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Temperature interval converter
A DIFFERENCE in temperature, not a reading — which is why it converts by a plain factor. 5 units, converted from one table of exact factors.
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1 kelvin in every other temperature interval unit
Computed by the same engine that runs the converter above, so these can never drift apart from it.
| From | Equals | Unit |
|---|---|---|
| 1 kelvin | 1 | degree Celsius (°C) |
| 1 kelvin | 1.8 | degree Fahrenheit (°F) |
| 1 kelvin | 1.8 | degree Rankine (°R) |
| 1 kelvin | 0.8 | degree Reaumur (°Ré) |
What each unit actually is
Most converters give you a number and stop. Where a figure is exact by definition we say so, and where it is an average or shifts with conditions we say that too — that is usually the thing you needed to know.
| Unit | Symbol | What it actually is |
|---|---|---|
| kelvin | K | A one-kelvin rise is a one-degree-Celsius rise. Identical size. |
| degree Celsius | °C | Exactly the same size as a kelvin. |
| degree Fahrenheit | °F | Five ninths of a kelvin. |
| degree Rankine | °R | Same size as a Fahrenheit degree. |
| degree Reaumur | °Ré | An old scale with 80 degrees between freezing and boiling. |
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