Convert Rankine to Celsius
Use our free online converter to easily convert from Rankine to Celsius. Get accurate conversions instantly.
Converting Rankine to Celsius
Converting Rankine to Celsius is important in engineering thermodynamics, particularly when translating American technical specifications to the international standard temperature scale.
Mathematical Relationship
The formula to convert Rankine to Celsius is: °C = (°R - 491.67) × 5/9. This involves scaling by the Celsius/Fahrenheit factor and adjusting for the different zero points.
Common Conversion Values
| Rankine | Celsius |
|---|---|
| 0 | -273.15 |
| 491.67 | 0 |
| 527.67 | 20 |
| 558.27 | 37 |
| 671.67 | 100 |
Unit Definitions
Rankine
The Rankine scale (symbol: °R) is an absolute temperature scale named after Scottish engineer William John Macquorn Rankine, who proposed it in 1859. The zero point of the Rankine scale is absolute zero, and a one-degree change in Rankine is equal to a one-degree change in Fahrenheit.
Celsius
The Celsius scale (symbol: °C) is a temperature scale used by the International System of Units (SI). It defines 0°C as the freezing point of water and 100°C as the boiling point of water at standard atmospheric pressure.
Historical Context
The Rankine scale was developed in 1859 by Scottish engineer William John Macquorn Rankine as an absolute temperature scale based on Fahrenheit degrees, similar to how the Kelvin scale relates to Celsius degrees.