1 lb = 0.4536 kg. Convert pounds to kilograms instantly with this free online tool.

1 lb = 0.4536 kg

Pound to Kilogram Conversion Table

Pound (lb) Kilogram (kg)
1 0.4536
5 2.268
10 4.5359
25 11.3398
50 22.6796
100 45.3592
500 226.796
1000 453.592

Pound to Kilogram Formula

1 lb = 0.4536 kg

About Pound and Kilogram

What is a Pound?

A pound equals 16 ounces (about 0.454 kg) and is the standard US unit for measuring weight. A standard bag of concrete mix weighs 60 or 80 pounds.

What is a Kilogram?

A kilogram equals 1,000 grams and is the base unit of mass in the metric system. A liter of water weighs exactly 1 kilogram.

When to convert Pound to Kilogram

Converting pounds to kilograms is common when working with imperial measurements alongside metric specifications. For example, buying concrete mix by the bag (60 lb or 80 lb). Use kilograms for material weights, load calculations, and international product specifications.

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