Finance calculator

Currency Converter by Exchange Rate

Convert between major world currencies with live exchange rates, fallback snapshots, and a selectable 1-year historical exchange-rate chart.

FormulaConverted amount = amount x exchange rate

Formula

Currency conversion formula

Exchange rates change frequently and may differ from bank, card, transfer, and cash-exchange rates. Confirm exact rates before financial transactions.

Converted amount = amount x exchange rate

If 1 USD = 0.86 EUR, then 100 USD converts to about 86 EUR.

SourcesThis profile covers current and historical currency conversion reference data. Current conversions use live no-key exchange-rate APIs with a fallback snapshot, while the historical chart uses Frankfurter for supported currency pairs.

Sources and assumptions

Currency reference source notes

This profile covers current and historical currency conversion reference data. Current conversions use live no-key exchange-rate APIs with a fallback snapshot, while the historical chart uses Frankfurter for supported currency pairs.

Effective year
2026
Last verified
2026-07-09

Exchange rates change frequently and may differ from bank, card, transfer, and cash-exchange rates. Confirm exact rates before financial transactions.

Official and reference sources

Assumptions

  • Displayed exchange rates are reference rates from available providers or a clearly labelled fallback snapshot.
  • Historical charts are available only for currency pairs covered by the no-key historical provider.
  • The selected historical end date and range determine the chart window; provider calendars may skip weekends or holidays.

Not included

  • Bank, card, broker, remittance, cash-exchange, and spread-adjusted execution rates.
  • Unsupported historical currency pairs from the current no-key provider.
  • Trading advice, forward rates, settlement timing, and guaranteed transaction pricing.
FAQ7 common questions for this calculator.

FAQs

Are the currency rates live?+

The converter tries to load live rates from the exchange-rate API. If that fails, it shows a clearly labelled fallback snapshot.

Can I share a currency conversion?+

Yes. The share link includes the amount and selected currencies.

Can I check historical exchange rates?+

Yes. The history chart supports selectable end dates, 1, 3, 6, or 12 month ranges, and individual data points for supported currency pairs.

How does the Currency Converter calculate the result?+

For the Currency Converter, it uses the Currency conversion formula: Converted amount = amount x exchange rate. If 1 USD = 0.86 EUR, then 100 USD converts to about 86 EUR.

What information do I need to use the Currency Converter?+

Enter the amount, source currency, and target currency. The displayed exchange rate is the rate used for the conversion at the time shown.

How accurate is the Currency Converter?+

Currency results are accurate for the displayed exchange rate and amount entered. Actual bank, card, cash, or broker conversions can differ because of spreads, fees, settlement timing, and rate refresh delays.

What should I check before using the Currency Converter result?+

Check the rate timestamp, currency codes, amount, and whether your real provider adds a spread or fixed fee. For payments or invoices, confirm the rate source required by the agreement.

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Finance guide

How to use the Currency Converter

Convert between major world currencies with live exchange rates, fallback snapshots, and a selectable 1-year historical exchange-rate chart. The page also explains the currency conversion formula and shows a practical example: If 1 USD = 0.86 EUR, then 100 USD converts to about 86 EUR.

  1. 1

    Enter your details

    Enter the source value, then choose the units or values you want to convert.

  2. 2

    Check the calculation

    Review the result alongside the currency conversion formula: Converted amount = amount x exchange rate.

  3. 3

    Compare scenarios

    Change one or more inputs to see how they affect the currency Converter result before you use the estimate.