Mass units online calculator

Specify the weight and select the unit:
   micrograms (mcg) milligrams (mg) gram (g) decagrams (dag) kilogram (kg) centner (q) ton (s) kiloton (ct) megaton (Mt) gran (gr) drachma (dr) ounce (oz) pound (lb) quarter (qu) handread (cwt) ton (t) gran (gr) drachma (dr) ounce (oz) pound (lb) stone (st) quarter (qu) handwright (cwt) ton (to) pennyweit (dwt) troy ounce (tr oz) pound (tr lb)
The number of digits after the dot:
Metric units:

micrograms (mcg)
milligram (mg)
gram (g)
decagram (dag)
kilogram (kg)
centner (c)
ton (t)
kiloton (ct)
megaton (MT)

British units («short»):

grain (gr)
dram (dr)
ounce (oz)
pound (lb)
quarter (qu)
hundredweight (cwt)
short ton (t)

American units («long»):

grain (gr)
dram (dr)
ounce (oz)
pound (lb)
stone (st)
quarter (qu)
hundredweight (cwt)
long ton (to)

Troy units («troy»):

pennyweight (dwt)
ounce (tr oz)
pound (tr lb)