Convert Pounds to Troy Ounces
1 pound (lb) equals 14.58333333 troy ounces (oz t).
1 lb = 14.58333333 oz t
Type in either box. Scientific notation works: 1.5e-3.
Converting a list? Use the bulk pound to troy ounce converter to paste a column from Excel.
How to Convert Pound to Troy Ounce
- 1 lb = 14.58333333 oz t
- 1 oz t = 0.06857142857 lb
- Example: convert 15 lb to oz t: 15 lb = 15 × 14.58333333 oz t = 218.75 oz t
Reference conditions. lb: Avoirdupois system: 1 lb = 16 oz = 7000 grains = 0.45359237 kg exactly (1959 agreement).
Formula
oz t = lb × 14.58333333333
Derivation from SI units:
- 1 lb = 0.45359237 kg (exact, 1959 international agreement)
- 1 oz t = 480 gr = 31.1034768 g (exact)
- 1 lb = 0.45359237 kg ÷ 0.0311034768 kg per oz t = 14.58333333333 oz t
Both units are defined exactly, so the factor is exact. Pound definition: pound; Troy Ounce definition: troy ounce.
Worked examples
- A reading of 20 lb converts to 291.6666667 oz t.
20 lb × 14.58333333 = 291.6666667 oz t - A value of 140 lb is 2041.666667 oz t.
140 lb × 14.58333333 = 2041.666667 oz t
Pound to Troy Ounce conversion table
| Pounds (lb) | Troy Ounces (oz t) |
|---|---|
| 0.25 lb | 3.645833333 oz t |
| 0.5 lb | 7.291666667 oz t |
| 1 lb | 14.58333333 oz t |
| 2 lb | 29.16666667 oz t |
| 3 lb | 43.75 oz t |
| 5 lb | 72.91666667 oz t |
| 10 lb | 145.8333333 oz t |
| 15 lb | 218.75 oz t |
| 20 lb | 291.6666667 oz t |
| 25 lb | 364.5833333 oz t |
| 30 lb | 437.5 oz t |
| 40 lb | 583.3333333 oz t |
| 50 lb | 729.1666667 oz t |
| 100 lb | 1458.333333 oz t |
| 120 lb | 1750 oz t |
| 130 lb | 1895.833333 oz t |
| 140 lb | 2041.666667 oz t |
| 150 lb | 2187.5 oz t |
| 160 lb | 2333.333333 oz t |
| 170 lb | 2479.166667 oz t |
| 180 lb | 2625 oz t |
| 200 lb | 2916.666667 oz t |
| 220 lb | 3208.333333 oz t |
| 250 lb | 3645.833333 oz t |
| 300 lb | 4375 oz t |
Where it's used
Pounds are used for body weight and food in the US, while troy ounces appear in gold, silver and platinum prices. Both measure mass (commonly called weight), so the conversion is a fixed factor.
Pound to other weight and mass units
| Conversion | 1 lb equals |
|---|---|
| pound to kilogram | 0.45359237 kg |
| pound to gram | 453.59237 g |
| pound to milligram | 453592.37 mg |
| pound to microgram | 453592370 µg |
| pound to metric ton | 0.00045359237 t |
| pound to ounce | 16 oz |
| pound to stone | 0.07142857143 st |
| pound to short ton | 0.0005 ton (US) |
| pound to long ton | 0.0004464285714 ton (UK) |
| pound to grain | 7000 gr |
| pound to troy ounce | 14.58333333 oz t |
| pound to carat | 2267.96185 ct |
Frequently asked questions
How many troy ounces are in 1 pound?
1 lb = 14.58333333 oz t.
How do I convert pounds to troy ounces?
Multiply the value in lb by 14.58333333. For example, 15 lb × 14.58333333 = 218.75 oz t.
Is the lb to oz t conversion exact?
Yes. Both units are defined exactly, so the ratio is exact; its decimal form does not terminate and is shown here to 10 significant figures (more with the precision selector).
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, "pound (avoirdupois) (lb)".
- 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 (troy or apothecary)".
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 Pounds to Troy Ounces. Retrieved October 17, 2026, from https://scientificconverters.com/mass/pounds-to-troy-ounces/
IEEE
Scientific Converters, "Convert Pounds to Troy Ounces," scientificconverters.com. Accessed: Oct. 17, 2026. [Online]. Available: https://scientificconverters.com/mass/pounds-to-troy-ounces/