Gold Karat Calculator
Calculate gold purity, fineness and pure gold content from karat and gold weight.
Calculate Gold Karat & Purity
Select a gold karat and enter the weight to calculate purity, fineness and estimated pure gold content.
Gold Karat Calculator
GoldPriceBD's Gold Karat Calculator helps users understand the relationship between gold karat, purity, fineness and gold weight.
Gold karat indicates the proportion of pure gold in an alloy. A higher karat generally represents a higher proportion of pure gold.
The calculator supports common karat values including 24K, 22K, 21K, 20K, 18K, 14K, 10K, 9K and 8K.
Users can enter weight in grams, kilograms, tola, bhori or troy ounces. The calculator converts the selected weight to grams before estimating pure gold content.
Results are mathematical estimates based on the selected karat and entered weight. Actual gold composition may vary depending on the alloy and product.
Frequently Asked Questions
What does gold karat mean?
Gold karat indicates how much pure gold is present in a gold alloy. Pure gold is represented as 24K.
How pure is 22K gold?
22K gold contains approximately 91.67% pure gold and has a fineness of about 916.7.
How pure is 18K gold?
18K gold contains approximately 75% pure gold and has a fineness of 750.
What is gold fineness?
Fineness expresses gold purity as parts per thousand. For example, 22K gold corresponds to approximately 916.7 fineness.
Does higher karat mean purer gold?
Yes. Within the standard karat system, a higher karat represents a greater proportion of pure gold.
Can I use tola or bhori as the weight?
Yes. The calculator supports grams, kilograms, tola, bhori and troy ounces.
Does this calculator calculate gold price?
No. This calculator estimates gold purity and pure gold content. It does not calculate the market price of gold.
Is 24K gold completely pure?
24K represents the highest karat category and is commonly treated as pure gold for calculation purposes. Commercial products may have very small impurities.
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