Weight & Mass Converter
Convert between milligrams, grams, kilograms, ounces, pounds, and tons.
About this converter
Whether you're following a recipe from a different country, checking luggage limits, or converting a shipping weight, this converts between metric mass units (milligrams through metric tons) and US/imperial units (ounces, pounds, US tons).
Frequently asked questions
- Is weight the same as mass?
- Technically no — mass is how much matter something has, weight is the force gravity exerts on that mass. In everyday conversions like this one, the distinction doesn't matter; kilograms and pounds are used interchangeably for both.
- Which ton does this use?
- The US (short) ton, 2,000 pounds — distinct from the metric ton (1,000 kg) and the UK long ton (2,240 lb), both of which are also available in the unit list.