How it works

Every rate here comes from the European Central Bank, which publishes reference rates for the euro against 30 major currencies each working day at around 16:00 CET. Intramate mirrors that file on its own server once a day, so your browser never has to contact a third-party rates provider.

Because the ECB quotes everything against the euro, any other pair is worked out by going through it: result = amount × rateto ÷ ratefrom. Converting US dollars to Australian dollars means asking how many euros a dollar is worth, then how many Australian dollars that buys.

Worked example

If one euro buys 1.1681 US dollars and 1.6437 Australian dollars, then one US dollar is worth 1.6437 ÷ 1.1681 = 1.4072 Australian dollars. So $500 US converts to about A$703.60.

Reference rates are not retail rates

ECB reference rates are the mid-market benchmark — the midpoint between what banks buy and sell at. They are the honest number to plan with, but nobody hands them to a consumer. Expect a bank or card issuer to add roughly 0.5% to 3%, and an airport bureau de change to add a great deal more. Use this to sanity-check a quote, not to predict it exactly.

Frequently asked questions

Are these the rates my bank will give me?
No. These are ECB reference rates — the mid-market benchmark. Banks, card issuers and travel money desks add a margin on top, typically 0.5% to 3%, and sometimes a fixed fee as well.

How often do the rates update?
Once per working day. The ECB publishes around 16:00 CET on business days, so the figures do not move over weekends or on ECB holidays. The rate date is shown under the result.

Does this send my numbers anywhere?
No. The page downloads one small rates file from intramate.com and does every calculation in your browser. The amounts you type are never transmitted, stored or logged.