Table Of Contents
Ounces to troy ounce Conversion
1 ounces (oz) is equal to 0.9114583333 troy ounce (oz t).
1 oz = 0.9114583333 oz t
or
1 oz t = 1.097142857 oz
Formula
To convert a mass from ounces (oz) to troy ounce (oz t), divide the mass in ounces by 1.097142857
m(oz t) = m(oz) / 1.097142857
Examples:
Convert 2 ounces to troy ounce:
m(oz t) = 2oz / 1.097142857 = 1.822916667 oz t
Conversion table
| Ounces (oz) | Troy ounce (oz t) |
|---|---|
| 1 oz | 0.911458333 oz t |
| 2 oz | 1.822916667 oz t |
| 3 oz | 2.734375 oz t |
| 4 oz | 3.645833333 oz t |
| 5 oz | 4.557291667 oz t |
| 8 oz | 7.291666667 oz t |
| 10 oz | 9.114583333 oz t |
| 12 oz | 10.9375 oz t |
| 16 oz | 14.583333333 oz t |
| 20 oz | 18.229166667 oz t |
| 25 oz | 22.786458333 oz t |
| 50 oz | 45.572916667 oz t |
| 100 oz | 91.145833333 oz t |
| 250 oz | 227.864583333 oz t |
| 500 oz | 455.729166667 oz t |
| Troy ounce (oz t) | Ounces (oz) |
|---|---|
| 1 oz t | 1.097142857 oz |
| 2 oz t | 2.194285714 oz |
| 3 oz t | 3.291428571 oz |
| 4 oz t | 4.388571429 oz |
| 5 oz t | 5.485714286 oz |
| 8 oz t | 8.777142857 oz |
| 10 oz t | 10.971428571 oz |
| 12 oz t | 13.165714286 oz |
| 16 oz t | 17.554285714 oz |
| 20 oz t | 21.942857143 oz |
| 25 oz t | 27.428571429 oz |
| 50 oz t | 54.857142857 oz |
| 100 oz t | 109.714285714 oz |
| 250 oz t | 274.285714286 oz |
| 500 oz t | 548.571428571 oz |
Frequently asked questions
How do I convert ounces to troy ounce?
Divide the value in ounces by 1.097142857 to get the result in troy ounce. For example, 5 oz ÷ 1.097142857 = 4.557291667 oz t.
How many troy ounce are in 1 ounces?
1 ounces (oz) is equal to 0.911458333 troy ounce (oz t).
How do I convert troy ounce back to ounces?
Use the inverse operation: multiply the value in troy ounce by 1.097142857 to get the result in ounces.
How accurate is the ounces to troy ounce conversion?
The converter multiplies by the conversion factor 1.097142857 and rounds the result to 9 decimal places by default. You can increase or reduce the precision with the digits option on this page.
Sources
Conversion factors are based on internationally recognised standards:
- BIPM — The International System of Units (SI Brochure, 9th edition)
- ISO 80000-4:2019 — Quantities and units — Part 4: Mechanics
- NIST Handbook 44, Appendix C — General Tables of Units of Measurement (current edition)
- NIST Guide to the SI (SP 811), Appendix B.9: Factors for units listed by kind of quantity or field of science
- Circular of the Bureau of Standards No. 43: The Metric Carat (1st edition, issued November 1, 1913)
