1 Rankine to Kelvin
1 °R = 0.55555556 K. Change the amount below, or read the formula and the reference table further down.
1 Rankine equals
Kelvin
1 °R = 0.55555556 K
The formula
Rankine and Kelvin do not share a zero point, so the conversion needs an offset as well as a scale factor.
K = (°R × 0.55555556 − 273.15 + 273.15) ÷ 1
Going the other way? Convert Kelvin to Rankine.
Rankine to Kelvin table
Values either side of 1 °R.
| Rankine (°R) | Kelvin (K) |
|---|---|
| -4 | -2.2222 |
| -3.5 | -1.9444 |
| -3 | -1.6667 |
| -2.5 | -1.3889 |
| -2 | -1.1111 |
| -1.5 | -0.833333 |
| -1 | -0.555556 |
| -0.5 | -0.277778 |
| 0 | 0 |
| 0.5 | 0.277778 |
| 1 | 0.555556 |
| 1.5 | 0.833333 |
| 2 | 1.1111 |
| 2.5 | 1.3889 |
| 3 | 1.6667 |
| 3.5 | 1.9444 |
| 4 | 2.2222 |
| 4.5 | 2.5 |
| 5 | 2.7778 |
| 5.5 | 3.0556 |
| 6 | 3.3333 |
Questions people ask
- What is 1 °R in Kelvin?
- 1 °R is 0.55555556 K. The two scales have different zero points, so the gap between them is not a fixed ratio.
- How do I convert Rankine to Kelvin by hand?
- These scales have different zero points, so you cannot use a single multiplier. Apply K = (°R × 0.55555556 − 273.15 + 273.15) ÷ 1.
- What is 1 Rankine in Kelvin?
- 1 Rankine is 0.55555556 Kelvin.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.