Temperature Converter

Convert between temperature scales

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87.777778 °C

rate：1 °F = -17.22222222 °C

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Results in all units

190 °F

Unit	Symbol	Value
Common scales
Celsius	°C	87.777778
Fahrenheit	°F	190
Kelvin	K	360.927778
Rankine	°R	649.67
Réaumur	°Ré	70.222222

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190 Fahrenheit → 87.777778 Celsius 🌡️ Temperature 42 Réaumur → 52.5 Celsius 🌡️ Temperature 23 Rankine → -260.372222 Celsius 🌡️ Temperature

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Common Scenarios

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.