The result of your conversion between foot pound and zettajoule appears here
To convert between Foot Pound and Zettajoule you have to do the following:
First divide 1.3558179 / 1.0e+21 = 0.
Then multiply the amount of Foot Pound you want to convert to Zettajoule, use the chart below to guide you.
Symbol: ft lb
No description
Symbol: zJ
No description