A joule is defined as the amount of energy required to move an object that weighs 1 pound 9 inches. A kilojoule is 1,000 joules. A Celsius heat unit -- not to be confused with degrees Celsius -- is the amount of heat required to raise the temperature of 1 lb. of pure water by 1 C. It equals 453.59237 international table calories. Because the Celsius heat unit and the kilojoule are measures of energy, you can convert measurement in Celsius heat units to the equivalent measurement in kilojoules.
Enter the number of Celsius heat units into a calculator.
Press the multiply button.
Enter "1.8991," which is the number of kilojoules per Celsius heat units.
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Press the equals key.
Read the output on the calculator's screen, which will be the number of kilojoules.
You can also use online converters to convert Celsius heat units to kilojoules.