Kelvin to Rankine Converter
Convert Kelvin to Rankine (K to °R) instantly with our free online converter. Accurate °R = K × 9/5 formula, examples, conversion table and step-by-step...
All temperature units in one place — try the unified converter→How to convert Kelvin to Rankine?
To convert Kelvin to Rankine, you can use the following formula: **°R = K × 9/5**. Simply multiply the Kelvin temperature by 9/5.
T(°R) = T(K) × 9/5
Example
Convert 293.15K to Rankine:
T(°R) = 293.15K × 9/5 = 527.67°R
What is the formula to convert Kelvin to Rankine?
The conversion uses °R = K × 9/5. Apply it directly to any kelvin value to obtain the equivalent in rankine, with full decimal precision.
Is K to °R an exact conversion?
For SI-defined units the conversion factor is exact (no rounding). For imperial-derived units the factor is exact by international agreement (e.g. 1 yd = 0.9144 m, defined 1959).
Where is the Kelvin unit used today?
Kelvin is widely used in temperature contexts across science, engineering and trade. Many regions still rely on it daily, so accurate K↔°R conversion remains common in datasheets and reports.
How do I convert K to °R without a calculator?
Memorise the conversion factor in °R = K × 9/5, then multiply or divide mentally. For rough work, round the factor and adjust; for precise work, use this tool to avoid rounding error compounding.

Can I convert large or scientific-notation values of K?
Yes. The converter handles values from 10⁻¹² to 10¹² and accepts scientific notation like 1.5e6. Internally we use double-precision floats (15-17 significant digits).
What is the difference between Kelvin and Rankine?
Kelvin (K) and Rankine (°R) measure the same physical quantity (temperature) but use different reference units. The formula °R = K × 9/5 links them mathematically; choose the unit your context expects.
Why do my K and °R results sometimes round differently?
Conversion factors with infinite decimals (like 1/3) cannot be stored exactly. We round only at the final display step to 6-12 decimals; intermediate calculations use full float precision to minimise error.
Is this Kelvin to Rankine converter free and offline-capable?
Yes. All conversion happens in your browser — no server call, no signup, no tracking. Works offline once the page is cached. Free for personal and commercial use.
Popular Kelvin to Rankine conversion table
| Kelvin (K) | Rankine (°R) |
|---|---|
| 273.15K | 491.67°R |
| 283.15K | 509.67°R |
| 293.15K | 527.67°R |
| 303.15K | 545.67°R |
| 313.15K | 563.67°R |
| 323.15K | 581.67°R |
| 333.15K | 599.67°R |
| 343.15K | 617.67°R |
| 353.15K | 635.67°R |
| 363.15K | 653.67°R |
| 373.15K | 671.67°R |
