## Troy Ounces to Grams Converter

This calculator helps you convert troy ounces to grams.

A **Troy Ounces to Grams **calculator is a tool or calculation method used to convert weight measurements between **troy ounces** and **grams**.

The **troy oz** is a unit of measure that dates back to the Middle Ages and is still widely used in the precious metals industry today. It’s crucial to note that a troy ounce is **different** from the more common **avoirdupois ounce** used in everyday measurements.

A **Troy oz to Grams calculator** allows for **quick and accurate conversions** between these two units of measurement, which is essential for:

**Traders**and**investors**in precious metals**Jewelers**working with gold and silver**Miners**and**refineries**dealing with precious metals**Collectors**of rare coins and bullion

## Troy Ounces to Grams Conversion Formula

The conversion formula from troy ounces to grams is straightforward:

**1 troy ounce = 31.1034768 grams**

To convert troy ounces to grams, you simply **multiply** the number of troy ounces by 31.1034768. Mathematically, this can be expressed as:

**Grams = Troy Ounces × 31.1034768**

To convert grams to troy ounces, you **divide** the number of grams by 31.1034768:

**Troy Ounces = Grams ÷ 31.1034768**

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## How many grams are in a troy?

**One troy ounce is equal to 31.1034768 grams.** This precise figure is crucial when dealing with precious metals, as even small discrepancies can result in significant value differences.

To put this into perspective:

**1 troy ounce**≈ 31.1035 grams (rounded to 4 decimal places)**2 troy ounces**≈ 62.2070 grams**5 troy ounces**≈ 155.5174 grams**10 troy ounces**≈ 311.0348 grams

## Why is a troy ounce 31 grams?

The troy ounce weighs approximately 31 grams due to **historical reasons** and the **evolution of measurement systems**. The troy system of weights originated in **Troyes, France**, during the Middle Ages and was widely adopted for use in trade, particularly for precious metals and gemstones.

Several factors contribute to the specific weight of a troy ounce:

**Historical standardization**: The troy system was developed to ensure consistency in trade, especially for valuable commodities like gold and silver.**Relation to the pound**: In the troy system,**12 ounces**make up one pound, whereas in the avoirdupois system,**16 ounces**make up a pound. This difference contributes to the heavier weight of the troy ounce.**Precision in valuable trades**: The slightly heavier weight of the troy ounce allowed for more precise measurements of precious metals, which was crucial given their high value.**International adoption**: Over time, the troy ounce became the**standard unit**for precious metal trade worldwide, cementing its use and specific weight.

While the exact figure of 31.1034768 grams may seem arbitrary, it’s the result of conversions between different historical systems of measurement and the modern **metric system**.

## How do you calculate troy ounces?

Calculating troy ounces typically involves converting from other units of measurement. Here are some common calculations:

**From grams to troy ounces**:**Divide**the weight in grams by 31.1034768- Example: 100 grams = 100 ÷ 31.1034768 ≈ 3.2151 troy ounces

**From avoirdupois ounces to troy ounces**:**Multiply**the avoirdupois ounces by 28.34952 (to get grams)- Then
**divide**by 31.1034768 - Example: 1 avoirdupois ounce = (1 × 28.34952) ÷ 31.1034768 ≈ 0.9115 troy ounces

**From pounds to troy ounces**:- Convert pounds to avoirdupois ounces (multiply by 16)
- Then follow the above conversion
- Example: 1 pound = 16 × 0.9115 ≈ 14.5833 troy ounces

**From kilograms to troy ounces**:- Convert kilograms to grams (multiply by 1000)
- Then divide by 31.1034768
- Example: 1 kilogram = (1000 ÷ 31.1034768) ≈ 32.1507 troy ounces

## Troy Ounces to Grams Conversion Table

Troy Ounces | Grams (rounded to 4 decimal places) |
---|---|

0.5 | 15.5517 |

1 | 31.1035 |

2.5 | 77.7587 |

5 | 155.5174 |

10 | 311.0348 |

20 | 622.0696 |

50 | 1555.1738 |

100 | 3110.3477 |

To calculate these values, we used the formula:

**Grams = Troy Ounces × 31.1034768**

For example:

**0.5 troy ounces**= 0.5 × 31.1034768 = 15.55173840 ≈ 15.5517 grams**10 troy ounces**= 10 × 31.1034768 = 311.0347680 ≈ 311.0348 grams**100 troy ounces**= 100 × 31.1034768 = 3110.3476800 ≈ 3110.3477 grams