How to Convert Fahrenheit to Kelvin

Опубликовал Admin
6-10-2016, 08:50
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Fahrenheit is a thermodynamic temperature scale. However, some formulas and sources use the Kelvin scale, based on degrees Centigrade. You can use a formula to convert Fahrenheit to Kelvin measurements.

Prepare your Formula

  1. Find the Fahrenheit temperature that you want to convert to degrees Kelvin.
  2. Grab a pencil and paper, so that you can follow the formula on paper.
  3. Use a calculator to help improve the accuracy of your math figures.

Subtract and Divide

  1. Take your measurement in degrees Fahrenheit. Subtract 32 from that number.
    • 32 is the freezing point of water in the Fahrenheit scale.
    • For example, if your original temperature is 90 degrees Fahrenheit. You subtract 32 from 90 to get 58.
  2. Divide the answer by 1.8.
    • Next, divide 58 in our example problem by 1.8. The answer is 32.22.
    • This is sometimes shown as multiplying by the fraction 5/9.

Adjusting for Kelvin

  1. Add 273 to the number you just calculated.
    • In our example problem, we add 32.22 to 273 to get the Kelvin measurement of 305.22.
    • In degrees Kelvin, the point of freezing is 273 degrees.

Tips

  • If you need to convert Fahrenheit to Kelvin frequently, consider memorizing the conversions for commonly used measurements, such as boiling point and freezing/melting point. The boiling point of water in Fahrenheit is 212 degrees, and in Kelvin the boiling point is 373 degrees. The freezing point of water is 32 degrees Fahrenheit and 273 degrees Kelvin.
  • You can figure out the conversion between Fahrenheit and Celsius with a similar equation. Follow the same formula steps above; however, do not add 273 degrees at the end. The degree measurement minus 32 and divided by 1.8 is the temperature in degrees Celsius.

Things You'll Need

  • Calculator
  • Pencil
  • Paper
  • Fahrenheit measurement
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