380952 80 110.47619047619
6 -2.2857142857143 31 35.809523809524 56 73.904761904762 81 112
7 -0.76190476190476 32 37.333333333333 57 75.428571428571 82 113.52380952381
8 0.76190476190476 33 38.857142857143 58 76.952380952381 83 115.04761904762
9 2.2857142857143 34 40.380952380952 59 78.47619047619 84 116.57142857143
10 3.8095238095238 35 41.904761904762 60 80 85 118.09523809524
11 5.3333333333333 36 43.428571428571 61 81.52380952381 86 119.61904761905
12 6.8571428571429 37 44.952380952381 62 83.047619047619 87 121.14285714286
13 8.3809523809524 38 46.47619047619 63 84.571428571429 88 122.66666666667
14 9.9047619047619 39 48 64 86.095238095238 89 124.19047619048
15 11.428571428571 40 49.52380952381 65 87.619047619048 90 125.71428571429
16 12.952380952381 41 51.047619047619 66 89.142857142857 91 127.2380952381
17 14.47619047619 42 52.571428571429 67 90.666666666667 92 128.7619047619
18 16 43 54.095238095238 68 92.190476190476 93 130.28571428571
19 17.52380952381 44 55.619047619048 69 93.714285714286 94 131.80952380952
20 19.047619047619 45 57.142857142857 70 95.238095238095 95 133.33333333333
21 20.571428571429 46 58.666666666667 71 96.761904761905 96 134.85714285714
22 22.095238095238 47 60.190476190476 72 98.285714285714 97 136.38095238095
23 23.619047619048 48 61.714285714286 73 99.809523809524 98 137.90476190476
24 25.142857142857 49 63.238095238095 74 101.33333333333 99 139.42857142857
25 26.666666666667 50 64.761904761905 75 102.85714285714 100 140.95238095238

  • Réaumur (1.25 °C)
    The Réaumur scale (°Ré, °Re, °r), also known as the "octogesimal division", is a temperature scale for which the freezing and boiling points of water are defined as 0 and 80 degrees respectively. The scale is named for René Antoine Ferchault de Réaumur, who first proposed a similar scale in 1730.
  • Rømer (-12.38 °C)
    The Rømer scale (Danish pronunciation: [ˈʁœːˀmɐ]; also Roemer) is a temperature scale named after the Danish astronomer Ole Christensen Rømer, who proposed it in 1701. It is based on the freezing point of pure water being 7.5 degrees and the boiling point of water as 60 degrees.
Tags Rømer to Réaumur °Rø to °R Rømer °Rø Réaumur °R converter calculator conversion table

Temperature

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Réaumur to Delisle
Réaumur to Newton
Réaumur to Celsius
Réaumur to Rømer
Réaumur to Fahrenheit
Réaumur to Kelvin
Réaumur to Rankine