The result of your conversion between ping and acre [survey] appears here
To convert between Ping and Acre [survey] you have to do the following:
First divide 3.305 / 0.092903412*43560 = 0.00081668
Then multiply the amount of Ping you want to convert to Acre [survey], use the chart below to guide you.
Symbol: ping
No description
Symbol: ac
No description