conversion calculator

This calculator is not as useful as it could be due to presentation issues.

It would be nice if it were more straight forward using decimals only. 

Conversion Calculator for Area
square meters acres circular centimeters circular feet circular inches
hectares square centimeters square feet square inches square yards
ares centares circ millimeters circular mills roods
square chains square kilometers square links square miles square millimeters
square perches square rods square varas townships