Reitontor: Temperature Unit Convertor

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Temperature unit conversion calculator


Kelvin
Celsius
Fahrenheit
Reaumur


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Reitontor


A tool to convert the temperature unit.

The Kelvin unit has the same magnitude as Celsius (1:1). This tool adds the Celsius value with the rounded constant of 273 to convert it to Kelvin, and subtract the Kelvin value with 273 to convert it to Celsius.

The input and output are rounded up to one decimal place

Ratio Summary:

K : C : F : Re = 5 ( +273 ) : 5 : 9 ( +32 ) : 4

K: Kelvin, C: Celsius, F: Fahrenheit, Re: Reaumur

Relationships:

Kelvin ➡️ Celsius
↳ KelvinValue - 273
Kelvin ➡️ Fahrenheit
↳ ( [KelvinValue - 273] × 9/5 ) + 32
Kelvin ➡️ Reaumur
↳ (KelvinValue - 273) × 4/5
Celsius ➡️ Kelvin
↳ CelsiusValue + 273
Celsius ➡️ Fahrenheit
↳ (CelsiusValue × 9/5) + 32
Celsius ➡️ Reaumur
↳ CelsiusValue × 4/5
Fahrenheit ➡️ Kelvin
↳ ( [FahrenheitValue - 32] × 5/9 ) + 273
Fahrenheit ➡️ Celsius
↳ (FahrenheitValue - 32) × 5/9
Fahrenheit ➡️ Reaumur
↳ (FahrenheitValue - 32) × 4/9
Reaumur ➡️ Kelvin
↳ (ReaumurValue × 5/4) + 273
Reaumur ➡️ Celsius
↳ ReaumurValue × 5/4
Reaumur ➡️ Fahrenheit
↳ (ReaumurValue × 9/4) + 32

Based on the ratio:

  • 0 °C = 0 °R.
  • -40 °C = -40 °F.
  • -25.6 °R = -25.6 °F.
  • -1092 °R = -1092 K.