🌡️ Temperature

Rankine to Kelvin Converter

Convert Rankine to Kelvin instantly: 1 Rankine = 0.555556 Kelvin. Free converter with the formula, a reference table and FAQs — no sign-up.

Quick answer: To convert Rankine to Kelvin, multiply by 0.555556. For example, 1 Rankine = 0.555556 Kelvin. Use the calculator below for any value.
Rankine to Kelvin
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Common conversions
Rankine Kelvin
Formula:

How to convert Rankine to Kelvin

1

Enter your value

Type the number of rankine you want to convert into the left box. The result in kelvin appears instantly in the right box. You can also type into the right box to convert in the other direction.

2

Use the swap button

Click the ⇄ Swap button to reverse the conversion — Kelvin to Rankine. Your current value carries across so you don't have to re-enter anything.

3

About Rankine and Kelvin

Rankine and Kelvin are common temperature measurements.

Worked examples: Rankine to Kelvin

Multiply the Rankine value by 0.555556 to get Kelvin. A few quick examples:

  • 5 Rankine × 0.555556 = 2.77778 Kelvin
  • 25 Rankine × 0.555556 = 13.8889 Kelvin
  • 250 Rankine × 0.555556 = 138.889 Kelvin
💡 Did you know?

°R ÷ 1.8 = K. 0 K = 0 °R (absolute zero in both). 459.67 °R = 255.37 K = -17.78°C = 0°F. Rankine is used in US thermodynamics where Fahrenheit is the common scale. It relates to Kelvin exactly as Fahrenheit relates to Celsius — same degree size, different zero point.

📊 Common conversions at a glance
Rankine Kelvin
0 0
459.67 255.4
491.67 273.2
527.67 293.2
671.67 373.2
671.67 373.2
Reviewed for 2026. Rankine ↔ Kelvin conversion factor verified against published reference data. Built by a UK-based qualified primary teacher and FA Level 2 coach as part of 247QuickTools' free utility-tools project.

Frequently asked questions

How do I convert Rankine to Kelvin?

To convert Rankine to Kelvin, multiply by 0.555556. Or use the calculator above for instant results.

How many Kelvin are in 1 Rankine?

1 Rankine equals 0.555556 Kelvin.

Is the Rankine to Kelvin converter free?

Yes, the Rankine to Kelvin converter is completely free with no sign-up required, no downloads, and it works offline once the page has loaded.