The result of your conversion between perch and square millimeter appears here
To convert between Perch and Square Millimeter you have to do the following:
First divide 25.29285264 / 0.000001 = 25292852.64
Then multiply the amount of Perch you want to convert to Square Millimeter, use the chart below to guide you.
Symbol: perch
No description
Symbol: mm²
No description