⚖️ Ounces to Troy Ounces Converter

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1 ounce =
0.911458 troy ounces
1 troy ounce =
1.09714 ounces
Formula
oz t = oz × 0.911458
Handy values
5 oz = 4.55729 oz t · 10 oz = 9.11458 oz t · 100 oz = 91.1458 oz t

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⚡ Ounces to Troy Ounces: the quick answer

1 oz = 0.911458 oz t 1 ounce equals 0.911458 troy ounces

To convert ounces to troy ounces, multiply the value by 0.911458. To go the other way, multiply troy ounces by 1.09714 to get ounces.

↔ Convert troy ounces to ounces instead

🧮 Formula

Ounces to Troy Ounces
oz t = oz × 0.911458
Troy Ounces to Ounces
oz = oz t × 1.09714

Where

  • oz = the weight in ounces
  • oz t = the weight in troy ounces
Every unit here is defined by its weight in kilograms, so the conversion factor is (kilograms per ounce) ÷ (kilograms per troy ounce).

📊 Ounces to Troy Ounces conversion table

Ounces (oz)Troy Ounces (oz t)
1 oz0.911458 oz t
2 oz1.82292 oz t
3 oz2.73438 oz t
4 oz3.64583 oz t
5 oz4.55729 oz t
6 oz5.46875 oz t
7 oz6.38021 oz t
8 oz7.29167 oz t
9 oz8.20313 oz t
10 oz9.11458 oz t
12 oz10.9375 oz t
14 oz12.7604 oz t
15 oz13.6719 oz t
20 oz18.2292 oz t
21 oz19.1406 oz t
24 oz21.875 oz t
25 oz22.7865 oz t
30 oz27.3438 oz t
40 oz36.4583 oz t
50 oz45.5729 oz t
60 oz54.6875 oz t
75 oz68.3594 oz t
80 oz72.9167 oz t
100 oz91.1458 oz t
200 oz182.292 oz t
250 oz227.865 oz t
300 oz273.438 oz t
400 oz364.583 oz t
500 oz455.729 oz t
750 oz683.594 oz t
1,000 oz911.458 oz t

✏️ Worked examples

Convert 25 ounces to troy ounces

25 oz × 0.911458 = 22.7865 oz t

Try this example →

Convert 250 ounces to troy ounces

250 oz × 0.911458 = 227.865 oz t

Try this example →

📘 About these units

Ounce (oz). The ounce is 1/16 of a pound (28.3495 g), used for food and parcels in the US and UK.

Troy ounce (oz t). The troy ounce (31.1035 g) is the international unit for gold, silver and platinum prices.

❓ Frequently asked questions

How many troy ounces are in one ounce?

There are 0.911458 troy ounces in one ounce.

How do I convert ounces to troy ounces?

Multiply the number of ounces by 0.911458. For example, 10 ounces equal 9.11458 troy ounces.

How many ounces are in one troy ounce?

One troy ounce equals 1.09714 ounces.

How many troy ounces is 12 ounces?

10.9375 troy ounces. Other common values: 5 ounces = 4.55729 troy ounces and 100 ounces = 91.1458 troy ounces.

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