The result of your conversion between pony and gill [US] appears here
To convert between Pony and Gill [US] you have to do the following:
First divide (0.000016387064*231)/128 / (0.000016387064*231)/32 = 0.25
Then multiply the amount of Pony you want to convert to Gill [US], use the chart below to guide you.
Symbol: pony
No description
Symbol: gi
No description