Weight Converter

This conversion tool and dynamic scale generator will convert a measurement of mass from one unit to another and display a related conversion table.

Enter the mass amount you wish to convert in the upper input box.
Select the corresponding mass measuring units from the upper shortcut buttons or pull down options.
Select the mass measuring units to convert to, from the lower shortcut buttons or pull down options.
The resulting mass conversion will display in the lower answer box.

Conversion Factors

The following mass measurement units and associated conversion factors in kilograms (SI units for mass) are used by this mass converter:

Metric Mass Units

These mass units belong to the european metric measurement system.

• microgram (µg or mcg) – 0.000000001 kg

• milligram (mg) – 0.000001 kg

• gram (g) – 0.001 kg

• kilogram (kg) – 1 kg

• tonne (t, metric) – 1000 kg

• kilotonne (kt, metric) – 1000000 kg

• megatonne (Mt, metric) – 1000000000 kg

Imperial / US Customary Mass Units

This mass units belong to the english imperial  and united states customary units measurement system

• carat (ct) – 0.0002 kg

• ounce (oz) – 0.028349523125 kg

• pound (lb) – 0.45359237 kg

• stone (st) – 6.35029318 kg

• hundredweight (cwt, short, usa) – 45.359237 kg

• hundredweight (cwt, long, uk) – 50.80234544 kg

• ton (ton, short, usa) – 907.18474 kg

• ton (ton, long, uk) – 1016.0469088 kg

• kiloton (kt, short, usa) – 907184.74 kg

• kiloton (kt, long, uk) – 1016046.9088 kg

• megaton (Mt, short, usa) – 907184740 kg

• megaton (Mt, long, uk) – 1016046908.8 kg

Gram Metric Prefix Units

These metric prefixed units are all derived from the gram base unit

• quectogram (qg) – 1 x 10-33 kg

• rontogram (rg) – 1 x 10-30 kg

• yoctogram (yg) – 1 x 10-27 kg

• zeptogram (zg) – 1 x 10-24 kg

• attogram (ag) – 1 x 10-21 kg

• femtogram (fg) – 1 x 10-18 kg

• picogram (pg) – 1 x 10-15 kg

• nanogram (ng) – 1 x 10-12 kg

• microgram (µg) – 1 x 10-9 kg

• milligram (mg) – 0.000001 kg

• centigram (cg) – 0.00001 kg

• decigram (dg) – 0.0001 kg

• gram (g) – 0.001 kg

• decagram (dag) – 0.01 kg

• hectogram (hg) – 0.1 kg

• kilogram (kg) – 1 kg

• megagram (Mg) – 1,000 kg

• gigagram (Gg) – 1,000,000 kg

• teragram (Tg) – 1 x 10+9 kg

• petagram (Pg) – 1 x 10+12 kg

• exagram (Eg) – 1 x 10+15 kg

• zettagram (Zg) – 1 x 10+18 kg

• yottagram (Yg) – 1 x 10+21 kg

• ronnagram (Rg) – 1 x 10+24 kg

• quettagram (Qg) – 1 x 10+27 kg