Weight and Mass Converter
Convert between mass units: kilograms, pounds, ounces, tons, and more.
6 decimals
1 kg = 2.204623 lb
About the weight and mass converter
Convert mass and weight across metric, imperial, US customary, and apothecary systems. The SI base unit is the kilogram. This converter covers grams, ounces, pounds, stones, tons (metric, US short, UK long), and specialty units like grains, carats, and atomic mass units used in scientific work.
Common conversions
Frequently asked questions
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How many pounds are in a kilogram?
One kilogram equals approximately 2.20462 pounds.
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How many grams are in an ounce?
One avoirdupois ounce equals approximately 28.3495 grams.
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How many ounces are in a pound?
One pound equals exactly 16 ounces.
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What is the difference between mass and weight?
Mass is the amount of matter in an object and is constant. Weight is the gravitational force acting on that mass and varies with location. Most everyday "weight" values are technically mass measurements.
More common converters
Complete list of weight and mass units
- Kilogram [kg]