Unit Converter
Pounds to kilograms Converter
Convert pounds (lb) to kilograms (kg) with the exact factor, formula, four examples, and a quick browser calculator.
1 lb = 0.45359237 kg
Formula and usage notes
This exact pounds to kilograms page is built for quick lookup searches, product dimensions, shipping forms, schoolwork, and spreadsheet checks.
Formula: kg = lb × 0.45359237. The result is rounded for display, but the calculation uses the full factor shown here.
Practical examples
Practical examples 1
1 lb = 0.45359237 kg
Practical examples 2
5 lb = 2.26796185 kg
Practical examples 3
50 lb = 22.6796185 kg
Practical examples 4
150 lb = 68.0388555 kg
Frequently asked questions
How do I convert lb to kg?
Multiply the pounds value by 0.45359237 to get kilograms.
Can I use this for product dimensions?
Yes. Keep the original value next to the converted value so reviewers can see the source unit.
Why do results differ slightly between sites?
Most differences come from rounding. This page calculates with the displayed factor and rounds only the visible result.