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Gold Calculator

Gold Value Formula:

\[ Value = Weight \times \frac{Karat}{24} \times Spot \]

grams
karat
USD/g

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1. What is Gold Value Calculation?

The gold value calculation determines the monetary worth of gold items based on their weight, purity (karat), and the current market price of gold (spot price). This helps jewelers, investors, and individuals assess the intrinsic value of gold items.

2. How Does the Calculator Work?

The calculator uses the gold value formula:

\[ Value = Weight \times \frac{Karat}{24} \times Spot \]

Where:

Explanation: The formula calculates the pure gold content by multiplying weight by purity fraction (karat/24), then multiplies by the current gold price per gram.

3. Importance of Gold Purity

Details: Gold purity measured in karats determines what percentage of the item is actually gold. 24k is 100% gold, 18k is 75% gold, 14k is 58.3% gold, etc. This significantly affects the item's value.

4. Using the Calculator

Tips: Enter weight in grams, karat value (typically between 10-24), and current spot price in USD per gram. All values must be positive numbers.

5. Frequently Asked Questions (FAQ)

Q1: Why divide karat by 24?
A: This converts the karat measurement into a purity percentage, as 24k represents 100% pure gold.

Q2: Where can I find current spot prices?
A: Spot prices are available from financial news websites, commodity exchanges, and gold market platforms.

Q3: Does this account for craftsmanship value?
A: No, this calculates only the intrinsic gold value. Antique or artistically valuable pieces may be worth more.

Q4: How accurate is this for jewelry?
A: This gives the melt value. Jewelry may have additional alloy metals that affect weight but not gold content.

Q5: Can I use troy ounces instead of grams?
A: You would need to convert the weight to grams (1 troy oz = 31.1035g) or find spot price in troy ounces.

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