1 ounce to troy ounces
1 oz = 0.91145833 oz t. Change the amount below, or read the formula and the reference table further down.
1 ounce equals
troy ounces
1 oz = 0.91145833 oz t
The formula
Ounces and troy ounces both measure weight & mass from the same zero, so a single multiplier does the job.
oz t = oz × 0.9114583333
Going the other way? Convert troy ounces to ounces.
Ounces to troy ounces table
Values either side of 1 oz.
| Ounces (oz) | Troy ounces (oz t) |
|---|---|
| -4 | -3.6458 |
| -3.5 | -3.1901 |
| -3 | -2.7344 |
| -2.5 | -2.2786 |
| -2 | -1.8229 |
| -1.5 | -1.3672 |
| -1 | -0.911458 |
| -0.5 | -0.455729 |
| 0 | 0 |
| 0.5 | 0.455729 |
| 1 | 0.911458 |
| 1.5 | 1.3672 |
| 2 | 1.8229 |
| 2.5 | 2.2786 |
| 3 | 2.7344 |
| 3.5 | 3.1901 |
| 4 | 3.6458 |
| 4.5 | 4.1016 |
| 5 | 4.5573 |
| 5.5 | 5.013 |
| 6 | 5.4688 |
Questions people ask
- How many troy ounces are in a ounce?
- One ounce equals 0.9114583333 troy ounces.
- How do I convert ounces to troy ounces by hand?
- Multiply the number of ounces by 0.9114583333. For a rough check, 0.911 is close enough for most everyday use.
- What is 1 ounce in troy ounces?
- 1 ounce is 0.91145833 troy ounces.
Calcuit generates this page from a unit table, so the factors here match every other page on the site.