Weight Conversion

Round:
Gram
Kilogram
Milligram
Ounce
Pound
Stone
US Ton
UK Ton
Metric Ton

Mass or Weight?

Mass means how much matter is in an object. Weight is the measure of the force of gravity on that object.

For example, your body mass is the same on earth, on moon or on Jupiter but if you weigh 100 kilograms on earth, you weigh 16.6 kilograms on the moon and 236.4 kilograms on Jupiter because their gravities are different than earth.

Weight/Mass Units

The weight/mass units in this weight converter tool are based on the metric and the Imperial mass/weight units. To convert all weight units, please check all weight conversions page.

Metric Mass Units

Because the metric system is a decimal system, all other metric mass units are either the fractions or the multiples of kilogram. The most frequently used metric mass units are kilogram (kg), gram (g) and milligram (mg).

The base unit of mass in the metric system is kilogram.

Here is the weight conversion factors list from kilogram to other common mass/weight units:

1 Kilogram =

  • 1000 grams
  • 1000000 milligrams
  • 35.273962 ounces
  • 2.204623 pounds
  • 0.157473 stone
  • 0.001102311310924388 US ton
  • 0.0009842065264486655 UK ton
  • 0.001 Metric ton

For weight conversion from kilograms to other weight units, multiply the kilogram value with the conversion factors.

Imperial and US Customary Mass Units

In the imperial and the US Customary system, the fundamental unit of mass is pound (lb). All other units are either the fractions or the multiples of pound.

The imperial and the US Customary system share the same mass units and the only difference is with the hundredweight (112 pounds in imperial system and 100 pounds in US Customary system) and the ton (2240 pounds in the imperial system and 2000 pounds in the US Customary system).

Here is the weight conversion factors list from pounds to other common metric and imperial mass/weight units:

1 Pound =

  • 453.59237 grams
  • 7000 grains
  • 0.453592 kilogram
  • 453592.37 milligrams
  • 16 ounces
  • 0.071429 stone
  • 0.01 US hundredweight
  • 0.0089285714286 UK hundredweight
  • 0.04 quarter
  • 0.0005 US ton
  • 0.0004464285714285714 UK ton
  • 0.00045359237017463227 Metric ton

For weight conversion from pounds to other weight units, multiply the pound value with the conversion factors.