Ounces to Pounds
An instant ounces-to-pounds converter, with the formula and a reference table below.
| Ounces | Pounds |
|---|---|
| 1 oz | 0.0625 lb |
| 2 oz | 0.125 lb |
| 3 oz | 0.1875 lb |
| 5 oz | 0.3125 lb |
| 10 oz | 0.625 lb |
| 25 oz | 1.5625 lb |
| 50 oz | 3.125 lb |
| 100 oz | 6.25 lb |
How to use
- Enter a value in the Ounces field.
- The Pounds figure appears immediately — no button to press.
- Typing in the Pounds field converts back to Ounces the same way.
- Use the reference table for the values that come up most often.
Ounces to Pounds formula
The factor from ounces to pounds is 0.0625.
lb = oz × 0.0625
Put another way, one ounce is exactly 1/16 of a pound.
Why this factor: the ounce and the pound are both defined against the kilogram, so dividing one definition by the other gives 0.0625 directly. Both definitions are set out in full below.
To go the other way, divide by 0.0625 — or use the Pounds to Ounces converter, which is the same calculation reversed.
Worked example
Take 150 oz and multiply by the factor 0.0625: the result is 9.375 lb.
150 oz × 0.0625 = 9.375 lb
The converter above does this for any value you type, in either direction.
What is an ounce?
An ounce is one sixteenth of a pound, used for small weights in the US.
Definition: Exactly 28.349523125 grams — one sixteenth of the international avoirdupois pound.
Where it is used: Food packaging, postal weights, and coffee and spice quantities in the US.
Worth knowing: Not the same as a fluid ounce, which measures volume. Also distinct from the troy ounce (31.103 g) used for gold and silver.
What is a pound?
The pound is the primary unit of weight in the United States.
Definition: Exactly 0.45359237 kilogram since the 1959 International Yard and Pound Agreement — an exact definition, not a rounded one.
Where it is used: Body weight, grocery and produce pricing, shipping rates, and gym weights in the US.
Worth knowing: This is the avoirdupois pound. The troy pound used for precious metals is different (about 373 g).
Ounces vs Pounds
The ounce and the pound belong to the same family of units, so converting between them is usually a matter of shifting a decimal point or applying a small whole-number factor.
Frequently asked questions
How many pounds are in an ounce?
One ounce equals 0.0625 pounds.
What is the formula to convert ounces to pounds?
Multiply the number of ounces by 0.0625. To reverse it, divide by 0.0625 instead.
How do I convert pounds back to ounces?
Divide by 0.0625, which is the same as multiplying by 16.
How many pounds are in 10 ounces?
10 oz works out to 0.625 lb.
Is there anything to watch out for with ounces?
Not the same as a fluid ounce, which measures volume. Also distinct from the troy ounce (31.103 g) used for gold and silver.
How is the ounce defined?
Exactly 28.349523125 grams — one sixteenth of the international avoirdupois pound.