The result of your conversion between jo [Japan] and square gigameter appears here
To convert between Jo [Japan] and Square Gigameter you have to do the following:
First divide 1.62 / 1.0E+18 = 0.
Then multiply the amount of Jo [Japan] you want to convert to Square Gigameter, use the chart below to guide you.
Symbol: jo
No description
Symbol: gm2
No description