Temperature Converter
Convert between temperature scales
-260.927778
°C
rate：1 °R = -272.59444444 °C
Results in all units
22 °R| Unit | Symbol | Value |
|---|---|---|
| Common scales | ||
| Celsius | °C | -260.927778 |
| Fahrenheit | °F | -437.67 |
| Kelvin | K | 12.222222 |
| Rankine | °R | 22 |
| Réaumur | °Ré | -208.742222 |
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Temperature conversion is fundamental in weather forecasts, healthcare, and engineering. When watching US news, you convert Fahrenheit (°F) to Celsius (°C). In aerospace and low-temperature physics, Kelvin (K) is the standard for absolute temperature.
History & Background
Early thermometers lacked a unified scale. In 1714, Daniel Fahrenheit invented the mercury thermometer. In 1742, Swedish astronomer Anders Celsius proposed a centigrade scale based on the freezing and boiling points of water.
Conversion Details
Unlike length or weight, temperature conversion is not a simple ratio — it has an offset.
Common conversions: 0 °C = 32 °F, 100 °C = 212 °F, 0 °C = 273.15 K.