Currency Converter FAQ
General Questions
What currencies does this converter support?
The currency converter currently supports conversions between US Dollars (USD) and Euros (EUR). You can convert in both directions - from USD to EUR and EUR to USD.
How accurate are the exchange rates?
Exchange rates are fetched from the Frankfurter API and are updated automatically every minute. While these rates are intended to be accurate, they should be used for informational purposes only and not for actual currency transactions.
Can I switch between USD to EUR and EUR to USD?
Yes, you can easily switch the conversion direction by clicking the switch button (arrow icon) in the top right corner of the converter. This will automatically recalculate your conversion using the current exchange rate.
Features
What historical data is available?
The converter provides historical exchange rate data that can be viewed in different time ranges:
- 1 Day
- 5 Days
- 1 Month
- 1 Year
- 5 Years
- Maximum available period
What information is shown in the conversion tables?
There are two conversion tables showing:
- Common USD denominations ($1, $2, $5, $10, $20, $50, $100) converted to EUR
- Common EUR denominations (€5, €10, €20, €50, €100, €200, €500) converted to USD
How is the historical data displayed?
Historical data is displayed in an interactive line chart. You can:
- View trends over different time periods
- Hover over the chart to see specific rates for any given date
- See the exchange rate trends visualized with a blue line
Technical Details
How often are the exchange rates updated?
Exchange rates are automatically refreshed every 60 seconds (1 minute). The last update time is displayed below the current rate.
What happens if the exchange rate service is unavailable?
If the Frankfurter API service is unavailable, the converter will:
- Continue to function using the last known exchange rate
- Generate mock data for the historical chart to maintain functionality
- Display a notification about the service interruption
What format should I use when entering amounts?
You can enter numbers with or without decimal points. The converter will automatically:
- Accept only valid numerical inputs
- Format the converted amount to two decimal places
- Update the conversion in real-time as you type
Usage Tips
How can I get the most accurate conversion?
For the most accurate conversion:
- Wait for the latest rate update (shown in "Last updated" timestamp)
- Enter the exact amount you want to convert
- Use the real-time conversion rather than the preset denominations table
Where can I see the complete exchange rate?
The current exchange rate is displayed with:
- Two decimal places in bold
- Additional decimal places in gray for more precise rate information
Can I use this for business transactions?
This converter is designed for informational purposes only. For actual currency transactions, please:
- Consult your bank or financial institution
- Use official exchange services
- Be aware that actual transaction rates may differ from displayed rates
Important Notes
Disclaimer
The exchange rates and conversions provided are for informational purposes only and should not be relied upon for actual currency transactions. Actual exchange rates may vary depending on the financial institution and type of transaction.
Data Source
All exchange rate data is provided by the Frankfurter API service. Historical data and current rates reflect the information available through this service.