1 rankine (°R) equals 0.5555555556 celsius (°C). Enter any value below to convert from °R to °C.
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1 °R = 0.5555555556 °C
All Temperature Interval units
From 1 °R
Unit
Value
Kelvin K
0.5555555556
Celsius °C
0.5555555556
Fahrenheit °F
1
Rankine °R
1
Reaumur °Ré
0.4444444445
Triple point of water °T
2,033.8100585737
Recent conversions
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Formula
°R to °C conversion formula
Use this relationship for a direct conversion:
°C = °R x 0.5555555556
Worked example
2 °R = 1.1111111112 °C.
SI relationships follow the cited reference. Conventional and domain-specific factors use the established ConvertWin factor inventory; verify safety-critical work against the governing standard.
Quick reference
Rankine to Celsius table
Rankine (°R)
Celsius (°C)
0.01
0.0055555556
0.1
0.0555555556
1
0.5555555556
2
1.1111111112
5
2.777777778
10
5.555555556
25
13.88888889
50
27.77777778
100
55.55555556
1,000
555.5555556
From unit
About the rankine
Rankine (°R) is a unit of Temperature Interval. 1 °R = 0.5555555556 K
Symbol: °R
To unit
About the celsius
Celsius (°C) is a unit of Temperature Interval. 1 °C = 1 K
Use the formula °C = °R x 0.5555555556. 1 rankine (°R) equals 0.5555555556 celsius (°C).
Is the °R to °C conversion exact?
SI relationships follow the cited reference. Conventional and domain-specific factors use the established ConvertWin factor inventory; verify safety-critical work against the governing standard.