How can you convert 1 femtowatt-hour to gigajoules?
How many gigajoules are in one femtowatt-hour?
You can find out the answer in one of two ways:
use our calculator above for maximum accuracy or
use the following equation:
There are 3.6e-21 gigajoules in a femtowatt-hour. Thus, we must multiply the number of femtowatt-hours (1) by 3.6e-21 to get gigajoules.
Conversion table between femtowatt-hours and gigajoules near 1 fWh:
Alternative spelling
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