Quick answer: 1 Rankine in Kelvin
1 °R equals 0.555556 K. Use the free calculator above for any value — it applies the exact Rankine–Kelvin formula with no signup needed.
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About Temperature Converter
The Temperature Converter converts between 4 different units, including Celsius, Fahrenheit, Kelvin, Rankine. The base unit is the Celsius, and every other unit on this page is defined as an exact multiple of it. Type any value into the calculator above to convert instantly — free, unlimited, no signup and nothing to install.
Common equivalents: 1 Celsius = 33.8 Fahrenheit, 274.15 Kelvin, 493.47 Rankine.
Last updated: 2026-09-15
Temperature conversion factors
| Unit | Symbol | Value in Celsius |
|---|---|---|
| Celsius | °C | 1 °C = 1 °C |
| Fahrenheit | °F | 1 °F = -17.222222 °C |
| Kelvin | K | 1 K = -272.15 °C |
| Rankine | °R | 1 °R = -272.594444 °C |
Worked Examples
See exactly how the conversion works with real numbers, step by step.
How much is 1 Rankine in Kelvin?
- Convert 1 °R with the Rankine–Kelvin formula
- 1 Rankine = 0.555556 Kelvin
How much is 10 Rankine in Kelvin?
- Convert 10 °R with the Rankine–Kelvin formula
- 10 Rankine = 5.555556 Kelvin
How much is 100 Rankine in Kelvin?
- Convert 100 °R with the Rankine–Kelvin formula
- 100 Rankine = 55.555556 Kelvin
Quick Conversion Reference Table
| Rankine (°R) | Kelvin (K) |
|---|---|
| 1 °R (Rankine) | 0.555556 K (Kelvin) |
| 2 °R (Rankine) | 1.111111 K (Kelvin) |
| 5 °R (Rankine) | 2.777778 K (Kelvin) |
| 10 °R (Rankine) | 5.555556 K (Kelvin) |
| 20 °R (Rankine) | 11.111111 K (Kelvin) |
| 50 °R (Rankine) | 27.777778 K (Kelvin) |
| 100 °R (Rankine) | 55.555556 K (Kelvin) |
| 500 °R (Rankine) | 277.777778 K (Kelvin) |
| 1000 °R (Rankine) | 555.555556 K (Kelvin) |
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How to Use This Converter
- Enter your value
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FAQ
How much is 1 Rankine in Kelvin?
1 Rankine = 0.555556 Kelvin.
How do I convert Rankine to Kelvin?
Enter your value in Rankine into the converter above and the result in Kelvin appears instantly. For reference, 1 °R equals 0.555556 K.
What is the formula for Rankine to Kelvin?
There is no single multiplier because this conversion uses an offset formula — see the formula card above. For example, 10 °R = 5.555556 K.
Is this Rankine to Kelvin converter free and accurate?
Yes. This Rankine to Kelvin converter is 100% free, uses the exact international conversion factor (0.555556), and works on any device with no signup.
How do I convert Kelvin back to Rankine?
Convert back with the inverse formula shown in the formula card above — or use our dedicated How Many Rankine in 1 Kelvin? page for instant results.
Do I need to download an app or sign up?
No. The converter runs entirely in your browser — nothing to install, no account, no fees. It even keeps working offline once the page has loaded.
Which Temperature units are supported?
This converter supports 4 units: Celsius, Fahrenheit, Kelvin, Rankine.