Convert Pound to Ounce
Live bidirectional calculator for Pounds (lb) and Ounces (oz) with verified formula and conversion charts.
Weight & Mass8 units
How the Calculation Works (Linear Scaling)
Since 1 Pound = 16 Ounces, multiply the value in Pounds by 16.
Pound to Ounce Conversion Table
Precomputed values for quick reference and printing.
| Pound | Ounce |
|---|---|
| 1 lb | 16 oz |
| 2 lb | 32 oz |
| 3 lb | 48 oz |
| 4 lb | 64 oz |
| 5 lb | 80 oz |
| 6 lb | 96 oz |
| 7 lb | 112 oz |
| 8 lb | 128 oz |
| 9 lb | 144 oz |
| 10 lb | 160 oz |
| 15 lb | 240 oz |
| 20 lb | 320 oz |
| 25 lb | 400 oz |
| 30 lb | 480 oz |
| 40 lb | 640 oz |
| 50 lb | 800 oz |
| 75 lb | 1200 oz |
| 100 lb | 1600 oz |
| Ounce | Pound |
|---|---|
| 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 |
| 9 oz | 0.5625 lb |
| 10 oz | 0.625 lb |
| 15 oz | 0.9375 lb |
| 20 oz | 1.25 lb |
| 25 oz | 1.5625 lb |
| 30 oz | 1.875 lb |
| 40 oz | 2.5 lb |
| 50 oz | 3.125 lb |
| 75 oz | 4.6875 lb |
| 100 oz | 6.25 lb |
๐ Standard Benchmark Reference Values
Standard avoirdupois weight system.
Exact RatioAbout Pound (lb)
The avoirdupois pound is defined as exactly 0.45359237 kilograms by international agreement.
History: Derived from the Roman "libra pondo" (hence the symbol lb). Standardized internationally in 1959.
Common Uses: Body weight in the US and UK, grocery items, cooking, and gym weights.
About Ounce (oz)
The avoirdupois ounce is 1/16 of an avoirdupois pound, exactly 28.349523125 grams.
History: From Latin "uncia" (one-twelfth), though the avoirdupois ounce is 1/16 of a pound.
Common Uses: Food packaging, postal weights, cooking ingredients, and precious metals (note: troy ounce differs).
โ Frequently Asked Questions
How many Ounces are in 1 Pound?
There are exactly 16 Ounces in 1 Pound (1 lb = 16 oz).
What is the formula to convert Pound to Ounce?
The formula is: Ounce = Pound ร 16. Since 1 Pound = 16 Ounces, multiply the value in Pounds by 16.
How do I convert 1 lb to oz manually?
To convert 1 lb to oz: apply the formula Ounce = Pound ร 16. Substituting gives: 1 ร 16 = 16 oz.