Ounces to Pounds Converter
1 ounce is exactly 0.0625 pounds. To convert ounces to pounds, divide by 16.
Sources: NIST SP 811, NIST Handbook 44 Updated
Result
8 oz = 0.5 lb
= 0 lb 8 oz
How to convert ounces to pounds
pounds = ounces ÷ 16
1 ounce is 1/16 pound, exactly 28.349523125 grams. 1 pound is exactly 0.45359237 kilogram.
The factor is exact in both directions: 1 oz = 0.0625 lb and 1 lb = 16 oz. Nothing is rounded until you choose how many decimals to show.
Worked example: 40 oz
- Start with the value in ounces: 40 oz.
- Divide by 16, because 1 pound = 16 ounces: 40 ÷ 16 = 2.5 lb.
- In pounds and ounces: 2 lb 8 oz.
Ounces and pounds side by side
Ounces to pounds chart
Ounces from 1 to 100 converted to pounds with the exact factor, shown to five significant digits.
| oz | lb | lb + oz |
|---|---|---|
| 1 | 0.0625 | 0 lb 1 oz |
| 2 | 0.125 | 0 lb 2 oz |
| 3 | 0.1875 | 0 lb 3 oz |
| 4 | 0.25 | 0 lb 4 oz |
| 5 | 0.3125 | 0 lb 5 oz |
| 6 | 0.375 | 0 lb 6 oz |
| 7 | 0.4375 | 0 lb 7 oz |
| 8 | 0.5 | 0 lb 8 oz |
| 9 | 0.5625 | 0 lb 9 oz |
| 10 | 0.625 | 0 lb 10 oz |
| 11 | 0.6875 | 0 lb 11 oz |
| 12 | 0.75 | 0 lb 12 oz |
| 13 | 0.8125 | 0 lb 13 oz |
| 14 | 0.875 | 0 lb 14 oz |
| 15 | 0.9375 | 0 lb 15 oz |
| 16 | 1 | 1 lb 0 oz |
| 17 | 1.0625 | 1 lb 1 oz |
| 18 | 1.125 | 1 lb 2 oz |
| 19 | 1.1875 | 1 lb 3 oz |
| 20 | 1.25 | 1 lb 4 oz |
| 21 | 1.3125 | 1 lb 5 oz |
| 22 | 1.375 | 1 lb 6 oz |
| 23 | 1.4375 | 1 lb 7 oz |
| 24 | 1.5 | 1 lb 8 oz |
| 25 | 1.5625 | 1 lb 9 oz |
| oz | lb | lb + oz |
|---|---|---|
| 26 | 1.625 | 1 lb 10 oz |
| 27 | 1.6875 | 1 lb 11 oz |
| 28 | 1.75 | 1 lb 12 oz |
| 29 | 1.8125 | 1 lb 13 oz |
| 30 | 1.875 | 1 lb 14 oz |
| 31 | 1.9375 | 1 lb 15 oz |
| 32 | 2 | 2 lb 0 oz |
| 33 | 2.0625 | 2 lb 1 oz |
| 34 | 2.125 | 2 lb 2 oz |
| 35 | 2.1875 | 2 lb 3 oz |
| 36 | 2.25 | 2 lb 4 oz |
| 37 | 2.3125 | 2 lb 5 oz |
| 38 | 2.375 | 2 lb 6 oz |
| 39 | 2.4375 | 2 lb 7 oz |
| 40 | 2.5 | 2 lb 8 oz |
| 41 | 2.5625 | 2 lb 9 oz |
| 42 | 2.625 | 2 lb 10 oz |
| 43 | 2.6875 | 2 lb 11 oz |
| 44 | 2.75 | 2 lb 12 oz |
| 45 | 2.8125 | 2 lb 13 oz |
| 46 | 2.875 | 2 lb 14 oz |
| 47 | 2.9375 | 2 lb 15 oz |
| 48 | 3 | 3 lb 0 oz |
| 49 | 3.0625 | 3 lb 1 oz |
| 50 | 3.125 | 3 lb 2 oz |
| oz | lb | lb + oz |
|---|---|---|
| 51 | 3.1875 | 3 lb 3 oz |
| 52 | 3.25 | 3 lb 4 oz |
| 53 | 3.3125 | 3 lb 5 oz |
| 54 | 3.375 | 3 lb 6 oz |
| 55 | 3.4375 | 3 lb 7 oz |
| 56 | 3.5 | 3 lb 8 oz |
| 57 | 3.5625 | 3 lb 9 oz |
| 58 | 3.625 | 3 lb 10 oz |
| 59 | 3.6875 | 3 lb 11 oz |
| 60 | 3.75 | 3 lb 12 oz |
| 61 | 3.8125 | 3 lb 13 oz |
