Pound
Definition: A pound (symbol: lb) is a unit of mass used in the imperial and US customary systems of measurement. One pound is exactly 0.4535 kilograms.
History/origin: The pound originates from the Roman unit “libra,” which is where the abbreviation “lb” comes from. Various definitions of the pound existed throughout history, but in 1959, the international avoirdupois pound was standardized as exactly 0.4535 kilograms. The avoirdupois system, widely used since the 13th century, divides the pound into 16 ounces, making it convenient for trade and commerce.
Current use: Widely used in the United States and the United Kingdom for everyday measurements, particularly body weight, and in food labeling.
Ounce
Definition: An ounce (symbol: oz) is a unit of mass in the imperial and US customary systems. One ounce is equal to 1/16 of a pound or approximately 28.3495 grams.
History/origin: The ounce originated from the Roman uncia, which was 1/12 of a Roman pound. Over time, different regions had various definitions of the ounce, but the avoirdupois ounce became widely used in the 14th century. The modern definition was established in 1959.
Current use: Primarily used in the United States for measuring packaged foods, cooking ingredients, and postal items.
Lbs to Oz Conversion Table
| lbs | oz |
|---|---|
| 0.01 lbs | 0.1600 oz |
| 0.10 lbs | 1.6000 oz |
| 1.00 lbs | 16.0000 oz |
| 2.00 lbs | 32.0000 oz |
| 3.00 lbs | 48.0000 oz |
| 5.00 lbs | 80.0000 oz |
| 10.00 lbs | 160.0000 oz |
| 20.00 lbs | 320.0001 oz |
| 50.00 lbs | 800.0002 oz |
| 100.00 lbs | 1,600.0004 oz |
| 1,000.00 lbs | 16,000.0042 oz |
Common Lbs to Oz Conversions
| lbs | oz |
|---|---|
| 0.1 lbs | 7.7766 oz |
| 0.25 lbs | 19.4415 oz |
| 0.5 lbs | 38.883 oz |
| 1 lbs | 77.7659 oz |
| 2 lbs | 155.5318 oz |
| 3 lbs | 233.2978 oz |
| 4 lbs | 311.0637 oz |
| 5 lbs | 388.8296 oz |
| 10 lbs | 777.6592 oz |
| 20 lbs | 1.56K oz |
| 50 lbs | 3.89K oz |
| 100 lbs | 7.78K oz |