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Finance

Historical Currency Converter

Convert a past amount using an exchange rate for a selected historical date.

Daily ECB reference ratesRate date shown with every result

Your financial inputs

Daily reference rates
Choose your currency pair

YOUR FINANCIAL SUMMARY

Your result

Let’s calculate.

Use the Calculate button to see your result.

Reference rates, not a bank quote.

How to use this tool

  1. Enter amount in the source currency, from currency, to currency, requested date.
  2. Select Calculate to view the result.
  3. Check the method and assumptions below before using the result.

The method, explained

Converted historical amount = amount × historical reference rate. The returned observation date is shown separately from the requested date.

A WORKED EXAMPLE

If the historical rate were 0.85 EUR per USD, 200 USD would equal 170 EUR on that reference basis.

What to keep in mind

Dates begin in 1999; coverage varies by currency. Missing dates may use a preceding observation or return an error. This does not adjust for inflation.

Reference: Frankfurter API · European Central Bank reference rates

Common questions

Can I use this as an official tax rate?

Check the rate source and date convention required by your tax authority. This general tool does not choose a legal reporting convention.

What information is sent to the rate provider?

Only the currency pair and requested date. Amounts, fees and comparison prices stay in your browser.

Methodology maintained by ClarityKit. How these tools are built and checked.