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Weight Converter

Convert weight and mass measurements between metric and imperial systems.

About this calculator

Convert weight and mass measurements between metric units (g, kg, tonnes) and imperial/US units (oz, lb, stone, US ton).

How to use

  1. Enter the value you want to convert.
  2. Select the unit you are converting from and to.
  3. Press Convert to see the result and a full equivalents table.

Tips

  • "US Ton" is the short ton (2,000 lb) commonly used in US freight and trucking — different from the metric tonne (1,000 kg).