Weight conversion
Ounce to Pound converter
Convert oz to lb instantly, choose the displayed precision, and verify the result with the formula and reference table below.
Pound (lb)
Rounded for display only; calculations retain full precision.
Rounding and precision rules
- Convr calculates first and rounds the displayed result only once, at the final step.
- The default is a maximum of 6 decimal places; trailing zeros are removed.
- Very small values that would appear as zero, and values of 10¹² or more, use scientific notation.
- Display precision is not measurement uncertainty. For scientific, engineering, or regulated work, retain only the digits justified by the source measurement.
Practical context
Understanding this conversion
Ounces are convenient for small food, parcel, and product weights. Pounds provide a shorter way to express larger quantities in American household, retail, and shipping contexts.
This page uses avoirdupois units. Troy ounces used for precious metals do not belong to the same 16-ounce-per-pound relationship and require specialist units.
Reviewed August 16, 2026.
Calculation
Ounce to Pound formula
lb = oz × 0.0625
Calculations retain full precision and the result is rounded only for display.
Worked example
For 10 oz, the result is 0.625 lb. Substitute 10 oz into the formula to obtain 0.625 lb.
A numerical value expressed in pound is usually smaller than the same measurement expressed in ounce, because 1 oz equals 0.0625 lb.
Ounce to Pound reference table
Common values rounded to a maximum of 6 decimal places.
| Ounce (oz) | Pound (lb) |
|---|---|
| 1 oz | 0.0625 lb |
| 5 oz | 0.3125 lb |
| 10 oz | 0.625 lb |
| 50 oz | 3.125 lb |
| 100 oz | 6.25 lb |
Understanding the units
About Ounce and Pound
Ounce (oz)
One ounce (oz) equals 0.028349523 kg, the base relationship used for this weight conversion.
Pound (lb)
One pound (lb) equals 0.45359237 kg, the base relationship used for this weight conversion.
When this conversion is useful
Ounce to Pound conversion is useful for shipping, recipes, product specifications, laboratory work, and body-weight records. It lets you compare the same mass or weight across documents, tools, or standards that use different units.
Learn with Convr
Conversion guides
Metric vs Imperial Units: A Practical Comparison
Understand how metric, US customary, and Imperial units differ, where each system is used, and how to convert between them reliably.
Read guide →FoundationsSignificant Figures and Rounding in Unit Conversions
Learn when to round conversion results, how significant figures preserve measurement meaning, and why more decimals do not guarantee more accuracy.
Read guide →Answers at a glance
Frequently asked questions
How many ounces are in one pound?
One avoirdupois pound contains exactly 16 avoirdupois ounces, so one ounce equals exactly 0.0625 pound.
How do I write ounces as pounds and ounces?
Divide the total ounces by 16. The whole-number result is pounds, and the remainder is the additional ounces.
How does Convr round Ounce to Pound results?
Convr keeps full numeric precision during the calculation and rounds only the displayed result. The default is a maximum of 6 decimal places, with selectable precision on this page.
Can I convert negative or decimal ounce values?
Yes. The converter accepts positive, negative, decimal, and scientific-notation values. Negative values are physically meaningful for some scales, such as temperature, but not for every measured quantity.
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