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Ounces to Pounds (oz to lb)
Convert ounces to pounds: 1 oz = 0.0625 lb. Exact conversion factor, formula, 22-row table and worked examples, with JSON API and MCP access.
Formula
1 oz = 0.0625 lb
pounds = ounces × 0.0625 — reverse: ounces = pounds × 16
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 oz = 0.3125 lb
- 12.5 oz = 0.78125 lb
- 100 oz = 6.25 lb
Ounces to pounds conversion table
| Ounces (oz) | Pounds (lb) |
|---|---|
| 1 | 0.0625 |
| 2 | 0.125 |
| 3 | 0.1875 |
| 4 | 0.25 |
| 5 | 0.3125 |
| 6 | 0.375 |
| 7 | 0.4375 |
| 8 | 0.5 |
| 9 | 0.5625 |
| 10 | 0.625 |
| 15 | 0.9375 |
| 20 | 1.25 |
| 25 | 1.5625 |
| 30 | 1.875 |
| 40 | 2.5 |
| 50 | 3.125 |
| 75 | 4.6875 |
| 100 | 6.25 |
| 200 | 12.5 |
| 250 | 15.625 |
| 500 | 31.25 |
| 1000 | 62.5 |
FAQ
How many pounds are in one ounce?
1 oz = 0.0625 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 ounces to pounds?
Multiply the value in ounces by 0.0625: pounds = ounces × 0.0625. For example, 5 oz = 0.3125 lb.
How do I convert pounds back to ounces?
Multiply by the inverse factor 16 (ounces = pounds × 16), or use the pounds-to-ounces page.
Related conversions
Machine access
- API:
GET https://tttkmbb.com/api/v1/convert?value=5&from_unit=oz&to_unit=lb - MCP: server
https://tttkmbb.com/mcp, toolconvert_unitswith{"value":5,"from_unit":"oz","to_unit":"lb"} - Markdown: https://tttkmbb.com/conversion/oz-to-lbs.md · JSON: https://tttkmbb.com/conversion/oz-to-lbs.json (add
?value=for a result) · Units: /api/v1/units?quantity=mass - OpenAPI operationId:
convert_units. Freshness:static. Authentication: none.