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Temperature Converter

Convert between temperature scales

-17.222222 °C

rate:1 °F = -17.22222222 °C

Results in all units

1 °F
Unit Symbol Value
Common scales
Celsius°C-17.222222
Fahrenheit°F1
KelvinK255.927778
Rankine°R460.67
Réaumur°Ré-13.777778

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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.