The result of your conversion between Btu [thermochemical] and yottawatthour appears here
To convert between Btu [thermochemical] and Yottawatthour you have to do the following:
First divide 1054.3503 / 3.6e+27 = 0.
Then multiply the amount of Btu [thermochemical] you want to convert to Yottawatthour, use the chart below to guide you.
Symbol: Btu
No description
Symbol: YWh
No description