How the gram price is derived
Although Turkish shops quote per gram, the global market quotes gold in US dollars per troy ounce. One troy ounce equals exactly 31.1034768 grams, so the pure gold (24K) gram price is the ounce price divided by 31.1034768, converted to TRY at the live exchange rate. Lower purities are then a simple multiplication: 22K/916 is the 24K gram price × 0.9167, and 18K is × 0.75.
Turkish gold prices are quoted per gram — "gram altın" is one of the most tracked prices in the country. Gold also trades in traditional Cumhuriyet coin denominations such as çeyrek (quarter), yarım (half), and tam (full), each priced from the same gram benchmark.