Convert ounces to troy ounces
1 oz = 0.911458333333 ozt — exactly. Both units are defined against the SI, so this factor is a fraction, not an approximation.
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Show this value in all 34 weight & mass units
- Megagrams Mg 0.000 028 349 523 125
- Kilograms kg 0.028 349 523 125
- Hectograms hg 0.283 495 231 25
- Decagrams dag 2.834 952 312 5
- Grams g 28.349 523 125
- Decigrams dg 283.495 231 25
- Centigrams cg 2834.952 312 5
- Milligrams mg 28 349.523 125
- Micrograms µg 28 349 523.125
- Nanograms ng 28 349 523 125
- Picograms pg 28 349 523 125 000
- Tonnes t 0.000 028 349 523 125
- Kilotonnes kt 2.8349523125e-8
- Megatonnes Mt 2.8349523125e-11
- Quintals q 0.000 283 495 231 25
- Carats ct 141.747 615 625
- Pounds lb 0.0625
- Ounces oz 1
- Drams dr 16
- Grains gr 437.5
- Stones st 0.004 464 285 714 29
- Hundredweight (US)s cwt (US) 0.000 625
- Hundredweight (UK)s cwt (UK) 0.000 558 035 714 286
- Short ton (US)s tn 0.000 031 25
- Long ton (UK)s LT 0.000 027 901 785 714 3
- Troy ounces ozt 0.911 458 333 333
- Troy pounds lbt 0.075 954 861 111 1
- Pennyweights dwt 18.229 166 666 7
- Slugs slug 0.001 942 559 385 72
- Atomic mass units u 1.70724818558e+25
- Electron masss mₑ 3.11212306071e+28
- Planck masss mₚ 1 302 567.554 31
- Earth masss M🜨 4.74691455829e-27
- Solar masss M☉ 1.42537272113e-32
Every row is Ounce (oz) converted through the kilogram, in exact rational arithmetic.
How to convert ounces to troy ounces
Multiply the number of ounces by 0.911458333333 to get troy ounces.
Troy ounce: How gold and silver are priced. Heavier than the everyday avoirdupois ounce.
Ounce to Troy ounce conversion table
| Ounces (oz) | Troy ounces (ozt) |
|---|---|
| 1 oz | 0.911 458 33 |
| 2 oz | 1.822 916 7 |
| 3 oz | 2.734 375 |
| 5 oz | 4.557 291 7 |
| 10 oz | 9.114 583 3 |
| 20 oz | 18.229 167 |
| 25 oz | 22.786 458 |
| 50 oz | 45.572 917 |
| 100 oz | 91.145 833 |
| 250 oz | 227.864 58 |
| 500 oz | 455.729 17 |
| 1000 oz | 911.458 33 |
Troy ounce to Ounce conversion table
| Troy ounces (ozt) | Ounces (oz) |
|---|---|
| 1 ozt | 1.097 142 9 |
| 2 ozt | 2.194 285 7 |
| 3 ozt | 3.291 428 6 |
| 5 ozt | 5.485 714 3 |
| 10 ozt | 10.971 429 |
| 20 ozt | 21.942 857 |
| 25 ozt | 27.428 571 |
| 50 ozt | 54.857 143 |
| 100 ozt | 109.714 29 |
| 250 ozt | 274.285 71 |
| 500 ozt | 548.571 43 |
| 1000 ozt | 1097.1429 |
Frequently asked
How many troy ounces are in a ounce?
One ounce equals 0.9114583333 troy ounces (oz → ozt). That figure is exact, not rounded.
How do you convert ounces to troy ounces?
Multiply the number of ounces by 0.911458333333 to get troy ounces.
What is 1 ozt in ounces?
One troy ounce is 1.097142857 ounces.
What is 10 oz in ozt?
10 oz = 9.114 583 3 ozt.
What exactly is a troy ounce?
How gold and silver are priced. Heavier than the everyday avoirdupois ounce.