Are the results exact?

The factors follow the official definitions of the units. The result shows up to 10 significant digits, which is enough for any everyday use.

Weight and mass converter

Convert pounds, ounces, stones, kilograms, grams, tons and other units of weight. Type the value, choose the units and see the result right away, along with a table of every unit.

1.Type the value you want to convert.
2.Choose the unit to convert from and the unit to convert to.
3.See the result and the table with the value in every unit.

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Learn more about Weight and mass converter

Convert pounds, ounces, stones, kilograms, grams, tons and other units of weight. Instant result and a table with every unit. Free.

How many kg is 1 lb?: 1 lb (pound) equals 0.45359237 kg.
How many g is 1 oz?: 1 oz (ounce) equals 28.349523 g.
How many lb is 1 kg?: 1 kg (kilogram) equals 2.2046226 lb.
Are the results exact?: The factors follow the official definitions of the units. The result shows up to 10 significant digits, which is enough for any everyday use.