Use this free, accurate rankine scale [°ra] to kelvin [k] calculator to convert between Rankine Scale [°Ra] (°Ra) and Kelvin [K] (K). Includes live instant results, complete mathematical formulas, conversion tables, and step-by-step examples.
0.5555555556 Kelvin
1 °Ra is equal to 0.555556 K.
1 Rankine Scale [°Ra] → -272.5944 °C → 0.5556 Kelvin [K]
temperature Converters
To convert from Rankine Scale [°Ra] to Kelvin [K], multiply the value in Rankine Scale [°Ra] by 0.555556 (or use the formula: K = °Ra × 0.555556).
Take your initial measurement in Rankine Scale [°Ra] (°Ra). For instance, let's convert 1 °Ra.
Multiply by the standard conversion factor (0.555556).
The final converted measurement equals 0.555556 Kelvin [K] (K).
Compare standard reference values and common conversion benchmarks.
| Rankine Scale [°Ra] (°Ra) | Kelvin [K] (K) | Action |
|---|---|---|
| -40 °Ra | -22.22222 K | |
| -20 °Ra | -11.11111 K | |
| -10 °Ra | -5.55556 K | |
| 0 °Ra | 0 K | |
| 10 °Ra | 5.55556 K | |
| 20 °Ra | 11.11111 K | |
| 25 °Ra | 13.88889 K | |
| 30 °Ra | 16.66667 K | |
| 37 °Ra | 20.55556 K | |
| 50 °Ra | 27.77778 K | |
| 75 °Ra | 41.66667 K | |
| 100 °Ra | 55.55556 K | |
| 180 °Ra | 100 K | |
| 212 °Ra | 117.77778 K |
Official standards, measurement systems, and real-world everyday applications.
Rankine is an absolute temperature scale that uses Fahrenheit degrees, where zero is absolute zero.
Common Practical Uses
Kelvin is an absolute temperature scale used in science and engineering.
Common Practical Uses
Calculate from Kelvin [K] (K) back to Rankine Scale [°Ra] (°Ra).
Frequently used unit conversions in this category:
Explore other measurement and calculation tools:
There are 0.555556 kelvins in 1 degrees Rankine. Exactly 1 °Ra is equal to 0.555556 K.
The conversion formula is: Kelvin [K] = 1 Rankine Scale [°Ra] → -272.5944 °C → 0.5556 Kelvin [K]. Applying this to 1 °Ra gives: 1 × 0.555556 = 0.555556 K.
To convert in reverse from kelvins to degrees Rankine, multiply by the inverse factor: 1 K = 1.8 °Ra. Alternatively, divide your Kelvin [K] amount by 0.555556.
To calculate in your head, round the conversion multiplier (0.56) to the nearest easy whole or decimal number.
Rankine Scale [°Ra] (°Ra) belongs to the Imperial and US customary system, commonly used in Thermodynamics, Aerospace engineering, Thermal engineering. In comparison, Kelvin [K] (K) is part of the SI system, frequently applied in Scientific research, Thermodynamics.
Key milestones include: 1 °Ra = 0.555556 K, 5 °Ra = 2.7778 K, 10 °Ra = 5.5556 K, 50 °Ra = 27.7778 K, and 100 °Ra = 55.5556 K.