| 62 | 3.875 | 3 lb 14 oz |
| 63 | 3.9375 | 3 lb 15 oz |
| 64 | 4 | 4 lb 0 oz |
| 65 | 4.0625 | 4 lb 1 oz |
| 66 | 4.125 | 4 lb 2 oz |
| 67 | 4.1875 | 4 lb 3 oz |
| 68 | 4.25 | 4 lb 4 oz |
| 69 | 4.3125 | 4 lb 5 oz |
| 70 | 4.375 | 4 lb 6 oz |
| 71 | 4.4375 | 4 lb 7 oz |
| 72 | 4.5 | 4 lb 8 oz |
| 73 | 4.5625 | 4 lb 9 oz |
| 74 | 4.625 | 4 lb 10 oz |
| 75 | 4.6875 | 4 lb 11 oz |
| oz | lb | lb + oz |
|---|---|---|
| 76 | 4.75 | 4 lb 12 oz |
| 77 | 4.8125 | 4 lb 13 oz |
| 78 | 4.875 | 4 lb 14 oz |
| 79 | 4.9375 | 4 lb 15 oz |
| 80 | 5 | 5 lb 0 oz |
| 81 | 5.0625 | 5 lb 1 oz |
| 82 | 5.125 | 5 lb 2 oz |
| 83 | 5.1875 | 5 lb 3 oz |
| 84 | 5.25 | 5 lb 4 oz |
| 85 | 5.3125 | 5 lb 5 oz |
| 86 | 5.375 | 5 lb 6 oz |
| 87 | 5.4375 | 5 lb 7 oz |
| 88 | 5.5 | 5 lb 8 oz |
| 89 | 5.5625 | 5 lb 9 oz |
| 90 | 5.625 | 5 lb 10 oz |
| 91 | 5.6875 | 5 lb 11 oz |
| 92 | 5.75 | 5 lb 12 oz |
| 93 | 5.8125 | 5 lb 13 oz |
| 94 | 5.875 | 5 lb 14 oz |
| 95 | 5.9375 | 5 lb 15 oz |
| 96 | 6 | 6 lb 0 oz |
| 97 | 6.0625 | 6 lb 1 oz |
| 98 | 6.125 | 6 lb 2 oz |
| 99 | 6.1875 | 6 lb 3 oz |
| 100 | 6.25 | 6 lb 4 oz |
pounds = ounces ÷ 16. Factors: NIST SP 811, NIST Handbook 44. unitcheck.net/weight/ounces-to-pounds/
Common values
| Ounces | Pounds | What it is |
|---|---|---|
| 4 oz | 0.25 lb | |
| 8 oz | 0.5 lb | |
| 12 oz | 0.75 lb | |
| 16 oz | 1 lb | |
| 32 oz | 2 lb |
Going the other way? Use the Pounds to Ounces converter.
Frequently asked questions
How many pounds are in 1 ounce?
1 ounce is exactly 0.0625 pounds. 1 pound is exactly 0.45359237 kilogram.
How do I convert ounces to pounds?
Divide by 16: pounds = ounces ÷ 16. For example, 40 oz = 2.5 lb.
How many ounces are in 1 pound?
1 pound is exactly 16 ounces. To go the other way, use the pounds to ounces converter.
Is the oz to lb conversion exact?
Yes. 1 pound is exactly 0.45359237 kilogram. The factor 0.0625 follows from the definitions, so the only rounding is in the number of decimals you display.
How do I read the result in pounds and ounces?
The line under the result splits it for you: the whole pounds stay as they are and the decimal part is converted to ounces. For example, 40 oz is 2 lb 8 oz.
Sources
- NIST Special Publication 811, Guide for the Use of the International System of Units, Appendix B.8: Factors for Units Listed Alphabetically — exact factors are printed in bold in the NIST table (checked October 12, 2026)
- NIST Handbook 44 (2026), Appendix C: General Tables of Units of Measurement — US customary units and their exact relationships (checked October 12, 2026)