How do you convert Celsius to Fahrenheit

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9/5 = 1,8    9/4 = 2,25    10/8 = 1,25CelsiusFahrenheit° F = ° C × 1.8 + 32CelsiusKelvin K = ° C + 273.15CelsiusRankine° Ra = ° C × 1.8 + 32 + 459.67CelsiusRéaumur° R = ° C × 0.8KelvinCelsius° C = K - 273.15KelvinFahrenheit° F = K × 1.8 - 459.67KelvinRankine° Ra = K x 1.8KelvinRéaumur° R = (K - 273.15) x 0.8FahrenheitCelsius° C = (° F - 32) / 1.8FahrenheitKelvin K = (° F + 459.67) / 1.8FahrenheitRankine° Ra = ° F + 459.67FahrenheitRéaumur° R = (° F - 32) / 2.25RankineCelsius° C = (° Ra - 32 - 459.67) / 1.8RankineFahrenheit° F = ° Ra - 459.67RankineKelvin K = ° Ra / 1.8RankineRéaumur° R = (° Ra - 32 - 459.67) / 2.25RéaumurCelsius° C = ° R × 1.25RéaumurFahrenheit° F = ° R × 2.25 + 32RéaumurKelvin K = ° R x 1.25 + 273.15RéaumurRankine° Ra = ° R × 2.25 + 32 + 459.67