How to convert pounds to ounces
Formula: oz = lb × 16
Worked example: 150 lb → 150 × 16 = 2,400 oz
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).
Pounds to ounces conversion chart
| Pounds (lb) | Ounces (oz) |
|---|---|
| 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 |
| 12 lb | 192 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 | 1,200 oz |
| 100 lb | 1,600 oz |
| 250 lb | 4,000 oz |
| 500 lb | 8,000 oz |
| 1,000 lb | 16,000 oz |
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.
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.