Convert Rankine to Celsius
1 °R = -272.59 °C. Change the amount below, or read the formula and the reference table further down.
1 Rankine equals
Celsius
1 °R = -272.59 °C
The formula
Rankine and Celsius do not share a zero point, so the conversion needs an offset as well as a scale factor.
°C = (°R × 0.55555556 − 273.15 − 0) ÷ 1
Going the other way? Convert Celsius to Rankine.
Rankine to Celsius table
Common values, rounded for reading.
| Rankine (°R) | Celsius (°C) |
|---|---|
| 1 | -272.59 |
| 2 | -272.04 |
| 3 | -271.48 |
| 4 | -270.93 |
| 5 | -270.37 |
| 6 | -269.82 |
| 7 | -269.26 |
| 8 | -268.71 |
| 9 | -268.15 |
| 10 | -267.59 |
| 15 | -264.82 |
| 20 | -262.04 |
| 25 | -259.26 |
| 30 | -256.48 |
| 40 | -250.93 |
| 50 | -245.37 |
| 75 | -231.48 |
| 100 | -217.59 |
| 250 | -134.26 |
| 500 | 4.6278 |
| 1,000 | 282.41 |
Questions people ask
- What is 1 °R in Celsius?
- 1 °R is -272.59 °C. The two scales have different zero points, so the gap between them is not a fixed ratio.
- How do I convert Rankine to Celsius by hand?
- These scales have different zero points, so you cannot use a single multiplier. Apply °C = (°R × 0.55555556 − 273.15 − 0) ÷ 1.
- What is 1 Rankine in Celsius?
- 1 Rankine is -272.59 Celsius.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.