Weight & Mass Converter

Convert between different weight and mass units

About Weight & Mass Conversion

Weight and mass are closely related but technically different concepts. Mass is a measure of the amount of matter in an object, while weight is the force exerted on that object by gravity. In the International System of Units (SI), the base unit of mass is the kilogram.

Weight and mass conversion is essential in everyday life. Whether you're cooking a recipe that uses different units, shipping a package, tracking your fitness, or working on a science project, knowing how to convert between weight units is a valuable skill.

Common Weight & Mass Units:

  • Metric System: Microgram (µg), Milligram (mg), Gram (g), Kilogram (kg), Metric Ton (t)
  • Imperial System: Grain (gr), Ounce (oz), Pound (lb), Stone (st), US Ton, Imperial Ton

Quick Conversion Facts:

  • 1 kilogram = 2.205 pounds
  • 1 pound = 16 ounces
  • 1 pound = 453.592 grams
  • 1 ounce = 28.350 grams
  • 1 stone = 14 pounds (6.350 kg)
  • 1 metric ton = 1,000 kilograms

Popular Weight & Mass Unit Conversions