Temperature Unit Converter

Just enter the temperature value in any of the textbox and select unit type

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Temperature Unit Converter Tool

Temperature Unit Converter and Calculator

Use this temperature converter to convert instantly between Celsius (°C), Fahrenheit (°F), Kelvin (K), Rankine (°R), Réaumur (°Re) and other metric and imperial temperature units and vice versa.

Supported Temperature Conversion

  • Celsius (°C)
  • Fahrenheit (°F)
  • Kelvin (K)
  • Rankine (°R)
  • Réaumur (°Re)

Temperature Scale Formula And Equations

The following temperature conversion formulas are used to convert from one temperature scale to another.

From To Formula
Formula Conversion Factors
9/5 = 1.8; 9/4 = 2.25; 10/8 = 1.25
Celsius (°C) Fahrenheit (°F) °F = °C × 1.8 + 32
Celsius (°C) Kelvin (K) K = °C + 273.15
Celsius (°C) Rankine (°R) °R = °C × 1.8 + 32 + 459.67
Celsius (°C) Réaumur (°Re) °Re = °C × 0.8
Fahrenheit (°F) Celsius (°C) °C = (°F - 32) / 1.8
Fahrenheit (°F) Kelvin (K) K = (°F + 459.67) / 1.8
Fahrenheit (°F) Rankine (°R) °R = °F + 459.67
Fahrenheit (°F) Réaumur (°Re) °Re = (°F - 32) / 2.25
Kelvin (K) Celsius (°C) °C = K - 273.15
Kelvin (K) Fahrenheit (°F) °F = K × 1.8 - 459.67
Kelvin (K) Rankine (°R) °R = K × 1.8
Kelvin (K) Réaumur (°Re) °R = (K - 273.15) × 0.8
Rankine (°R) Celsius (°C) °C = (°R - 32 - 459.67) / 1.8
Rankine (°R) Fahrenheit (°F) °F = °R - 459.67
Rankine (°R) Kelvin (K) K = °R / 1.8
Rankine (°R) Réaumur (°Re) °Re = (°R - 32 - 459.67) / 2.25
Réaumur (°Re) Celsius (°C) °C = °Re × 1.25
Réaumur (°Re) Fahrenheit (°F) °F = °Re × 2.25 + 32
Réaumur (°Re) Kelvin (K) K = °Re × 1.25 + 273.15
Réaumur (°Re) Rankine (°R) °R = °Re × 2.25 + 32 + 459.67

Useful Temperature Facts

  • Celsius and Fahrenheit are the same at -40°.
  • Water boils at 100 °C or 212 °F.
  • Water freezes at 0 °C and 32 °F.
  • Absolute zero is 0 K.
  • Celsius and Fahrenheit are degree scales. The degree symbol is not used to report temperature using the Kelvin scale.

Temperature Scale Ranges

Scale Factor Celsius (°C) Réaumur (°Re) Fahrenheit (°F) Kelvin (K) Rankine (°R)
Boiling point of water at 1 atmosphere 100 80 212 373.15 671.67
Freezing point of water at 1 atmosphere 0 0 32 273.15 491.67

How to use the Online Temperature Unit Converter?

  1. Browse or open Online Temperature Unit Converter - https://www.onlinewebtoolkit.com/temperature-converter
  2. Just enter the temperature value in any of the textbox and select unit type
  3. This tool will calculate and display result in other textbox on the fly.

Useful Features of Our Online Temperature Unit Converter

Free and Simple to Use

The use of this tool comes at no cost, and it's effortless to use. With the simple set of instructions provided, you'll be able to view and run codes easily.

Compatibility

This tool is a cloud-based utility and supported by all operating systems, including iOS, Android, Windows, and Mac OS, allowing you to access and use it for viewing HTML files from any device.

No Plugin Installation Needed

You can access this tool through the web browser of your device without having to install any plugins. This HTML viewer operates without the need for any plugins, making it convenient to use.

Speedy and Secure

The tool displays results on the user's screen in mere seconds, and it's a secure online utility that doesn't save any data entered or uploaded by users in its databases.

Accessible from Everywhere

You can access our tool from anywhere in the world as long as you have an internet connection. Simply connect your device to the internet, and you'll be able to use and access this code viewer.

Privacy of Users’ Data

At OnlineWebToolKit, we offer a variety of online tools, including an Online Temperature Unit Converter, and we take the privacy of our users' data very seriously. With so many online scams, many people are concerned about their sensitive information being compromised when using online tools. However, our website provides a secure and safe tool that prevents hackers from accessing or intentionally sharing users' information with third parties. The text you input into our tool is only stored temporarily on the client side within your browser until the formatting process is complete. Once the results are displayed or you refresh or close the browser, your data is deleted from our site.

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