Convert Pound to Ounce - Free Calculator
Fast, accurate weight conversion calculator. Convert pound to ounce instantly with precise results.
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How to Convert Pound to Ounce
Use this free online calculator to convert Pound to Ounce instantly. This weight conversion tool provides accurate results for all your measurement needs.
Quick Reference
Pound to Ounce Conversion Formula
To convert Pound to Ounce, multiply by 16.
To convert Ounce back to Pound, divide by 16 (or multiply by 0.0625).
About These Units
About Pound
The pound is a traditional unit of mass or weight. The Romans used a pound (the libra pondo, "pound of weight") divided into 12 ounces. All the countries of western Europe used similar units, divided into 12 or 16 ounces, until the advent of the metric system. 12-ounce pounds were common in Italy and southern France, but in Spain and northern Europe 16-ounce pounds became the norm. The word libra is used for this unit in Italy, Spain, and Portugal; in France it is called the livre. Further north, the Latin word pondo ("weight") is the origin of the names of the English pound, Dutch pond, Danish pund, German pfund, and Russian funt. In England, two different "pound" units became standard. The unit now in general use in the United States is the avoirdupois pound, so-called from a French phrase avoir du poids, literally "goods of weight," indicating simply that the goods were being sold by weight rather than by volume or by the piece. The avoirdupois pound is divided into 16 ounces. By international agreement, one avoirdupois pound is equal to exactly 453.592 37 grams; this is exactly 175/144 = 1.215 28 troy pounds.
About Ounce
The <b>ounce</b> is a traditional unit of weight. The <b>avoirdupois ounce</b>, the unit commonly used in the United States, is 1/16 pound or about 28.3495 grams. The avoirdupois ounce also equals 175/192 = about 0.911 457 troy ounce or 437.5 grains. The word ounce is from the Latin uncia, meaning a 1/12 part, because the Roman pound was divided into 12 ounces. The word "inch," meaning 1/12 foot, has the same root.
Pound to Ounce Conversion Table
| Pound | Ounce | Ounce | Pound |
|---|---|---|---|
| 0.1 | 1.6 | 0.1 | 0.00625 |
| 0.5 | 8 | 0.5 | 0.03125 |
| 1 | 16 | 1 | 0.0625 |
| 2 | 32 | 2 | 0.125 |
| 5 | 80 | 5 | 0.3125 |
| 10 | 160 | 10 | 0.625 |
| 20 | 320 | 20 | 1.25 |
| 25 | 400 | 25 | 1.5625 |
| 50 | 800 | 50 | 3.125 |
| 100 | 1,600 | 100 | 6.25 |
| 250 | 4,000 | 250 | 15.625 |
| 500 | 8,000 | 500 | 31.25 |
| 1000 | 16,000 | 1000 | 62.5 |
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