Question 1

Where do the exchange rates come from?

Accepted Answer

Live rates from the European Central Bank's daily reference rates, fetched directly when you load the page or change currencies.

Question 2

How often do the rates update?

Accepted Answer

The ECB publishes reference rates once each euro-area business day, typically around 16:00 CET — they don't move intraday like a trading platform's live feed would.

Question 3

Why is the trend chart sometimes missing data points?

Accepted Answer

The chart shows the last 30 calendar days, but the ECB doesn't publish rates on weekends or euro-area holidays, so those days are naturally absent from the series.

Question 4

Can I convert between any two currencies, not just to or from EUR?

Accepted Answer

Yes — pick any "from" currency and any "to" currency. The underlying rates are sourced relative to EUR internally, but the tool handles the cross-rate math for you.

Question 5

What does the percentage next to the trend chart mean?

Accepted Answer

How much the exchange rate has moved from the start to the end of the 30-day window shown. Green means your "from" currency has strengthened against the "to" currency over that period (each unit converts to more than it did 30 days ago); red means it has weakened. It's the change over the whole window, not a daily or annualized rate.

Question 6

What do the 30d low and 30d high figures mean?

Accepted Answer

The lowest and highest exchange rate seen anywhere in the last 30 days of data, not just the first and last day — useful for seeing how much the rate has swung around even if it ended up close to where it started.

Question 7

What happens if the rate lookup fails?

Accepted Answer

You'll see a warning with a "Try again" button — if you'd already loaded rates before the failure, those last-known values stay on screen so the tool doesn't go blank.

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