Metric Conversion Tool
 

Weight/Mass Converter

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Convert between different weight/mass units like kilogram, atomic mass unit, pound, ounce, etc. The SI base unit for mass is kilogram (kg).

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Significant Figures: 
Use Scientific Notation

Metric

 tonne (t)
 kilonewton (kN)
 centner
 kilogram (kg)
 newton (N)
 gram (g)
 carat
 centigram
 milligram (mg)
 microgram (μg)
 nanogram (ng)
 atomic mass unit (amu)

Avoirdupois (U.S.)

 long ton
 short ton
 long hundredweight
 short hundredweight
 stone
 pound (lb)
 ounce
 dram (dr)
 grain (gr)

Troy

 pound
 ounce
 pennyweight
 carat
 grain
 mite
 doite

Japanese

 koku
 kann
 kinn
 monnme

Chinese

 tael
 ku ping

Old Swedish

 skeppspund
 lispund
 skålpund
 mark
 uns
 lod

British

 stone