Note: simply use "Kelvin" or "Kelvins", not "degrees Kelvin" when using this unit. To convert a Kelvin temperature to Celsius, subtract 273.15. There are no negative temperatures in the Kelvin scale. A change of one degree Celsius = a change of one Kelvin, but a Celsius temperature is never equal to a Kelvin temperature. This scale sets the lowest obtainable temperature ( absolute zero = the temperature at which all molecular motion completely ceases) to 0 degrees. To convert a Celsius temperature to Kelvin, add 273.15 To convert a Celsius temperature to Fahrenheit, multiply by 9/5 and add 32. A change of 1 degree Celsius equals a change of 9/5 = 1.8 degrees Fahrenheit. This scale sets the normal freezing point of water to 0 degrees Celsius and the normal boiling point of water to 100 degrees Celsius. Even in the U.S., scientists and technical people use the metric system because of its ease of use. The metric system has been adopted by almost every country except the United States. Customary System) and metric (International System or SI or cgs) units. Many of the items you will find on an Safety Data Sheet come in both English (U.S. (Enter number on the left side answer appears on the right side) Sorry, you must enable Javascript and then reload the page for the calculator to work. If you convert a negative temperature, be sure to include the negative sign! For example, -31 oF = -35 oC, but +31 oF = -0.56 oC!
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