How to convert pounds to ounces
To convert pounds to ounces, multiply by 16. There are exactly 16 ounces in a pound, which makes this conversion simple but easy to slip on when decimals are involved.

Pound to Ounce conversion table
| Pound (lb) | Ounce (oz) |
|---|---|
| 0.1 lb | 1.6 oz |
| 0.5 lb | 8 oz |
| 1 lb | 16 oz |
| 2 lb | 32 oz |
| 3 lb | 48 oz |
| 4 lb | 64 oz |
| 5 lb | 80 oz |
| 10 lb | 160 oz |
| 20 lb | 320 oz |
| 25 lb | 400 oz |
| 50 lb | 800 oz |
| 100 lb | 1,600 oz |
| 500 lb | 8,000 oz |
| 1,000 lb | 16,000 oz |
About the units
Pound (lb)
The international avoirdupois pound is defined as exactly 0.45359237 kilograms.
Ounce (oz)
An avoirdupois ounce is 1/16 of a pound, exactly 28.349523125 grams, used for food portions and postage.
How to use this converter
- Type the number of pounds (lb) in the input box.
- The result in ounces appears instantly — no button needed.
- See the same value in every other weight unit just below.
- Use “Swap units” to convert ounces back to pounds.
When you’ll use the pound to ounce conversion
A recipe needs 0.75 lb of shrimp and your kitchen scale shows ounces. Converting gives 12 oz.
A baby weighed 7.4 lb at birth and the pediatrician’s chart uses pounds and ounces. Converting the decimal gives 7 lb 6.4 oz.
💡 The factor is exact and easy to remember: 1 lb = 16 oz.
Watch out for these mix-ups
- Multiplying by 10 instead of 16.
- Writing 7.4 lb as 7 lb 4 oz.
- Using fluid ounces for liquids measured by volume.
- Rounding portions too heavily.

Tips for better results
- Multiply the decimal part of a pound by 16 to get ounces.
- Use a kitchen scale set to the unit your recipe uses.
- Keep one decimal place for portion tracking.
💡 Practical tip: A quarter pound is exactly 4 ounces — the source of the “quarter pounder” name.
Frequently asked questions
How many ounces are in one pound?
One pound equals 16 ounces. 16 is the exact factor used by this converter.
How do I convert pounds to ounces?
Multiply the value in pounds by 16. To go the other way, multiply ounces by 0.0625.
What is 10 lb in oz?
10 lb = 160 oz. Also, 5 lb = 80 oz and 100 lb = 1,600 oz.
What is the difference between a pound and a ounce?
The international avoirdupois pound is defined as exactly 0.45359237 kilograms. An avoirdupois ounce is 1/16 of a pound, exactly 28.349523125 grams, used for food portions and postage.
Is this tool free and private?
Yes — the Pound to Ounce is completely free with no sign-up, and it runs entirely in your browser, so the values you enter are never uploaded to our servers.
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