Weight

Weight or Mass

Conversion Table
ONE =
Rounded to 8 decimals
gram (gm)
microgram (µg)
milligram (mg)
centigram (cg)
decigram (dg)
dekagram (dag)
hectogram (hg)
kilogram (kg)
megagram (ton) (Mg or t)

Troy Units of Mass
ONE =
grain
pennyweight (dwt)
ounce (oz t)
pound (lb t)

Avoirdupois units of Mass
ONE =
Rounded to 8 decimals
grain
dram (dr avdp)
ounce (oz avdp)
pound (lb avdp)
short hundredweight (cwt)
short ton
long hundredweight (gross cwt)
long ton

Apothecaries Units of Mass
ONE =
Rounded to 8 decimals
grain
scruple (s ap)
dram (dr ap)
ounce (oz ap)
pound (lb ap)

Other Units of Weight
ONE =
Rounded to 8 decimals
carat (c)
gamma (y)
Metric: Mass Conversion Factors
1 centigram = 10 milligram
1 decigram = 10 centigram
1 gram = 10 dg = 1000 mg
1 dekagram = 10 gram
1 hectogram = 10 dekagram
1 kilogram = 1000 gram
1 megagram = 1000 kilogram
1 megagram = 1 metric ton
Troy Mass Conversion Factors
1 grain = 64.79891 milligram
1 pennyweight = 24 grains
1 ounce (oz t) = 20 pennyweight
1 pound (lb t) = 12 ounces
Avoirdupois Mass Conversion Factors
1 grain = 64.79891 milligram
1 dram (dr) = 27.34375 grains
1 ounce (oz avdp) = 16 drams
1 pound (lb avdp) = 16 ounces
1 hundredweight = 100 pound
1 ton = 20 hundredweight
1 long hundredweight = 112 pound
1 long ton = 20 long hundredweight
Apothecaries Mass Conversion Factors
1 grain = 64.79891 milligram
1 scruple(s) = 20 grains
1 dram (dr ap) = 3 scruple
1 ounce (oz ap) = 8 drams
1 pound (lb ap) = 12 ounces
Other Weight Conversion Factors
1 carat (c) = 200 milligrams
1 gamma (y) = 1 microgram