Ounces to Pounds Converter (oz to lb)
Convert ounces (oz) to pounds (lb) or pounds to ounces instantly. 16 oz = 1 lb exactly; 32 oz = 2 lb. Includes a conversion table and reverse conversion.
How it works
Ounces ÷ 16 = pounds. Pounds × 16 = ounces.
Formula / calculation method
pounds = ounces ÷ 16ounces = pounds × 16
Worked examples
- 16 oz equals exactly 1 lb.
- 32 oz equals exactly 2 lb.
- 11.5 oz equals 0.71875 lb.
When this tool helps
Useful for food packaging, shipping, recipes, postal weights, retail products, and everyday US customary weight measurements.
Related calculations: grams to ounces and kilograms to pounds.
Browse this topic: Weight & Mass Converters · Mass & Weight Standards Guide.
Quick reference: Ounces to pounds conversion chart
These common ounce-to-pound values use the exact relationship 16 oz = 1 lb.
| Input | Result |
|---|---|
| 1 oz | 0.0625 lb |
| 2 oz | 0.125 lb |
| 3 oz | 0.1875 lb |
| 4 oz | 0.25 lb |
| 5 oz | 0.3125 lb |
| 6 oz | 0.375 lb |
| 7 oz | 0.4375 lb |
| 8 oz | 0.5 lb |
| 10 oz | 0.625 lb |
| 11.5 oz | 0.71875 lb |
| 12 oz | 0.75 lb |
| 16 oz | 1 lb |
| 20 oz | 1.25 lb |
| 24 oz | 1.5 lb |
| 32 oz | 2 lb |
| 40 oz | 2.5 lb |
| 64 oz | 4 lb |
| 80 oz | 5 lb |
| 100 oz | 6.25 lb |
Accuracy and definitions
This tool uses avoirdupois ounces, where exactly 16 ounces make one pound. It does not use troy ounces.
Reference standards
Where a published measurement definition applies, Solveberry links to primary standards rather than relying only on secondary converter sites.
- NIST Guide to the SI — Appendix B.8 conversion factors
- BIPM SI Brochure — International System of Units
Methodology & verification
- Method
- Ounces ÷ 16 = pounds. Pounds × 16 = ounces.
- Verification
- The displayed formula is cross-checked against Solveberry regression cases before release. Calculator inputs and results stay in the browser.
- Last reviewed
- 2026-09-05
Results are calculated locally in your browser. Optional analytics do not include calculator input values or results.
Common questions
How many pounds is 32 oz?
32 avoirdupois ounces equals exactly 2 pounds.
How many pounds is 11.5 oz?
11.5 ounces divided by 16 equals 0.71875 pound.
Does this use troy ounces?
No. It uses avoirdupois ounces, the everyday weight system in which 16 oz = 1 lb.
Can I convert fractional pounds?
Yes. Decimal pound values are supported and multiplied by 16 to obtain ounces.
Can I convert in the opposite direction on this page?
Yes. Use the “Convert from” selector or Swap units button; Solveberry keeps both directions on one canonical page.
Why can my result differ slightly from another converter?
Differences usually come from rounding or from selecting a different regional measurement standard. Solveberry shows the factor or standard used on the page.