LB to KG Converter
Convert pounds to kilograms instantly. Accurate lb to kg calculator with formula, examples, and professional use cases.
Common conversions
Result
— kg
Conversion formula: multiply by 0.45359237 (lb → kg)
Related conversions
Need another unit? Open the full Unit Converter for every category.
About Pound to Kilogram
Quick answer: 1 lb = 0.453592 kg. Conversion formula: multiply by 0.45359237 (lb → kg).
Why convert pound to kilogram?
Many medical, sports science, and international commerce systems require kilograms. Converting pounds to kilograms correctly keeps records consistent across regions.
How to use this converter:
1. Confirm the From unit is Pound (lb) and To is Kilogram (kg).
2. Enter any number — the result updates instantly.
3. Edit either field for bidirectional conversion, adjust precision, or tap Swap.
4. Copy the result when you need it in a report, label, or spreadsheet.
Common use cases:
- Medical charts and dosage calculations that require kilograms
- Import/export documentation and customs declarations
- Recipe scaling and food manufacturing batch sheets
Example conversions
| Pound | Kilogram |
|---|---|
| 0.5 lb | 0.226796 kg |
| 1 lb | 0.453592 kg |
| 2 lb | 0.907185 kg |
| 5 lb | 2.267962 kg |
| 10 lb | 4.535924 kg |
| 100 lb | 45.359237 kg |
Frequently Asked Questions
How do you convert Pound to Kilogram?
Multiply the pound value by the conversion factor. Formula: multiply by 0.45359237 (lb → kg). Example: 1 lb = 0.453592 kg.
How many kilogram are in 1 pound?
1 lb = 0.45359237 kg.
Is this converter accurate enough for professional use?
Yes. Linear conversions use internationally defined exact factors (SI and customary). Temperature uses exact scale relationships. Always confirm critical safety, medical, or legal measurements against your governing standard or instrument calibration.
Does conversion happen in my browser?
Yes. Values are converted locally in your browser. No account is required and your numbers are not uploaded to a server.
Can I convert Kilogram back to Pound?
Yes — use the Swap control in the converter, or open the dedicated KG to LB page.