The gold calculator turns a weight and a karat into an Egyptian pound figure using the live market price. The arithmetic is simple and worth knowing, because it lets you check any shop's quote in seconds: value = (24K price per gram × purity ratio) × weight, then add workmanship and the dealer's margin.
24K is treated as 0.999 pure, 22K as 0.9167, 21K as 0.8750, 18K as 0.7500 and 14K as 0.5833. Multiplying the live 24K gram price by these ratios gives the metal value of each karat. Egyptian shops use exactly this arithmetic before adding their own charges, which is why our figures line up closely with counter prices.
Jewelry carries a labor charge on top of the metal. The Egyptian market average on standard 21K is roughly 4.45%, but hand-crafted or branded pieces are quoted per gram instead — commonly EGP 50 to 250 per gram. Workmanship is not recoverable when you sell: a dealer buys back metal, not craftsmanship, so treat it as a cost of ownership rather than part of your investment.
Egyptian dealers quote two numbers. The sell price is what you pay for new gold; the buy price is what they pay you. The gap — around 3.11% on average across large Cairo and Alexandria dealers — is the spread. To estimate what your piece is worth today, price it at the buy side and ignore the workmanship you originally paid.
For a 12 g 21K bracelet: metal value = 24K gram price × 0.875 × 12. Add roughly 4.45% workmanship to get the shop's asking price. To estimate resale, take the same metal value and subtract the dealer spread. The difference between those two numbers is the real cost of buying and immediately reselling jewelry — usually 7-8% of the ticket.
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