Rankine (°R) increases at the same rate as the Fahrenheit scale, but is offset by 459.67° from Fahrenheit. Kelvin (°K) increases at the same rate as the Celsius scale, but is offset by 273.15° from Celsius.
They are benchmarked off absolute 0 (the coldest temperature possible). Kelvin and Rankine are the two other temperature scales. What are other common temperature scales? Who uses Celsius and Fahrenheit?Ĭelsius is a “standard unit” and is commonly used worldwide.įahrenheit is used in the United States as well as some regions of the Pacific and the Caribbean. Today, Fahrenheit is benchmarked from the freezing point of water (32☏) and the boiling point of water (212☏). 100☏ was about the body temperature of a person. What is the difference between Celsius and Fahrenheit?Ĭelsius and Fahrenheit are two temperature scales.Ĭelsius is benchmarked from the freezing point of water (0☌) and the boiling point of water (100☌).įahrenheit’s origins are not certain, however it is believed that 0☏ was the freezing point of equal parts ice, water, and salt. Step 1: Subtract 32 from the temperature in Fahrenheit: 70 – 32 = 38.Step 2: Multiply that number by 5: 28 x 5 = 140.Step 1: Subtract 32 from the temperature in Fahrenheit.
Valid entries are, air temperatures greater than 80 ☏ ( 27 ☌ ), dew point temperatures greater than 65 ☏ ( 12 ☌ ), and relative humidities higher than 40 percent.Įnter in the air temperature ( T air ) and the dew point temperature ( T dp ) in degrees Celsius, then click on the Calculate HI to compute the heat index ( HI).Įnter in the air temperature ( T air ) the dew point temperature ( T dp ) in degrees Fahrenheit, then click on the Calculate HI to compute the heat index ( HI).Įnter in the air temperature ( T air ) in degrees Celsius and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ).Įnter in the air temperature ( T air ) in degrees Fahrenheit and relative humidity ( RH ) in percent ( without the % sign ), then click on the Calculate HI to compute the heat index ( HI ).Formula – How to convert Fahrenheit (☏) to Celsius (☌) Formula 1: Easy to remember Relative Humidity Calculation using degrees CelsiusĮnter in the air temperature ( T air ) and dew point temperature ( T dp) in degrees Celsius ( oF ) then click on the Calculate RH to compute the relative humidity ( RH ). Relative Humidity Calculation using degrees FahrenheitĮnter in the air temperature ( T air ) and dew point temperature ( T dp) in degrees Fahrenheit ( oF ) then click on the Calculate RH to compute the relative humidity ( RH ).
Wind Chill/Temperature Index Calculation in degrees CelsiusĮnter in the air temperature ( T air ) in degrees Celsius and wind speed in miles per hour, then click on the Calculate WC to compute the windchill ( WC ). Wind Chill/Temperature Index Calculation in degrees FahrenheitĮnter in the air temperature ( T air ) in degrees Fahrenheit and wind speed in mile per hour ( mph ), then click on the Calculate WC to compute the windchill ( WC ).
Enter a number then click on the appropriate number to see the result.