How to convert ounces to pounds
To convert ounces to pounds, multiply by 0.0625. There are exactly 16 ounces in a pound, which helps with shipping weights, recipes and produce prices.
Ounce to Pound conversion table
| Ounce (oz) | Pound (lb) |
|---|---|
| 0.1 oz | 0.00625 lb |
| 0.5 oz | 0.03125 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 |
| 10 oz | 0.625 lb |
| 20 oz | 1.25 lb |
| 25 oz | 1.5625 lb |
| 50 oz | 3.125 lb |
| 100 oz | 6.25 lb |
| 500 oz | 31.25 lb |
| 1,000 oz | 62.5 lb |
About the units
Ounce (oz)
An avoirdupois ounce is 1/16 of a pound, exactly 28.349523125 grams, used for food portions and postage.
Pound (lb)
The international avoirdupois pound is defined as exactly 0.45359237 kilograms.
How to use this converter
- Type the number of ounces (oz) in the input box.
- The result in pounds appears instantly — no button needed.
- See the same value in every other weight unit just below.
- Use “Swap units” to convert pounds back to ounces.
When you’ll use the ounce to pound conversion
A package weighs 37 ounces on your kitchen scale and the courier charges by the pound. Converting gives about 2.31 lb, so you know it falls into the 3-lb rate band.
A newborn’s weight is written as 120 ounces on a hospital form. Converting gives 7.5 lb, the figure family members will ask about.
💡 For a quick estimate in your head, multiply by about 0.063 (the exact factor is 0.0625).
Watch out for these mix-ups
- Dividing by 10 instead of 16.
- Weighing liquid by its fluid-ounce volume instead of on a scale.
- Reading 2.5 lb as 2 lb 5 oz.
- Leaving out the box and packing material when estimating postage.
Tips for better results
- Divide ounces by 16.
- Convert decimals into pounds and ounces.
- Round shipping weights up.
💡 Practical tip: 2.5 pounds is 2 pounds 8 ounces, not 2 pounds 5 ounces.
Frequently asked questions
How many pounds are in one ounce?
One ounce equals 0.0625 pounds. 0.0625 is the exact factor used by this converter.
How do I convert ounces to pounds?
Multiply the value in ounces by 0.0625. To go the other way, multiply pounds by 16.
What is 10 oz in lb?
10 oz = 0.625 lb. Also, 5 oz = 0.3125 lb and 100 oz = 6.25 lb.
What is the difference between a ounce and a pound?
An avoirdupois ounce is 1/16 of a pound, exactly 28.349523125 grams, used for food portions and postage. The international avoirdupois pound is defined as exactly 0.45359237 kilograms.
Is this tool free and private?
Yes — the Ounce to Pound 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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