Convert Rankine (°R) (rankine) to Kelvin (K) (kelvin)
Category: Temperature
10 rankine = 5.555556 kelvin
High-precision rounding: 6 decimals
How to convert rankine (°r) to kelvin (k)
We convert by pivoting through the SI base unit for Temperature and applying exact factors where applicable.
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Examples
Formula: K = °R × 5/9
Temperature conversions use exact affine formulas (ratio + offset).
Common mistakes
- Using only a ratio (×1.8 or ×0.555…) without adding/subtracting the offset (±32, +273.15).
- Rounding too early; convert first, then round to the desired precision.
About Temperature
Temperature scales combine ratios and offsets. Kelvin is absolute (no negative values), Celsius offsets Kelvin by 273.15, and Fahrenheit uses a different step and zero point. Because offsets exist, temperature conversions require both a factor and an addition/subtraction.
About Rankine (°R)
Rankine (°R)
Absolute scale using Fahrenheit-sized degrees. Useful in aerospace and thermodynamic calculations within imperial frameworks.
History: Introduced by William Rankine in the 19th century as an analogue of Kelvin for Fahrenheit users.
About Kelvin (K)
Kelvin (K)
Absolute SI scale starting at 0 K with no negative values. Used for thermodynamics, cryogenics, and color temperature (K).
History: Defined via the Boltzmann constant since 2019, linking temperature directly to energy at the particle level.
Related conversions from rankine
- rankine → celsius Celsius (°C)
- rankine → fahrenheit Fahrenheit (°F)
Related conversions to kelvin
- celsius → kelvin Celsius (°C)
- fahrenheit → kelvin Fahrenheit (°F)