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Last Updated on December 4, 2023

Gold has been a symbol of wealth, power, and beauty for thousands of years. It remains a sought-after investment option and a popular choice for jewelry.

As a precious metal, it is important to understand how gold is measured and weighed, especially when buying or selling gold. In this article, we will discuss how many grams are in an ounce of gold, the difference between a standard and a troy ounce, and how gold is measured around the world.

We will also provide tips on buying gold safely and why Goldco is our recommended choice for purchasing physical gold and silver.

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How Many Grams Are in an Ounce of Gold?

A troy ounce of gold contains 31.1035 grams. This unit of measurement is widely used in the gold industry and is different from the more commonly used avoirdupois or standard ounce, which contains 28.3495 grams.

What is a Gram?

A gram is a unit of mass in the metric system, defined as one-thousandth of a kilogram. It is the most commonly used unit of mass in everyday life and is used to measure the weight of various items, including food, drugs, and precious metals like gold.

What is a Troy Ounce?

A troy ounce is a unit of mass used specifically for precious metals like gold, silver, and platinum. It is derived from the troy weight system, which dates back to the Middle Ages and was used in various European countries. A troy ounce is slightly heavier than a standard ounce, with one troy ounce equaling 31.1035 grams, while one standard ounce equals 28.3495 grams.

Standard Ounce vs Troy Ounce: What Makes Them Different?

The main difference between a standard ounce and a troy ounce is their weight. A troy ounce is heavier than a standard ounce, with 31.1035 grams in a troy ounce compared to 28.3495 grams in a standard ounce.

The troy ounce is used specifically for precious metals, while the standard ounce is used for everyday measurements and general use.

How is Gold Measured Around the World?

Gold is measured in various ways around the world, depending on the region and its traditions.

In the United States, the United Kingdom, and other countries using the imperial system, gold is usually measured in troy ounces. In countries using the metric system, gold is often measured in grams or kilograms.

However, the troy ounce is still the most widely recognized unit of measurement for gold in the international market.

How Can You Buy Gold Safely?

When buying gold, it’s important to follow these safety tips:

  1. Buy from a reputable dealer: Make sure to purchase gold from a well-established and reputable dealer to avoid scams and counterfeit products.
  2. Verify the purity: Always check the purity of the gold you’re purchasing, which is usually stamped on the item. Pure gold is 24 karats, while other purities range from 10 to 22 karats.
  3. Keep your gold secure: Store your gold in a safe location, such as a home safe or a safety deposit box at a bank.

Why We Recommend Goldco for Buying Physical Gold and Silver

#1 for Gold IRAs
#1 Rated Gold IRA Company
9.8/10Our Score

Goldco has some of the highest marks across the industry for customer service and integrity, including an A+ Rating from the Better Business Bureau.

  • A+ Rating from Better Business Bureau 
  • AAA Rating from Business Consumer Alliance
  • Get up to $10,000 in Free Silver with Qualifying Purchase
  • Easy 3-Step Process to Get Started

"The crew at Goldco are professional and accommodating, extremely helpful and very easy to work with. My service rep, Tony Pino, was always available and willing to answer/explian any questions. Highly recommend them." -Mark G.

Goldco is a leading provider of precious metals IRAs and physical gold and silver. We recommend Goldco because they offer:

  1. Competitive pricing: Goldco offers competitive pricing on gold and silver, ensuring you get the best value for your investment.
  2. Expert guidance: Goldco’s team of experts can help you navigate the process of buying gold and silver, making it a smooth and enjoyable experience.
  3. Secure storage: Goldco provides secure, insured storage options for your precious metals,ensuring your investments are safe and well-protected.
  1. Exceptional customer service: Goldco’s commitment to customer satisfaction is evident in their outstanding customer service, making it easy for you to get the help you need.
  2. Accreditation and reputation: Goldco is accredited by the Better Business Bureau (BBB) and has received numerous positive reviews and testimonials from satisfied customers.

Is Now a Good Time to Buy Gold?

Determining the right time to buy gold depends on various factors, such as your investment goals, risk tolerance, and market conditions.

Gold is typically considered a safe-haven investment during times of economic uncertainty or when other assets, such as stocks and bonds, are underperforming.

It is essential to conduct thorough research and consider speaking with a financial advisor before making any investment decisions.

Some factors to consider when deciding whether to buy gold include:

  1. Diversification: Adding gold to your investment portfolio can help to diversify your holdings and reduce overall risk.
  2. Inflation hedge: Gold is often considered a hedge against inflation, as its value tends to increase when the purchasing power of fiat currencies declines.
  3. Currency fluctuations: Gold can also act as a hedge against currency fluctuations, particularly in times of global economic uncertainty.
  4. Market trends: Monitoring market trends and gold prices can help you identify potential buying opportunities.


In conclusion, understanding the various measurements of gold is crucial when buying or selling the precious metal. A troy ounce of gold contains 31.1035 grams, and this unit of measurement is widely used in the gold industry.

Gold is measured differently around the world, but the troy ounce remains the most recognized unit internationally.

When buying gold, it is essential to purchase from a reputable dealer, verify the purity of the gold, and store it securely. Goldco is our recommended choice for purchasing physical gold and silver, offering competitive pricing, expert guidance, secure storage, exceptional customer service, and an excellent reputation.

Deciding whether now is a good time to buy gold depends on various factors, including your investment goals, risk tolerance, and market conditions.

Conducting thorough research and consulting with a financial advisor can help you make informed decisions about gold investments.