Weight converter
Ounces to Pounds
Converting Ounces to Pounds is a single multiplication when you know the factor. One oz equals 0.0625 lb, so multiply the value in oz by 0.0625. The calculator below works in both directions and accepts decimals.
Formula 1 oz = 0.0625 lb
Need the other direction? Pounds to Ounces.
How to convert Ounces to Pounds
The avoirdupois ounce is one sixteenth of a pound, about 28.35 grams. The international avoirdupois pound is exactly 0.45359237 kilograms.
To convert Ounces to Pounds, multiply the value in oz by 0.0625. For example, 10 oz × 0.0625 = 0.625 lb. This works because the ratio between the two units is constant for every value in weight.
Worked examples
| oz | lb |
|---|---|
| 1 oz | 0.0625 lb |
| 2.5 oz | 0.15625 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 |
Reverse conversion
| lb | oz |
|---|---|
| 1 lb | 16 oz |
| 5 lb | 80 oz |
| 10 lb | 160 oz |
| 25 lb | 400 oz |
| 50 lb | 800 oz |
| 100 lb | 1,600 oz |
When this conversion is useful
This is the calculation you need when you are comparing body weight, shipping weight or a recipe across metric and imperial units. Because the factor is fixed, you can use the same number for a single measurement or for a batch: 1,000 oz is 62.5 lb.
Is the conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Reference: BIPM SI Brochure and NIST SP 811. Last reviewed: 2026-11-01.
oz to lb conversion chart
The chart lists the most requested values. For a value that is not here, use the converter at the top of the page.
| Ounces (oz) | Pounds (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 |
| 6 oz | 0.375 lb |
| 7 oz | 0.4375 lb |
| 8 oz | 0.5 lb |
| 9 oz | 0.5625 lb |
| 10 oz | 0.625 lb |
| 11 oz | 0.6875 lb |
| 12 oz | 0.75 lb |
| 13 oz | 0.8125 lb |
| 14 oz | 0.875 lb |
| 15 oz | 0.9375 lb |
| 16 oz | 1 lb |
| 17 oz | 1.0625 lb |
| 18 oz | 1.125 lb |
| 19 oz | 1.1875 lb |
| 20 oz | 1.25 lb |
| 21 oz | 1.3125 lb |
| 22 oz | 1.375 lb |
| 23 oz | 1.4375 lb |
| 24 oz | 1.5 lb |
| 25 oz | 1.5625 lb |
| 26 oz | 1.625 lb |
| 27 oz | 1.6875 lb |
| 28 oz | 1.75 lb |
| 29 oz | 1.8125 lb |
| 30 oz | 1.875 lb |
| 31 oz | 1.9375 lb |
| 32 oz | 2 lb |
| 33 oz | 2.0625 lb |
| 34 oz | 2.125 lb |
| 35 oz | 2.1875 lb |
| 36 oz | 2.25 lb |
| 37 oz | 2.3125 lb |
| 38 oz | 2.375 lb |
| 39 oz | 2.4375 lb |
| 40 oz | 2.5 lb |
| 41 oz | 2.5625 lb |
| 42 oz | 2.625 lb |
| 43 oz | 2.6875 lb |
| 44 oz | 2.75 lb |
| 45 oz | 2.8125 lb |
| 46 oz | 2.875 lb |
| 47 oz | 2.9375 lb |
| 48 oz | 3 lb |
| 49 oz | 3.0625 lb |
| 50 oz | 3.125 lb |
| 60 oz | 3.75 lb |
| 70 oz | 4.375 lb |
| 80 oz | 5 lb |
| 90 oz | 5.625 lb |
| 100 oz | 6.25 lb |
Frequently asked questions
How many Pounds are in 1 Ounces?
1 oz equals 0.0625 lb.
How do I convert Ounces to Pounds?
Multiply the oz value by 0.0625. Example: 25 oz = 1.5625 lb.
What is 2.5 oz in lb?
2.5 oz = 0.15625 lb.
Is the oz to lb conversion exact?
Yes for practical use: the factors come from international definitions, with rounding applied only for display.
Does the calculator work offline?
Yes. The conversion runs in your browser with JavaScript, so it works after the page has loaded, even without a connection.