Weight & Mass Conversion Calculators
Weight and mass converters turn a measurement into the unit you need. Convert pounds to kilograms, or use the weight converter for milligrams, grams, kilograms, metric tonnes, ounces, pounds, stone and US or UK tons. Every factor is an exact definition, so results stay precise and each step is shown.
Last updated November 4, 2026
All Weight & Mass tools
Conversions · Weight & Mass
Pounds to Kilograms CalculatorConvert pounds to kilograms, ounces, grams and stone
Conversions · Weight & Mass
Weight ConverterConvert mg, g, kg, tonnes, oz, lb, stone and US or UK tons
Conversions · Weight & Mass
KG to LBS ConverterConvert kilograms to pounds, ounces, stone and grams with the exact factor
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Cooking Measurement ConverterConvert teaspoons, cups, fluid ounces, ml, grams and ounces with ingredient densities
Conversions · Cooking & Kitchen
Ounces to Cups CalculatorConvert fluid ounces and ounces by weight to US cups