How to use Pounds to Ounces
Enter the value in lb, then select Calculate. The result is shown in oz. Uses avoirdupois mass ounces, not troy ounces or fluid ounces.
The formula
oz = lb × 16
Examples
- 1 pounds to ounces
16 oz
- 10 pounds to ounces
160 oz
- 250 pounds to ounces
4,000 oz
Pounds to Ounces conversion table
| Pounds | Ounces |
|---|---|
| 1 | 16 oz |
| 2 | 32 oz |
| 3 | 48 oz |
| 4 | 64 oz |
| 5 | 80 oz |
| 6 | 96 oz |
| 7 | 112 oz |
| 8 | 128 oz |
| 9 | 144 oz |
| 10 | 160 oz |
| 15 | 240 oz |
| 20 | 320 oz |
| 25 | 400 oz |
| 30 | 480 oz |
| 40 | 640 oz |
| 50 | 800 oz |
| 75 | 1,200 oz |
| 100 | 1,600 oz |
| 250 | 4,000 oz |
| 500 | 8,000 oz |
| 1,000 | 16,000 oz |
Limitations and assumptions
Uses standard unit definitions. Results are rounded to at most eight decimal places; very small results may round to zero. Uses avoirdupois mass ounces, not troy ounces or fluid ounces.
Frequently asked questions
How many ounces are in one pound?
One pound equals 16 oz. The formula is oz = lb × 16.
How do I convert pounds to ounces?
Use oz = lb × 16. For example, 10 pounds gives 160 oz. Enter your own value above and the converter does the arithmetic for you.
How do I convert ounces back to pounds?
Use the Ounces to Pounds converter, or invert the factor by dividing instead of multiplying.
Is this conversion exact?
The avoirdupois pound is defined as exactly 0.45359237 kg and the ounce as 1/16 of a pound, so mass conversions are exact apart from display rounding.
Reference source
Checked against the official reference on nist.gov.
Formula, example and source checked 2026-11-09. This is a content check, not independent expert certification.