Unit Conversion Calculator

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 MassONE =

grain

pennyweight (dwt)

ounce (oz t)

pound (lb t)

Avoirdupois units of MassONE =

Rounded to 8 decimalsgrain

dram (dr avdp)

ounce (oz avdp)

pound (lb avdp)short hundredweight (cwt)

short ton

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

long hundredweight

(gross cwt)

long ton

Apothecaries Units of MassONE =

Rounded to 8 decimalsgrain

scruple (s ap)

dram (dr ap)

ounce (oz ap)

pound (lb ap)

Other Units of WeightONE =

Rounded to 8 decimals

carat (c)

gamma (y)

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