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Temperature Converter – 5 units of temperature

Convert temperature between °C, °F, K, °R and more – exact and instant.

1 °C = 33.8 °F

Formula: °F = °C × 1.8 + 32

Common values
Decimals
In every unit 5 units
Degree Celsius (°C) 1 °C
Degree Fahrenheit (°F) 33.8 °F
Kelvin (K) 274.15 K
Degree Rankine (°R) 493.47 °R
Degree Réaumur (°Ré) 0.8 °Ré

Convert on our server?

If you continue, the file is uploaded over an encrypted connection and converted on our server. You can keep using the site meanwhile. The original is deleted as soon as it is converted; the result is kept for 6 hours so you can download it, and you can delete it at any time. Files are never shared or used for anything else.

Calculated in your browser – nothing you type is sent anywhere. Privacy details

Units of temperature

Degree Celsius (°C)SI (metric) unit1 °C = 274.15 K
Degree Fahrenheit (°F)imperial and US customary unit1 °F = 255.9277778 K
Kelvin (K)SI (metric) unit
Degree Rankine (°R)unit1 °R = 0.5555555556 K
Degree Réaumur (°Ré)unit1 °Ré = 274.4 K

How to use: Temperature Converter

  1. 1 Pick the unit you have and the unit you need.
  2. 2 Type the value – the result in the other unit appears at once (type in the result field to convert back).
  3. 3 Use a common value, set the decimals or swap the units with one click.
  4. 4 Open “In every unit” to see the value in all 5 units of temperature.

About this tool

Temperature is measured in degrees Celsius in most countries, in degrees Fahrenheit in the United States and in kelvins in science. Because the scales start at different zero points, converting needs a formula, not just a factor.

Here every value is converted through the kelvin (K). Choose any two of the 5 units below the converter, or start from one of the popular conversions.

Calculated in your browser – nothing you type is sent anywhere.

Frequently asked questions

Which units of temperature can I convert?

Degree Celsius (°C), Degree Fahrenheit (°F), Kelvin (K), Degree Rankine (°R) and Degree Réaumur (°Ré).

Which temperature conversions are used most?

1 °C = 33.8 °F; 1 °C = 274.15 K; 1 °F = 255.9277778 K; 1 °F = 460.67 °R.

How exact is the converter?

Each unit is defined by its official value in K, so conversions are exact up to the 10 significant digits shown; you can round to 0–6 decimals.

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