Pounds to Ounces Converter
Convert pounds to ounces in one step. Enter a weight in pounds and get ounces, with the formula, examples and a quick-reference table below.
Ounces = Pounds × 16
Pounds to Ounces Formula
There are exactly 16 ounces in a pound, so to convert pounds to ounces you multiply by 16. To convert ounces to pounds, divide by 16. Because the factor is whole and exact, results are exact to the last digit shown.
About Pounds and Ounces
A pound (lb) is the main US customary and imperial unit of weight, defined as exactly 0.45359237 kilograms. An ounce (oz) is one sixteenth of a pound. Weights are often stated in both, for example 8 lb 6 oz.
How to Convert Pounds to Ounces
- Enter the weight in pounds. Decimals such as 7.25 are fine.
- The answer in ounces appears instantly, or press Convert Now.
- Use Swap Units to convert ounces to pounds, Copy Result to copy the answer, or Clear to start again.
By hand: multiply the pounds by 16. For a weight given as pounds and ounces, convert the pounds first and add the ounces. For 8 lb 6 oz: 8 × 16 = 128, and 128 + 6 = 134 oz. Weight cannot be negative, so only zero and positive values are accepted.
Practical Examples
- Baby weight: 7.5 lb is 120 oz (7 lb 8 oz).
- Groceries: a 2.5 lb bag of potatoes is 40 oz.
- Pound of butter: 1 lb is 16 oz, or four 4 oz sticks.
- Quarter pounder: 0.25 lb is 4 oz.
- Parcel: a 3.2 lb package is 51.2 oz.
Pounds to Ounces – Common Values
Quick reference for frequently used conversions
| Pounds (lb) | Ounces (oz) | Grams (g) |
|---|---|---|
| 0.25 lb | 4 oz | 113.4 g |
| 0.5 lb | 8 oz | 226.8 g |
| 1 lb | 16 oz | 453.59 g |
| 1.5 lb | 24 oz | 680.39 g |
| 2 lb | 32 oz | 907.18 g |
| 3 lb | 48 oz | 1,360.78 g |
| 4 lb | 64 oz | 1,814.37 g |
| 5 lb | 80 oz | 2,267.96 g |
| 6 lb | 96 oz | 2,721.55 g |
| 7 lb | 112 oz | 3,175.15 g |
| 8 lb | 128 oz | 3,628.74 g |
| 10 lb | 160 oz | 4,535.92 g |
| 15 lb | 240 oz | 6,803.89 g |
| 20 lb | 320 oz | 9,071.85 g |
| 25 lb | 400 oz | 11,339.81 g |
| 50 lb | 800 oz | 22,679.62 g |
Where and Why This Conversion Is Used
The US customary system uses pounds for heavier items and ounces for lighter ones, so weights are often given as a mix of the two, such as 7 lb 8 oz.
- Babies and medicine: birth weights are recorded in pounds and ounces in the US, and care guidance may use ounces.
- Cooking: recipes and butcher counters use pounds and ounces together.
- Shipping: postal and courier rates for light parcels are set in ounces, heavier ones in pounds.
- Pets: small-animal weights and food portions are tracked in ounces.
- Sports and gear: boxing gloves, weights and tackle are described in ounces.
For metric conversions try KG to LBS and Grams to Ounces.