Convert

Ounce to Pound

Exact answer: 1 oz = 0.0625 lb (exact defined factor)

Ounce and Pound describe the same quantity from the Mass family but come from different systems of units. The factor is defined exactly. Mass figures range from micrograms in analytics to tonnes in freight.

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Convert units with formula, context and precision

UnitCloud is a local measurement lab for everyday work, engineering, IT, energy, mobility and design. Every conversion shows result, formula, base unit, rounding and the common mistake.

What do you want to convert?

From8 oz

Result0.5 lb

Factor1 oz = 0.0625 lb

Source basisBIPM SI Brochure · NIST Guide to SI Appendix B

Examples

018 oz = 0.5 lb

Example value from the reference table. Internal calculation uses stored factors; display output is rounded.

02Common mistake

Pound is not always the same local unit. UnitCloud uses international avoirdupois values.

03Base unit: g

1 oz = 28.349523125 g. Then the value is converted through the base unit g into Pound.

Table

Ounce to Pound
Ounce	Pound
8	0.5
16	1
32	2
64	4
100	6.25
160	10

Formula

1 oz = 28.349523125 g. Then the value is converted through the base unit g into Pound.

Sources

BIPM SI BrochureSI base units, prefixes and official SI context.NIST Guide to SI Appendix BNIST conversion-factor method and non-SI factors.

Related conversions

Pound to Kilogramlb → kgMass Kilogram to Poundkg → lbMass Ounce to Gramoz → gMass Gram to Ounceg → ozMass

Search and practice paths

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Factor origin

Factors come from the stored source family and are not derived from rounded display values.

Rounding rule

UnitCloud keeps calculating with stored factors and rounds only the displayed output by selected precision.

When not to use

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.

Citation

Citation note: UnitCloud, conversion with formula, sources reviewed: September 2026. Mass. Source basis: BIPM SI Brochure · NIST Guide to SI Appendix B.

Common questions

What is the factor for Ounce to Pound?

1 oz = 0.0625 lb

Which formula does Ounce to Pound use?

1 oz = 28.349523125 g. Then the value is converted through the base unit g into Pound.

What is the most common mistake?

Pound is not always the same local unit. UnitCloud uses international avoirdupois values.

When should I verify the result?

Do not use as the sole basis for official, medical, safety-critical or contractual decisions.