Convert pounds to kilograms instantly. Free lbs to kg converter with quick reference table, formula, and common weight conversions for fitness, travel, and shipping.
Converters
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Lbs to Kg Converter, Converters, Convert pounds to kilograms instantly. Free lbs to kg converter with quick reference table, formula, and common weight conversions for fitness, travel, and shipping., convert, conversion, unit, convert, unit, measurement
Lbs to Kg Converter
Convert pounds to kilograms instantly. Free lbs to kg converter with quick reference table, formula, and common weight conversions for fitness, travel, and shipping.
Converters global
Lbs to Kg Converter, Converters, Convert pounds to kilograms instantly. Free lbs to kg converter with quick reference table, formula, and common weight conversions for fitness, travel, and shipping., convert, conversion, unit, convert, unit, measurement
Lbs to Kg Converter
Convert pounds to kilograms instantly. Free lbs to kg converter with quick reference table, formula, and common weight conversions for fitness, travel, and shipping.
0.453592
Kilogram (kg)
Input Value
1 lb (Pound)
The avoirdupois pound, equal to 0.4536 kg. Common in US/UK.
How to Convert Pound to Kilogram
Simple formula with a worked example
To convert pound (lb) to kilogram (kg), use this formula:
kg = lbs × 0.453592
Example: Convert 10 lb to kg
10 lb = 4.5359 kg
To convert back, use: lbs = kg × 2.20462
Pound to Kilogram Conversion Table
Quick reference for common pound to kilogram conversions
Pound (lb)
Kilogram (kg)
1 lb
0.453592 kg
2 lb
0.907185 kg
5 lb
2.268 kg
10 lb
4.5359 kg
25 lb
11.3398 kg
50 lb
22.6796 kg
100 lb
45.3592 kg
250 lb
113.3981 kg
500 lb
226.7962 kg
1,000 lb
453.5924 kg
About Pound and Kilogram
Understanding these weight units
Pound (lb)
The avoirdupois pound, equal to 0.4536 kg. Common in US/UK.
Kilogram (kg)
The SI base unit of mass, used worldwide for general weighing.
When You Need This Conversion
international travel
fitness and health
shipping overseas
recipe conversion
Did you know? The kilogram is the only SI base unit still defined by a physical artifact — until 2019, when it was redefined using the Planck constant.
Frequently Asked Questions
Common questions about converting pound to kilogram
1 pound (lb) equals 0.453592 kilogram (kg). To convert, use the formula: kg = lbs × 0.453592.
The formula is: kg = lbs × 0.453592. For example, 10 lb = 4.5359 kg. To convert back: lbs = kg × 2.20462.
10 pound = 4.5359 kilogram. Using the formula kg = lbs × 0.453592: 10 lb = 4.5359 kg.
1 kilogram (kg) equals 2.2046 pound (lb). This is the reverse conversion: lbs = kg × 2.20462.
The conversion factor is precise to multiple decimal places. 1 lb = 0.453592 kg. This calculator uses the internationally recognized conversion factors for accuracy.
Common use cases include international travel, fitness and health, shipping overseas, recipe conversion. This conversion is frequently needed when working with measurements across different unit systems.
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