Convert Ounces to Pounds
1 ounce (oz) equals 0.0625 pounds (lb).
1 oz = 0.0625 lb
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk ounce to pound converter to paste a column from Excel.
How to Convert Ounce to Pound
- 1 oz = 0.0625 lb
- 1 lb = 16 oz
- Example: convert 15 oz to lb: 15 oz = 15 × 0.0625 lb = 0.9375 lb
Reference conditions. oz: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement). lb: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement).
Formula
lb = oz ÷ 16
Derivation from SI units:
- 1 oz = 1/16 lb = 28.349523125 g (exact)
- 1 lb = 0.45359237 kg (exact, 1959 international agreement)
- 1 oz = 0.028349523125 kg ÷ 0.45359237 kg per lb = 0.0625 lb
Both units are defined exactly, so the factor is exact. Ounce definition: ounce; Pound definition: pound.
Worked examples
- A 24 oz parcel weighs 1.5 lb.
24 oz × 0.0625 = 1.5 lb - A 12 oz steak is 0.75 lb.
12 oz × 0.0625 = 0.75 lb
Ounce to Pound conversion table
| Ounces (oz) | Pounds (lb) |
|---|---|
| 0.25 oz | 0.015625 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 |
| 6 oz | 0.375 lb |
| 8 oz | 0.5 lb |
| 10 oz | 0.625 lb |
| 12 oz | 0.75 lb |
| 16 oz | 1 lb |
| 20 oz | 1.25 lb |
| 24 oz | 1.5 lb |
| 32 oz | 2 lb |
| 64 oz | 4 lb |
Where it's used
Ounce totals are converted to pounds for shipping rates and bulk food purchases. Divide by 16.
Ounce to other weight and mass units
| Conversion | 1 oz equals |
|---|---|
| ounce to kilogram | 0.02834952313 kg |
| ounce to gram | 28.34952313 g |
| ounce to milligram | 28349.52313 mg |
| ounce to microgram | 28349523.13 µg |
| ounce to metric ton | 0.00002834952313 t |
| ounce to pound | 0.0625 lb |
| ounce to stone | 0.004464285714 st |
| ounce to short ton | 0.00003125 ton (US) |
| ounce to long ton | 0.00002790178571 ton (UK) |
| ounce to grain | 437.5 gr |
| ounce to troy ounce | 0.9114583333 oz t |
| ounce to carat | 141.7476156 ct |
Frequently asked questions
How do I convert oz to lb?
Divide by 16: 40 oz = 2.5 lb.
How many pounds are in 1 ounce?
1 oz = 0.0625 lb.
How do I convert ounces to pounds?
Multiply the value in oz by 0.0625, or divide it by 16. For example, 15 oz × 0.0625 = 0.9375 lb.
Is the oz to lb conversion exact?
Yes. Both units are defined exactly, and 1 oz is exactly 0.0625 lb.
Sources
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "ounce (avoirdupois) (oz)".
- Guide for the Use of the International System of Units (SI), NIST Special Publication 811, 2008 Edition, National Institute of Standards and Technology , Appendix B.8, "pound (avoirdupois) (lb)".
Last reviewed: . Factors are stored exactly and computed with 50-digit decimal arithmetic. See how we verify conversion factors.
Cite this page
APA
Scientific Converters. (2026, October 15). Convert Ounces to Pounds. Retrieved October 17, 2026, from https://scientificconverters.com/mass/ounces-to-pounds/
IEEE
Scientific Converters, "Convert Ounces to Pounds," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/mass/ounces-to-pounds/