The result of your conversion between square tenthmeter and cong appears here
To convert between Square Tenthmeter and Cong you have to do the following:
First divide 1.0E-20 / 1000 = 0.
Then multiply the amount of Square Tenthmeter you want to convert to Cong, use the chart below to guide you.
Symbol: sq tenth-meter
No description
Symbol: cong
No description