Convert Kelvin (K) to Rankine (°R) instantly. Enter any value — result updates live.
Converting Kelvin to Rankine is a common temperature conversion. One kelvin (K) equals 1.8 rankine (°R). Kelvin is the SI unit for thermodynamic temperature, used in physics and engineering.
This conversion is commonly needed for weather and travel planning, cooking and baking, scientific experiments. Rankine is an absolute temperature scale using Fahrenheit degree intervals, used in some US engineering applications.
To put kelvin in perspective: absolute zero (0 K). In rankine, common references include water freezes (491.67 °R).
0 Kelvin (absolute zero) is theoretically the lowest possible temperature, where all molecular motion stops. It has never been fully achieved in a laboratory.
The Rankine scale, proposed by Scottish engineer William Rankine in 1859, is essentially Fahrenheit shifted so 0 °R equals absolute zero — it's still used in some US thermodynamics and aerospace contexts.
People frequently convert between kelvin and rankine for:
| Kelvin (K) | Rankine (°R) |
|---|---|
| 1 K | 1.8 °R |
| 2 K | 3.6 °R |
| 5 K | 9 °R |
| 10 K | 18 °R |
| 15 K | 27 °R |
| 20 K | 36 °R |
| 25 K | 45 °R |
| 30 K | 54 °R |
| 50 K | 90 °R |
| 100 K | 180 °R |
| 200 K | 360 °R |
| 500 K | 900 °R |
| 1000 K | 1,800 °R |