Celsius to Rankine (°C to °R) Converter
1 Celsius equals 493.47 Rankine (1 °C = 493.47 °R). Convert Celsius to Rankine with formula, table, and examples.
To convert Celsius to Rankine, multiply by 9/5 and add 491.67. The Rankine scale is an absolute temperature scale using Fahrenheit-sized degrees. This conversion is used in American engineering thermodynamics where absolute temperatures in Fahrenheit-based units are required.
How to Convert Celsius to Rankine
- Add 273.15 to Celsius
- Multiply by 9/5
- Read the result in Rankine
Common Celsius to Rankine Conversions
| Celsius (°C) | Rankine (°R) | Status |
|---|---|---|
| -40 °C | 419.67 °R | |
| -20 °C | 455.67 °R | |
| -10 °C | 473.67 °R | |
| 0 °C | 491.67 °R | |
| 5 °C | 500.67 °R | |
| 10 °C | 509.67 °R | |
| 15 °C | 518.67 °R | |
| 20 °C | 527.67 °R | |
| 25 °C | 536.67 °R | |
| 30 °C | 545.67 °R | |
| 36 °C | 556.47 °R | |
| 37 °C | 558.27 °R | |
| 40 °C | 563.67 °R | |
| 50 °C | 581.67 °R | |
| 60 °C | 599.67 °R | |
| 80 °C | 635.67 °R | |
| 100 °C | 671.67 °R | |
| 150 °C | 761.67 °R | |
| 180 °C | 815.67 °R | |
| 200 °C | 851.67 °R | |
| 220 °C | 887.67 °R | |
| 250 °C | 941.67 °R | |
| 300 °C | 1,031.67 °R | |
| 500 °C | 1,391.67 °R | |
| 1,000 °C | 2,291.67 °R |
Good to Know About Celsius to Rankine Conversion
Rankine is essentially 'Kelvin for Fahrenheit users'. It exists almost solely in American engineering education and some legacy industrial specifications.
Celsius to Rankine: What You Need to Know
Room temperature of 20°C equals 527.67°R. Water freezes at 491.67°R (0°C) and boils at 671.67°R (100°C). This conversion combines the Celsius-to-Fahrenheit conversion with the Fahrenheit-to-Rankine offset, but can be done in one step.
What is a Celsius? °C
A metric temperature scale where 0°C is the freezing point and 100°C is the boiling point of water. Used worldwide except in the US.
Learn more about Celsius →What is a Rankine? °R
An absolute temperature scale using Fahrenheit-sized degrees. 0 °R equals absolute zero. Used in some US engineering applications, especially thermodynamics.
Learn more about Rankine →Going the other way? Use our Rankine to Celsius converter.
Celsius to Rankine FAQ
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The formula is: °R = (°C × 9/5) + 491.67. Alternatively, convert to kelvin first (add 273.15), then multiply by 9/5. Both methods give the same result.
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0°C equals exactly 491.67°R. This is the freezing point of water expressed on the Rankine absolute temperature scale.
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This conversion is used in American engineering, particularly in thermodynamic calculations involving the ideal gas law, Carnot efficiency, and combustion analysis where Fahrenheit-sized absolute temperatures are standard.
Non-Frequently Asked Questions About Celsius to Rankine
Questions nobody should ask - but someone did.
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Basically nobody else. Rankine is Fahrenheit's absolute scale, just as Kelvin is Celsius's absolute scale. American thermodynamics textbooks use it. Everyone else uses Kelvin. Rankine is the imperial system's last stand in thermodynamics.
Related Articles About Celsius to Rankine
Need the reverse? Use our Rankine to Celsius converter. See all Temperature converters.