Gypes

Official daily reference-rate converter

Currency converter

Convert between 30 major currencies using the latest available European Central Bank reference rates and a clearly displayed publication date.

Loading the latest ECB reference rates…

Rates are requested directly from the European Central Bank Data Portal. The request exposes standard network information such as your IP address to the ECB service but sends no amount or selected currencies.

Convert with a dated official reference-rate set

The converter retrieves the ECB’s latest available daily foreign-exchange reference rates and performs cross-rate arithmetic through the euro. If the ECB reports 1.1377 US dollars and 0.85388 pounds per euro, for example, the USD-to-GBP rate is 0.85388 divided by 1.1377. The displayed result includes the observation date so an apparently precise number is never separated from its data period.

Reference rates are not bank or card quotes

The ECB describes these figures as informational averages of buying and selling rates. A bank, card network, money-transfer provider, ATM, broker, or cash exchange can use a different live market rate and add spreads, commissions, fixed charges, or taxes. Weekend and holiday results normally use the most recent working-day publication rather than an intraday price.

Coverage is intentionally limited to current ECB currencies

The tool includes the euro and the current major currencies present in the official daily set. It does not invent rates for cryptocurrencies, discontinued currencies, pegged tokens, or unsupported markets. No amount or currency selection is sent to the ECB—the arithmetic happens in this browser after the reference-rate CSV is received.

Reconcile the estimate with the actual transaction

Record the source amount, both currencies, displayed rate, observation date, and estimated result. Then obtain the provider’s quoted destination amount for the same source amount. The difference can reflect a newer market price, the provider’s exchange-rate spread, a fixed fee, or a percentage charge. If a $5 fee is taken before conversion, subtract it from the source amount first; if the fee is charged separately, do not subtract it twice. This makes the comparison about the complete transaction rather than one displayed rate.

A useful arithmetic check is to reverse the selected currencies and multiply the two displayed reference rates; rounding aside, the product should be close to one. If rates fail to load, the date is unsuitable, or the currency is absent, stop rather than substituting an undated value. Save the institution’s final quote for any payment or accounting record.

Use this result for general estimation, not settlement, accounting, tax reporting, investment execution, invoicing, or a guaranteed cash amount. Confirm the actual rate, fees, timing, and terms with the institution completing the transaction.