How to convert ounces to pounds
Formula: lb = oz ÷ 16
Worked example: 8 oz → 8 ÷ 16 = 0.5 lb
There are exactly 16 ounces in a pound. A weight written as 7 lb 8 oz is 7.5 lb; to go back, multiply the decimal part by 16 (0.5 × 16 = 8 oz).
Ounces to pounds conversion chart
| Ounces (oz) | Pounds (lb) |
|---|---|
| 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 |
| 12 oz | 0.75 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 |
| 250 oz | 15.625 lb |
| 500 oz | 31.25 lb |
| 1,000 oz | 62.5 lb |
What is an ounce?
The avoirdupois ounce is one sixteenth of a pound, exactly 28.349523125 grams. Americans use it for food portions, packaged goods and baby weights. It is a weight, not to be confused with the fluid ounce used for volume, or the troy ounce used for gold.
What is a pound?
The international avoirdupois pound has been exactly 0.45359237 kilogram since 1959, and holds 16 ounces. It is the US unit for body weight, groceries, shipping and gym plates. The abbreviation lb comes from libra, the Roman pound.