A number line comparing temperatures in Celsius and Fahrenheit.

Learn about the two main temperature scales, Celsius and Fahrenheit, and how to convert temperature from one to another. View two conversion examples and a chart of typical temperatures, and use the conversion tool.

Enter either Fahrenheit or Celsius temperature for conversion.

Enter either Fahrenheit or Celsius temperature for conversion.

This site contains defines temperature and how it is expressed in the metric system, with degrees Celsius.

A resource for converting between five different temperature scales. Also provides the formulas and the temperature scale ranges.

[Free Registration/Login may be required to access all resource tools.] In this online tutorial students will begin to identify the seven base units of the International System of Units. They will understand the commonly used metric...

[Free Registration/Login may be required to access all resource tools.] In this interactive tutorial students will learn the physics definition of temperature, how temperature is measured and how to convert the units of temperature...

An image of Anders Celsius.

An interactive thermometer shows temperature in both Celsius and Fahrenheit and "translates" the temperature you choose into real life situations, like "Fun in the Snow," "Nice Sunny Day," or "Boiling Water."

A lengthy account of the life and work of Anders Celsius. Describes his studies of astronomy and his development of the Celsius temperature scale.

A lengthy account of the life and work of Anders Celsius. Describes his studies of astronomy and his development of the Celsius temperature scale.

A lengthy account of the life and work of Anders Celsius. Describes his studies of astronomy and his development of the Celsius temperature scale.

A lengthy account of the life and work of Anders Celsius. Describes his studies of astronomy and his development of the Celsius temperature scale.

This article explores the Fahrenheit and Celsius temperature scales. It lists their boiling and freezing points, and conversion from one to the other.

Graphic compares boiling point, freezing point, and absolute zero for the Fahrenheit and Celsius scales.

The Kelvin, Celsius and Fahrenheit temperature scales are discussed. Site lists and explains formulas for converting between the different scales.

The difference between heat and temperature is explained, followed by a discussion of temperature and its relation to global climate change. Gallileo Galilee, Daniel Gabriel Fahrenheit, Anders Celsius, and Carl Linnaeus are mentioned in...

[Free Registration/Login Required] Use the linear equation graph to convert temperatures from Celsius to Fahrenheit. After the activity, answer the challenge question to check for understanding.

A page describing the concept of temperature and temperature scales. An interactive JavaScript form allows the visitor to investigate the relationship between the Kelvin, Celsius and Fahrenheit scales; enter a value and allow the...

In this activity, students collect Celsius and Fahrenheit temperature data for various cities across the world. They develop and test a mathematical relationship between the two temperature scales.

In this activity, students learn to convert temperature readings on the Fahrenheit scale to temperature readings on the Celsius scale.

In this activity, students will collect data for a range of temperatures in units of Fahrenheit and Celsius, and develop a conversion formula for changing from one unit to the other.

In this activity, students learn how to convert measures of temperature between the three different scales - Fahrenheit, Celsius and Kelvin. The history and uses of each are very briefly explained as well.