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Kilograms to Pounds (kg to lb)
Convert kilograms to pounds: 1 kg = 2.20462 lb. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 kg = 2.20462 lb
pounds = kilograms × 2.204622622 — reverse: kilograms = pounds × 0.45359237
The factor is derived from the SI definitions of both units (base unit: kg) as listed in NIST SP 811; results on this page are shown to 6 significant figures, the API returns up to 12.
Worked examples
- 5 kg = 11.0231 lb
- 12.5 kg = 27.5578 lb
- 100 kg = 220.462 lb
Kilograms to pounds conversion table
| Kilograms (kg) | Pounds (lb) |
|---|---|
| 1 | 2.20462 |
| 2 | 4.40925 |
| 3 | 6.61387 |
| 4 | 8.81849 |
| 5 | 11.0231 |
| 6 | 13.2277 |
| 7 | 15.4324 |
| 8 | 17.637 |
| 9 | 19.8416 |
| 10 | 22.0462 |
| 15 | 33.0693 |
| 20 | 44.0925 |
| 25 | 55.1156 |
| 30 | 66.1387 |
| 40 | 88.1849 |
| 50 | 110.231 |
| 75 | 165.347 |
| 100 | 220.462 |
| 200 | 440.925 |
| 250 | 551.156 |
| 500 | 1102.31 |
| 1000 | 2204.62 |
FAQ
How many pounds are in one kilogram?
1 kg = 2.20462 lb. The factor comes from the SI definitions of both units (NIST SP 811 / BIPM), so it is exact or correct to at least 10 significant figures.
What is the formula to convert kilograms to pounds?
Multiply the value in kilograms by 2.204622622: pounds = kilograms × 2.204622622. For example, 5 kg = 11.0231 lb.
How do I convert pounds back to kilograms?
Multiply by the inverse factor 0.45359237 (kilograms = pounds × 0.45359237), or use the pounds-to-kilograms page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=kg&to_unit=lb - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"kg","to_unit":"lb"} - Markdown: https://tttkmbb.com/conversion/kg-to-lbs.md · JSON: https://tttkmbb.com/conversion/kg-to-lbs.json (add
?value=for a result) · Units: /api/v1/units?quantity=mass - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.