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Attention: Do not re-enter the exact number of a calculated answer.
At 0 K according to −273.15°C the thermal energy and thus the oscillatory motion of the electrons and particles
come to stop. Therefore there is no lower temperature than −273.15°C, even if that can be entered here.
All temperature conversion formulas and equations
| Conversion from |
to |
Formula 9/5 = 1.8 9/4 = 2.25 10/8 = 1.25 |
| Fahrenheit | Celsius | °C = (°F - 32) / 1.8 |
| Fahrenheit | kelvin | K = (°F + 459.67) / 1.8 |
| Fahrenheit | Rankine | °Ra = °F + 459.67 |
| Fahrenheit | Réaumur | °Re = (°F - 32) / 2.25 |
| Celsius | Fahrenheit | °F = °C × 1.8 + 32 |
| Celsius | kelvin | K = °C + 273.15 |
| Celsius | Rankine | °Ra = °C × 1.8 + 32 + 459.67 |
| Celsius | Réaumur | °Re = °C × 0.8 |
| kelvin | Celsius | °C = °K - 273.15 |
| kelvin | Fahrenheit | °F = °K × 1.8 - 459.67 |
| kelvin | Rankine | °Ra = °K × 1.8 |
| kelvin | Réaumur | °R = (°K - 273.15) × 0.8 |
| Rankine | Celsius | °C = (°Ra - 32 - 459.67) / 1.8 |
| Rankine | Fahrenheit | °F = °Ra - 459.67 |
| Rankine | kelvin | K = °Ra / 1.8 |
| Rankine | Réaumur | °Re = (°Ra - 32 - 459.67) / 2.25 |
| Réaumur | Celsius | °C = °Re × 1.25 |
| Réaumur | Fahrenheit | °F = °Re × 2.25 + 32 |
| Réaumur | kelvin | K = °Re × 1.25 + 273.15 |
| Réaumur | Rankine | °Ra = °Re × 2.25 + 32 + 459.67 |
Temperature conversion chart - table of comparison
| Celsius (°C) | kelvin (K) | Fahrenheit (°F) | Rankine (°Ra) | Réaumur (°R) |
| -273.15 | 0 | -459,67 | 0 | -218.52 |
| -17.78 | 255.37 | 0 | 459.67 | -14.22 |
| -10 | 263.15 | 14 | 473.67 | -8 |
| 0 | 273.15 | 32 | 491.67 | 0 |
| 5 | 278.15 | 41 | 500.67 | 4 |
| 10 | 283.15 | 50 | 509.67 | 8 |
| 15 | 288.15 | 59 | 518.67 | 12 |
| 20 | 293.15 | 68 | 527.67 | 16 |
| 25 | 298.15 | 77 | 536.67 | 20 |
| 30 | 303.15 | 86 | 545.67 | 24 |
| 37 | 310.15 | 98,6 | 558.67 | 29.6 |
| 37.78 | 310.93 | 100 | 559.67 | 30.22 |
| 100 | 373.15 | 212 | 671.67 | 80 |
| 125 | 398.15 | 257 | 716.67 | 100 |
Fahrenheit to Celsius Conversion Table
°F °C °F °C °F °C °F °C 125 51.6 83 28.3 41 5.0 -1 -18.3 124 51.1 82 27.8 40 4.4 -2 -18.9 123 50.5 81 27.2 39 3.9 -3 -19.4 122 50.0 80 26.6 38 3.3 -4 -20.0 121 49.4 79 26.1 37 2.8 -5 -20.5 120 48.8 78 25.5 36 2.2 -6 -21.1 119 48.3 77 25.0 35 1.7 -7 -21.6 118 47.7 76 24.4 34 1.1 -8 -22.2 117 47.2 75 23.9 33 0.6 -9 -22.8 116 46.6 74 23.3 32 0.0 -10 -23.3 115 46.1 73 22.8 31 -0.6 -11 -23.9 114 45.5 72 22.2 30 -1.1 -12 -24.4 113 45.0 71 21.6 29 -1.7 -13 -25.0 112 44.4 70 21.1 28 -2.2 -14 -25.5 111 43.8 69 20.5 27 -2.8 -15 -26.1 110 43.3 68 20.0 26 -3.3 -16 -26.6 109 42.7 67 19.4 25 -3.9 -17 -27.2 108 42.2 66 18.9 24 -4.4 -18 -27.8 107 41.6 65 18.3 23 -5.0 -19 -28.3 106 41.1 64 17.8 22 -5.6 -20 -28.9 105 40.5 63 17.2 21 -6.1 -21 -29.4 104 40.0 62 16.7 20 -6.7 -22 -30.0 103 39.4 61 16.1 19 -7.2 -23 -30.5 102 38.9 60 15.5 18 -7.8 -24 -31.1 101 38.3 59 15.0 17 -8.3 -25 -31.6 100 37.7 58 14.4 16 -8.9 -26 -32.2 99 37.2 57 13.9 15 -9.4 -27 -32.7 98 36.6 56 13.3 14 -10.0 -28 -33.3 97 36.1 55 12.8 13 -10.5 -29 -33.9 96 35.5 54 12.2 12 -11.1 -30 -34.4 95 35.0 53 11.7 11 -11.7 -31 -35.0 94 34.4 52 11.1 10 -12.2 -32 -35.5 93 33.9 51 10.5 9 -12.8 -33 -36.1 92 33.3 50 10.0 8 -13.3 -34 -36.6 91 32.7 49 9.4 7 -13.9 -35 -37.2 90 32.2 48 8.9 6 -14.4 -36 -37.7 89 31.6 47 8.3 5 -15.0 -37 -38.3 88 31.1 46 7.8 4 -15.5 -38 -38.9 87 30.5 45 7.2 3 -16.1 -39 -39.4 86 30.0 44 6.7 2 -16.7 -40 -40.0 85 29.4 43 6.1 1 -17.2 84 28.9 42 5.6 0 -17.8
| The degree centigrade (°C) was officially renamed Celsius in 1948 to avoid confusion with the angular measure known as the centigrade (one hundredth of a grade). |
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