Celsius to Fahrenheit:
\[ F = \frac{9}{5}C + 32 \]
Fahrenheit to Celsius:
\[ C = \frac{5}{9}(F - 32) \]
Celsius to Kelvin:
\[ K = C + 273.15 \]
Kelvin to Celsius:
\[ C = K - 273.15 \]
Rankine to Celsius:
\[ C = \frac{5}{9}(R - 491.67) \]
Celsius to Rankine:
\[ R = \frac{9}{5}C + 491.67 \]
Delisle to Celsius:
\[ C = 100 - \frac{2}{3}D \]
Celsius to Delisle:
\[ D = \frac{3}{2}(100 - C) \]
Newton to Celsius:
\[ C = \frac{100}{33}N \]
Celsius to Newton:
\[ N = \frac{33}{100}C \]
Réaumur to Celsius:
\[ C = \frac{5}{4}R \]
Celsius to Réaumur:
\[ R = \frac{4}{5}C \]
Rømer to Celsius:
\[ C = \frac{40}{21}(R - 7.5) \]
Celsius to Rømer:
\[ R = \frac{21}{40}C + 7.5 \]
