What relation between celsius and rankine scale?

°R = degrees Rankine, this is the absolute temperature scale relative to the Fahrenheit scale. 0

°R = -459.67

°F the freezing point of water = 491.67

°R

°C = degrees Celsius (or Centigrade), this is the common metric temperature scale where the freezing point of water is 0

°C and the boiling point is 100

°C

To convert from

°R to

°C subtract 491.67

° then multiply by 5/9 (0.555555....)
To convert from

°C to

°R multiply by 1.8 then add 491.67

°

To convert from

°R to

°F subtract 459.67

°