Convert Rankine to Fahrenheit

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

Please select a valid country.
Clear input
   Rankine (°R) =    Fahrenheit (°F)

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 Fahrenheit ?

Fahrenheit (°F) is a unit of measurement for temperature primarily used in the United States and a few other countries. It is named after the physicist Daniel Gabriel Fahrenheit, who invented the scale in the early 18th century.

To understand Fahrenheit:
- Water freezes at 32°F and boils at 212°F at standard atmospheric pressure (sea level).
- The Fahrenheit scale is divided into 180 equal parts between the freezing and boiling points of water.

In everyday terms, Fahrenheit is used to measure the temperature of the air, weather forecasts, cooking, and human body temperature. For example, room temperature is typically around 68-72°F, while a hot summer day might reach 90°F or higher.

Fahrenheit is based on arbitrary points chosen by Daniel Fahrenheit, unlike Celsius which is based on the properties of water. Despite being less commonly used globally compared to Celsius, Fahrenheit remains prevalent in the United States and is often used in weather reporting and everyday temperature measurements.

Understanding Fahrenheit is important for those living in countries where it is used, as it provides a familiar scale for assessing temperature changes and making decisions about clothing, heating, and cooling. It's also useful in international contexts where Fahrenheit measurements may be encountered, such as in aviation or trade.

List of Temperature conversion units
Celsius Fahrenheit Kelvin Rankine