The result of your conversion between yottajoule and Btu appears here
To convert between Yottajoule and Btu you have to do the following:
First divide 1.0e+24 / 1055.0559 = 947817077749150515200.
Then multiply the amount of Yottajoule you want to convert to Btu, use the chart below to guide you.
Symbol: yJ
No description
Symbol: Btu
No description