Degree Rankine (difference) (Δ°R)
A temperature difference of one degree Rankine: the same size as one degree Fahrenheit, 5/9 K.
What is a degree Rankine (difference)?
- Symbol
- Δ°R
- Quantity
- Temperature Interval
- Unit system
- US customary
- Definition
- A temperature difference of one degree Rankine: the same size as one degree Fahrenheit, 5/9 K.
- Exact
- Yes, the value is exact by definition
- Source
- NIST Special Publication 811 (2008), Appendix B.8
Common applications
Used in US engineering thermodynamics, where it appears in units such as BTU/(lb·°R). It is the same size as a degree Fahrenheit.
Degree Rankine (difference) in other temperature interval units
- 1 Δ°R ≈ 0.5555555556 ΔKKelvin (difference)
- 1 Δ°R ≈ 0.5555555556 Δ°CDegree Celsius (difference)
- 1 Δ°R = 1 Δ°FDegree Fahrenheit (difference)
Degree Rankine (difference) quick reference
| Degree Rankine (difference) | Degree Celsius (difference) | Degree Fahrenheit (difference) | Kelvin (difference) |
|---|---|---|---|
| 1 Δ°R | ≈ 0.5555555556 Δ°C | = 1 Δ°F | ≈ 0.5555555556 ΔK |
| 10 Δ°R | ≈ 5.555555556 Δ°C | = 10 Δ°F | ≈ 5.555555556 ΔK |
| 100 Δ°R | ≈ 55.55555556 Δ°C | = 100 Δ°F | ≈ 55.55555556 ΔK |
| 1000 Δ°R | ≈ 555.5555556 Δ°C | = 1000 Δ°F | ≈ 555.5555556 ΔK |
Where the degree Rankine (difference) fits
The next larger temperature interval unit is the kelvin (difference) (ΔK). 1 Δ°R ≈ 0.5555555556 ΔK, and 1 ΔK = 1.8 Δ°R.
Frequently asked questions
- How many degrees Celsius (difference) are in one degree Rankine (difference)?
- One degree Rankine (difference) ≈ 0.5555555556 Δ°C (degrees Celsius (difference)).
- How many degrees Fahrenheit (difference) are in one degree Rankine (difference)?
- One degree Rankine (difference) = 1 Δ°F (degrees Fahrenheit (difference)).
- How many kelvins (difference) are in one degree Rankine (difference)?
- One degree Rankine (difference) ≈ 0.5555555556 ΔK (kelvins (difference)).