Rankine to Celsius (°R to °C)
Free online rankine to celsius converter. Type a value, get an instant exact result — plus the formula, a ready-made conversion table, and reverse conversion.
TEMPERATURE CONVERTER — INSTANT RESULT
Formula: °C = (°R − 491.67) × 5/9
Rankine to Celsius conversion table
| Rankine (°R) | Celsius (°C) |
|---|---|
| 1 °R | -272.59444444 °C |
| 2 °R | -272.03888889 °C |
| 3 °R | -271.48333333 °C |
| 4 °R | -270.92777778 °C |
| 5 °R | -270.37222222 °C |
| 6 °R | -269.81666667 °C |
| 7 °R | -269.26111111 °C |
| 8 °R | -268.70555556 °C |
| 9 °R | -268.15 °C |
| 10 °R | -267.59444444 °C |
| 15 °R | -264.81666667 °C |
| 20 °R | -262.03888889 °C |
| 25 °R | -259.26111111 °C |
| 30 °R | -256.48333333 °C |
| 40 °R | -250.92777778 °C |
| 50 °R | -245.37222222 °C |
| 75 °R | -231.48333333 °C |
| 100 °R | -217.59444444 °C |
| 250 °R | -134.26111111 °C |
| 500 °R | 4.62777778 °C |
| 1,000 °R | 282.40555556 °C |
How to convert rankine to celsius
Temperature scales have different zero points, so use the formula shown: °C = (°R − 491.67) × 5/9.
Convert between Celsius, Fahrenheit, Kelvin, Rankine and Réaumur temperature scales. Temperature conversion uses affine formulas rather than multiplication because the scales have different zero points.
Frequently asked questions
How many celsius are in one rankine?
Use the converter above — enter 1 in the value field and select Rankine → Celsius.
How do I convert °R to °C?
Enter your value above and choose Rankine as the source and Celsius as the target unit.
Is this °R to °C converter free?
Yes — every ToolsEngg converter is free, runs entirely in your browser, and requires no sign-up.