Rankine to Celsius Converter
Convert degrees Rankine to degrees Celsius instantly with a temperature calculator built for science, weather, cooking, engineering, HVAC, and technical reference.
°R to °C Calculator
Enter a temperature value and the conversion updates automatically.
Result updates automatically.
°C = (°R - 491.67) × 5/9
How to Convert Rankine to Celsius
Temperature conversion is different from simple unit multiplication because Celsius, Fahrenheit, Kelvin, and Rankine use different zero points. This converter applies the correct offset formula and keeps a clear reference for checking results.
671.67 °R
100 °C
Formula
°C = (°R - 491.67) × 5/9
Reference scale
The calculator converts through Celsius internally for reliable offset-based temperature conversion.
Temperature Formula Notes
Use the calculator for automatic conversion or use these formula notes to verify the result manually.
Rankine to Celsius Converter FAQ
What is the formula?
°C = (°R - 491.67) × 5/9
Why is temperature conversion not just multiplication?
Temperature scales use different zero points, so most conversions need both a multiplier and an offset.
Can I reverse the conversion?
Yes. Use the swap button to reverse the selected temperature units and calculate the opposite direction.