Pound to Ounce Converter
Conversion Formula
Factor
Formula
About Pound
The pound or pound-mass is a unit of mass used in the imperial, United States customary, and other systems of measurement. The most commonly used pound today is the international avoirdupois pound.
Facts About Pounds
- 1 pound = 16 ounces
- 1 pound ≈ 0.453592 kilograms
- 1 pound = 7000 grains
- The international avoirdupois pound is defined as exactly 0.45359237 kilograms
Common Uses
- Body weight measurement in the United States and United Kingdom
- Grocery and food packaging in the US
- Shipping and postage weights
- Gym and fitness equipment weights
- Cooking and recipe measurements
History
The pound has a long history dating back to ancient Rome. The word "pound" comes from the Latin word "pondus," meaning weight. The avoirdupois pound was standardized in 1959 by international agreement between the United States and countries of the Commonwealth of Nations. The pound has been used in England since the 14th century and became the standard unit of weight in the British imperial system.
About Ounce
The ounce is a unit of mass used in British imperial and United States customary systems. The most commonly used ounce is the international avoirdupois ounce.
Facts About Ounces
- 1 ounce = 1/16 of a pound
- 1 ounce ≈ 28.3495 grams
- 16 ounces = 1 pound
- The international avoirdupois ounce is defined as exactly 28.349523125 grams
Common Uses
- Food packaging and recipes in the United States
- Postal items and small package weights
- Precious metals (troy ounce)
- Fabric weight measurements (denim, etc.)
- Cooking ingredient measurements
History
The ounce derives from the Ancient Roman "uncia," meaning a twelfth, which was a unit in the Ancient Roman units of measurement. The term was borrowed into Middle English through Anglo-Norman and Middle French. The abbreviation "oz" came from the Italian cognate "onza." The international avoirdupois ounce was standardized in 1959 under the international yard and pound agreement.
Conversion Table
Pound(lb) | Ounce(oz) |
|---|---|
1 | 16 |
2 | 32 |
3 | 48 |
4 | 64 |
5 | 80 |
6 | 96 |
7 | 112 |
8 | 128 |
9 | 144 |
10 | 160 |
Conversion Examples
Convert 1 Pound to Ounce
- Conversion Factor: 1 lb = 16 oz
- Conversion Formula: oz = lb × 16
- Calculation: 1 lb × 16 = 16 oz
Convert 10 Pound to Ounce
- Conversion Factor: 1 lb = 16 oz
- Conversion Formula: oz = lb × 16
- Calculation: 10 lb × 16 = 160 oz
Convert 100 Pound to Ounce
- Conversion Factor: 1 lb = 16 oz
- Conversion Formula: oz = lb × 16
- Calculation: 100 lb × 16 = 1,600 oz
Convert 1,000 Pound to Ounce
- Conversion Factor: 1 lb = 16 oz
- Conversion Formula: oz = lb × 16
- Calculation: 1,000 lb × 16 = 16,000 oz