Weight/Mass Unit Conversion

Conversion Settings
Number of digits:
  • carat (metric)
  • grave
  • grain
  • gram
  • hundredweight
  • kilogram [kg]
  • ounce (US & UK)
  • ounce (troy)
  • pound (US & UK) [lb]
  • pound (troy)
  • slug (g-pound)
  • stone
  • ton (UK or long)
  • ton (US or short)
  • tonne

Quick notes on weight and mass units

The below will give you a quick glance on each weight and mass unit. Helping you to find an conversion answer as quickly as possible is always our top priority.

carat (metric)1 metric carat = 200 mg.
graveGrave was the old name of the kilogram. 1 grave = 1 kg.
grain1 grain = 64.798 91 mg.
gram1 gram (symbol g) is usually known as the mass of 1 cm3 of water.
hundredweight1 hundredweight (long) = = 50.80234544 kg.
kilogram [kg]1 kilogram = 1000 gram.
ounce (US & UK)1 ounce (US & UK) = 28.349523125 g.
ounce (troy)The troy ounce is a unit of imperial measure. 1 ounce (troy, precious metals) = 31.1034768 g.
pound (US & UK) [lb]1 pound (US & UK) = 0.45359237 kg.
pound (troy)1 troy pound = 0.3732417216 kg.
slug (g-pound)1 slug ≈ 14.593903 kg.
stone1 stone = 6.35029318 kg.
ton (UK or long)1 ton (long) = 1016.0469088 kg.
ton (US or short)1 ton (short) = 907.18474 kg
tonne1 tonne = 1000 kg.