Kelvin to Rankine Converter
Convert between Kelvin and Rankine temperature scales with this accurate, easy-to-use calculator. See step-by-step calculations and reference points for common temperatures.
K
Absolute zero: 0 K
Water freezes: 273.15 K
Water boils: 373.15 K
°R
Absolute zero: 0 °R
Water freezes: 491.67 °R
Water boils: 671.67 °R
Conversion Formulas
°R = K × (9/5)
To convert Kelvin to Rankine, multiply the Kelvin temperature by 9/5 (or 1.8).
Absolute Zero
0 K
0 °R
Theoretical minimum temperature
Water Freezes
273.15 K
491.67 °R
Freezing point of water
Room Temperature
293.15 K
527.67 °R
Standard room temperature
Water Boils
373.15 K
671.67 °R
Boiling point of water
Temperature Comparison
Absolute Zero
Freezing
Room Temp
Boiling
| Scale | Temperature | Key Points |
|---|---|---|
| Kelvin (K) | – | Absolute scale, no negative values |
| Rankine (°R) | – | Fahrenheit equivalent of Kelvin scale |
| Conversion Factor | – | 9/5 or 1.8 (exact ratio) |
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