How many Btu in 1 gigacalorie [I.T.]?
The answer is 3968320.5411201.
We assume you are converting between British thermal unit and gigacalorie [I.T.].
You can view more details on each measurement unit: Btu or
gigacalorie [I.T.]
The SI derived unit for energy is the joule.
1 joule is equal to 0.00094781707774915 Btu, or 2.388458966275E-10 gigacalorie [I.T.].
Note that rounding errors may occur, so always check the results.
Use this page to learn how to convert between Btus and gigacalories.
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gigacalorie [I.T.] to Btu, or enter any two units below:

The British thermal unit (BTU or Btu) is a non-metric unit of energy, used in the United States and, to a lesser extent, the UK (where it isgenerally only used for heating systems). The SI unit is the joule (J), which is used by most other countries.

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