Online Gold Value Calculator
Grams
Troy Ounces
Ounces (Avoirdupois)
Karat
Percentage (%)
per Gram
per Troy Ounce
per Ounce (Avoirdupois)
Estimated Gold Value:
Understanding Your Gold's Worth with an Online Calculator
Whether you're looking to sell old jewelry, invest in bullion, or simply curious about the value of your gold possessions, an online gold calculator is an indispensable tool. It helps you quickly estimate the monetary worth of your gold based on its weight, purity, and the current market price.
How Does the Gold Calculator Work?
This calculator takes three primary inputs to determine the value of your gold:
- Gold Weight: This is the total weight of your gold item. Common units include grams, troy ounces, and standard ounces (avoirdupois). It's crucial to use the correct unit as they have different conversions. For instance, a troy ounce (used for precious metals) is heavier than a standard ounce.
- Gold Purity: Gold purity is measured in karats (K) or as a percentage. Pure gold is 24 Karat (24K) or 99.9% pure. Most jewelry is not 24K as pure gold is too soft; common purities include 22K (91.6% pure), 18K (75% pure), 14K (58.3% pure), and 10K (41.7% pure). The calculator uses this to determine the actual amount of pure gold in your item.
- Current Market Price: This is the fluctuating price of pure gold on the global market. It's typically quoted per gram, per troy ounce, or per standard ounce. For an accurate calculation, you should input the most up-to-date spot price of gold.
Key Terms Explained:
- Karat (K): A unit of purity for gold alloys. 24K is pure gold. An 18K gold item contains 18 parts gold and 6 parts other metals (18/24 = 75% pure).
- Percentage Purity: Directly expresses the proportion of pure gold, e.g., 99.9% pure gold.
- Gram (g): A metric unit of mass, commonly used for smaller gold items.
- Troy Ounce (ozt): A unit of mass equal to approximately 31.1035 grams. It is the standard unit for weighing precious metals.
- Ounce (oz) / Avoirdupois Ounce: A standard unit of mass in the imperial system, equal to approximately 28.3495 grams. This is the common ounce used for most goods, but not for precious metals.
- Spot Price: The current market price at which an asset (like gold) can be bought or sold for immediate delivery.
How to Use This Calculator:
- Enter Gold Weight: Input the total weight of your gold item. Select the correct unit (Grams, Troy Ounces, or Ounces).
- Specify Gold Purity: Enter the karat value (e.g., 22 for 22K) or the percentage (e.g., 91.6 for 91.6%). Select the corresponding unit.
- Input Market Price: Find the current spot price of gold from a reliable source (e.g., financial news websites, bullion dealers). Enter this price and select the unit it's quoted in (per Gram, per Troy Ounce, or per Ounce).
- Click "Calculate": The calculator will then display the estimated value of your gold.
Important Considerations:
The value provided by this calculator is an estimate of the melt value of the pure gold content. When selling gold, especially jewelry, factors like craftsmanship, brand, and gemstone value are not included in this calculation. Dealers also typically offer a price below the spot price to cover their overheads and profit margins. Market prices for gold fluctuate constantly, so the value can change rapidly.