Universal Converter
Weight / Mass Converter
Convert metric and US/Imperial mass units.
Instant Conversion
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Other Weight / Mass conversions
The same input converted into every active unit in this category.
How to convert Weight / Mass
ePortalHub converts the input to the category's base unit and then converts that base value to the selected target unit. This two-step method keeps the conversion rules consistent across all active units.
Units included
Milligram (mg), Gram (g), Kilogram (kg), Metric Ton (t), Ounce (oz), Pound (lb), Stone (st), US Ton (short ton), Imperial Ton (long ton).
Conversions are mathematical reference conversions. Regional land units can vary by jurisdiction; use only a locally verified factor for region-dependent units such as bigha.
Popular Weight / Mass conversion guides
Open a focused conversion page for an exact formula, worked examples and a quick reference table.
Pounds to Kilograms ConverterConvert pounds to kilograms using the exact international avoirdupois pound definition, with examples and a quick table.Kilograms to Pounds ConverterConvert kilograms to pounds instantly with a precise formula, examples, and conversion table.Ounces to Grams ConverterConvert ounces to grams with a precise mass conversion factor, examples, and instant calculator.