Convert Ounce (oz) to Pound (lb)
Category: Mass
1 oz = 0.0625 lb
Precision: 6 decimals; very small non-zero results use significant digits.
How to convert ounce (oz) to pound (lb)
Mass quantifies the amount of matter. The kilogram is defined by Planck’s constant, which anchors mass to fundamental physics. In practice, grams and pounds dominate everyday use—from recipes and parcels to body weight—while tonnes and long tons appear in logistics and industry.
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Quick conversion table
Handy values for Ounce (oz) to Pound (lb). Click a value to calculate that result.
| Ounce (oz) | Pound (lb) |
|---|---|
| 0.0625 | |
| 0.03125 | |
| 0.15625 | |
| 0.625 |
Conversion formula
Use the following formula:
Pound (lb) ≈ Ounce (oz) × 0.0625
Convert mass from Ounce (oz) to Pound (lb) using a fixed unit ratio. Round only the final result.
Common mistakes
- Confusing mass (lb) with force (lbf) in engineering contexts.
- Mixing metric tonnes (t) with short/long tons.
Unit facts
- Ounce (oz): An ounce (avoirdupois) is exactly 28.349523125 g. Note: precious metals use the troy ounce (~31.1035 g).
- Pound (lb): The (avoirdupois) pound is exactly 0.45359237 kg (1959). Still used for body weight and groceries in US/UK.
About Ounce (oz)
Ounce (oz)
Equals 1/16 lb; exactly 28.349523125 g. Used for portions, postage, and precious metals (note: troy ounce differs).
History: Medieval trade used multiple ounces; today the avoirdupois ounce dominates in retail while troy ounce survives in bullion markets.
About Pound (lb)
Pound (lb)
Imperial/US unit of mass; exactly 0.45359237 kg. Popular for body weight, groceries, and engineering specs in US industry.
History: Standardized in 1959; traces back to the Roman libra. Different historical pounds existed (avoirdupois, troy) before modern unification.
Frequently asked questions
How many Pound (lb) are in one Ounce (oz)?
Is Ounce (oz) to Pound (lb) conversion exact?
What is the fastest way to convert Ounce (oz) to Pound (lb)?
Convert Ounce (oz) to other units
- oz → g Gram (g)
Convert other units to Pound (lb)
- kg → lb Kilogram (kg)