Past-Date Calculator
"How many TL was 10 grams of gold in 2015?" — the answer comes from the official CBRT and ECB reference series since 2005: for currencies, the midpoint of the daily indicative buying and selling rates; for gold, the CBRT monthly average, published a few months in arrears. Each series' publication frequency is stated with the result. This tool is for information only.
This content is for information only; it is not investment advice.
How is it calculated?
Past value = quantity × the official reference value on that date. For currencies, the midpoint of the CBRT's daily indicative buying and selling rates is used; for currencies and dates without a CBRT series, a cross rate calculated from ECB reference rates is used, and the result says so. The series start in 2005.
The gold series (the gram price of gold bullion and the Republic coin) are CBRT monthly averages published a few months in arrears; they give the month's average, not the chosen day's price. Today's equivalent uses the same source's latest published value. Results are nominal lira, not adjusted for inflation.
Worked example
On Jan 2 2015, 1,000 USD = ₺2,347.00 (CBRT Reference (TCMB), daily indicative rate, midpoint of buying and selling). At the same source's latest rate (Nov 3 2026), today it is ₺49,954.35.
A fixed example from the official series: the same date every time the page opens.
Frequently asked questions
From which date can it calculate?
The currency and gold series start in 2005. For some currencies the CBRT series starts later; days before it are calculated from ECB reference rates, or the tool states when the series begins.
Why is the CBRT gold series delayed?
The CBRT's gold bullion and Republic coin series are monthly averages, published a few months after the month ends. If a date after the series' last month is picked, the tool says so; the history of daily market prices is on the gold price history page.
Why does a currency answer use the buy-sell midpoint?
A past value gives one indicative figure per day: the midpoint of the CBRT's buying and selling rates. A day's official buying and selling rates themselves, with the banknote rates, are in the date picker of the CBRT exchange rates page.
What if I pick a weekend or a holiday?
The CBRT publishes no rates on weekends and public holidays. The tool shows the rate of the last publication day before the chosen date and says so with the result.
Does the result account for inflation?
No. The past value is that day's nominal lira amount and today's equivalent is the same quantity's value today; the difference is not adjusted for inflation.