Pounds (lbs) to Ounces (oz) Converter
Enter a value to instantly convert between weight units.
1 Pound = 16 Ounce
Key Formulas
Kilogram → Pound
lb = kg × 2.20462Pound → Kilogram
kg = lb × 0.453592Gram → Ounce
oz = g × 0.035274Ounce → Gram
g = oz × 28.3495Formula
oz = lb × 16One pound equals 16 ounces — a relationship that dates to Roman times when a pound was divided into 16 unciae (ounces). This is one of the oldest and most practical conversion factors: 1 lb = 16 oz is exact, simple, and used daily in US cooking, shipping, and commerce.
Source: NIST SP 811, Table B.8
Frequently Asked Questions
Real-World Examples
A US recipe calling for 1 lb of butter converts to 16 oz — helpful for when you only have ounce measuring cups.
1 lb = 16 oz
A postal package weighing 5 lbs converts to 80 oz — useful for checking the next postal rate tier.
5 lb = 80 oz
A US cook measuring half a pound of cheese needs 8 oz for the recipe.
0.5 lb = 8 oz
A shipping company calculating 10 lbs of parcels in ounces for the manifest — 160 oz.
10 lb = 160 oz