Weight converter free

Use this useful tool to convert weight choosing one of the 28 units of measurment included in this app, that are:
Metric Units of Weight:
kilogram, gram, microgram, milligram, centigram, decigram, dekagram, hectogram and megagram (ton)
Troy Units of Mass/Weight:
grain, pennyweight, ounce and pound
Avoirdupois units of Mass:
grain, dram, ounce, pound, short hundredweight, short ton, long hundredweight and long ton
Apothecaries Units of Mass:
grain, scruple, dram, ounce and pound
Other Units of Weight / Mass:
carat and gamma

For every units of measurment are also included formulas to convert that unit as you want.