Troy Ounce to Ounce Conversion Calculator: Free Online Tool
Convert troy ounces to ounces with our free online weight converter.
Troy Ounce to Ounce Calculator
How to Use the Calculator:
- Enter the value you want to convert in the 'From' field (Troy Ounce).
- The converted value in Ounce will appear automatically in the 'To' field.
- Use the dropdown menus to select different units within the Weight category.
- Click the swap button (⇌) to reverse the conversion direction.
How to Convert Troy Ounce to Ounce
Converting Troy Ounce to Ounce involves multiplying the value by a specific conversion factor, as shown in the formula below.
Formula:
1 Troy Ounce = 1.09714 ounces
Example Calculation:
Convert 5 troy ounces: 5 × 1.09714 = 5.4857 ounces
Note: Conversion factors can sometimes be rounded for display purposes. For precise calculations, always use the full factor or rely on the calculator above.
What is a Troy Ounce and a Ounce?
The troy ounce (oz t) is a unit of mass traditionally used for precious metals (like gold, silver, platinum) and sometimes gemstones. It is defined as exactly 31.1034768 grams.
The ounce (oz) is a unit of mass used in the British imperial and United States customary systems of measurement. The most common type today is the international avoirdupois ounce, defined as exactly 1/16 of an avoirdupois pound, or approximately 28.35 grams.
Note: The Troy Ounce is part of the imperial/US customary system, primarily used in the US, UK, and Canada for everyday measurements. The Ounce belongs to the imperial/US customary system.
History of the Troy Ounce and Ounce
The troy weight system likely originated in Troyes, France, a major trading town in the Middle Ages. It became a standard in England for precious metals and coinage. Unlike the more common avoirdupois ounce (approx. 28.35 g), the troy ounce persists in the precious metals market.
The term "ounce" derives from the Roman "uncia", which was one-twelfth of the Roman pound. Its value varied throughout history and regions. The avoirdupois ounce became standardized in the English-speaking world for general trade.
Common Uses for troy ounces and ounces
Explore the typical applications for both Troy Ounce (imperial/US) and Ounce (imperial/US) to understand their common contexts.
Common Uses for troy ounces
- Precious Metals: The standard unit for quoting prices and weighing gold, silver, and platinum bullion (bars, coins).
- Gemstones: Sometimes used, although carat is more common for individual stones.
Common Uses for ounces
- Cooking & Recipes: Standard unit in the US for measuring food ingredients like flour, sugar, spices, and non-liquid items in recipes.
- Packaged Foods: Used for labeling the net weight of many packaged food products (e.g., cereal boxes, canned goods, snacks).
- Postal Services: Used for determining the weight and cost of letters and small parcels, especially in the US.
- Deli & Groceries: Common unit for measuring small portions of items like cheese, deli meats, and specialty foods.
- Precious Metals: Often used to measure the weight of gold, silver, and other precious metals in jewelry and bullion.
Frequently Asked Questions
Questions About Troy Ounce (oz t)
Is a troy ounce the same as a regular ounce?
No. A troy ounce (approx. 31.10 g) is heavier than an avoirdupois ounce (the common "ounce" used for food, etc., approx. 28.35 g).
How many troy ounces are in a troy pound?
There are 12 troy ounces in one troy pound (which is lighter than an avoirdupois pound).
How many grams are in a troy ounce?
There are exactly 31.1034768 grams in 1 troy ounce.
About Ounce (oz)
How many ounces are in a pound?
There are 16 avoirdupois ounces (oz) in 1 pound (lb).
Is an ounce the same as a fluid ounce?
No. The ounce (oz) measures mass/weight, while the fluid ounce (fl oz) measures volume.
Where is the ounce commonly used?
It is primarily used in the United States for everyday measurements, and to some extent in the UK and Canada, though metric units are more prevalent globally.
Conversion Table: Troy Ounce to Ounce
Troy Ounce (oz t) | Ounce (oz) |
---|---|
1 | 1.097 |
5 | 5.486 |
10 | 10.971 |
25 | 27.429 |
50 | 54.857 |
100 | 109.714 |
500 | 548.571 |
1,000 | 1,097.143 |