Convert Rankine to Celsius

Simple, fast and user-friendly online tool to convert Rankine to Celsius ( °R to °C ) vice-versa and other Temperature related units. Learn and share how to convert Rankine to Celsius ( °R to °C ). Click to expand short unit definition.

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   Rankine (°R) =    Celsius (°C)

What is Rankine ?

Rankine (°R) is a unit of temperature measurement used in engineering and thermodynamics, particularly in the United States. It is named after the Scottish engineer and physicist William Rankine.

To understand Rankine:
- The Rankine scale is similar to the Fahrenheit scale but uses absolute zero as its starting point. Absolute zero, the lowest theoretically possible temperature, is defined as 0 Rankine (0 °R).
- Rankine and Fahrenheit scales have the same degree increments, so a temperature difference of 1 °R is equal to a temperature difference of 1 °F.

In everyday terms, Rankine is primarily used in engineering fields where the Fahrenheit scale is used, such as in aerospace, refrigeration, and HVAC (Heating, Ventilation, and Air Conditioning). It provides a way to measure and calculate temperature differences and energy transfers in these applications.

To convert temperatures between Rankine and Fahrenheit:
- To convert from Rankine to Fahrenheit: °F = °R - 459.67
- To convert from Fahrenheit to Rankine: °R = °F + 459.67

Understanding Rankine is important for engineers and technicians who work with temperature-sensitive systems and processes, particularly in industries where precise temperature control and measurement are critical. It allows for accurate calculations and ensures consistency in temperature references across different applications in engineering and thermodynamics.


What is Celsius ?

Celsius (°C) is a unit of measurement for temperature in the metric system. It is named after the Swedish astronomer Anders Celsius, who proposed the scale in 1742. The Celsius scale is widely used worldwide, except in the United States where Fahrenheit is more commonly used.

To understand Celsius:
- Water freezes at 0°C and boils at 100°C at standard atmospheric pressure (sea level).
- The Celsius scale is divided into 100 equal parts between the freezing and boiling points of water.

In everyday terms, Celsius is used to measure the temperature of the air, water, and many other substances. It provides a straightforward way to understand temperature changes and weather forecasts. For example, room temperature is typically around 20-25°C, while a hot summer day might reach 30°C or higher.

Celsius is based on the properties of water, making it a practical scale for scientific and everyday use. It is easy to convert between Celsius and Kelvin (another temperature scale used in scientific contexts) because they share the same size of degree. Understanding Celsius is essential for weather reporting, cooking, climate studies, and everyday activities where temperature plays a crucial role.

List of Temperature conversion units
Celsius Fahrenheit Kelvin Rankine