°R → °C
Rankine to Celsius
Convert Rankine (°R) to Celsius (°C) instantly. Free, accurate, and works in your browser.
Conversion formula
°C = (°R × 5/9) - 273.15
491.67 °R = (491.67 × 5/9) - 273.15 = 0 °C
- Multiply Rankine by 5/9, then subtract 273.15
Converting Rankine to Celsius uses high-precision Kelvin as the intermediate scale.
Conversion table
| Rankine (°R) | Celsius (°C) |
|---|---|
| 0 | -273.15 |
| 491.67 | 0 |
| 500 | 4.6278 |
| 671.67 | 100 |
| 1000 | 282.4056 |
| 1800 | 726.85 |
Frequently asked questions
How do I convert Rankine to Celsius?
Enter a value in Rankine (°R) and read the Celsius (°C) result instantly. You can also use quick entry like "100 °R to °C".
Is this conversion accurate?
Yes. All conversions pass through Kelvin at full floating-point precision before display rounding.
Can I share a conversion link?
Yes. Use the Share button or copy the URL - your value is stored in the query string.