What is Currency Converter?
Currency Converter — A Currency Converter is a free tool that calculates how much one currency is worth in another using live exchange rates from global financial markets.
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Convert between 150+ world currencies with live exchange rates updated throughout the day. Supports USD, EUR, GBP, JPY, CAD, AUD, CHF, and crypto pairs with instant recalculation, one-click swap, and no signup required.
Currency Converter: Enter an amount, select your source and target currencies, and get an instant conversion using live exchange rates. Supports 150+ currencies including USD, EUR, GBP, JPY, and crypto pairs. No signup required.
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Use our currency API page for developer integration docs.
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Currency Converter — A Currency Converter is a free tool that calculates how much one currency is worth in another using live exchange rates from global financial markets.
Enter the amount you want to convert in the input field (supports decimals for precise calculations).
Select your source currency (e.g., USD, EUR, GBP) from the dropdown with 150+ supported currencies.
Choose your target currency to see the converted amount and the live exchange rate with last-updated timestamp.
Click the swap button to instantly reverse the conversion and compare the inverse rate.
Use the Top 10 Currencies reference table below for quick cross-rate comparisons.
Travel budgeting — convert hotel, flight, and meal costs into your home currency before booking
Freelance invoicing — verify USD to EUR, GBP to INR, or other cross-border billing rates
E-commerce pricing — compare product costs across Amazon US, UK, JP, and EU marketplaces
International wire transfers — check mid-market rates before sending money via Wise, PayPal, or bank transfer
Import/export cost estimation — calculate landed costs with current forex rates for procurement planning
Crypto-to-fiat reference — quick BTC or ETH to USD/EUR spot rate checks
Currency exchange rates represent the price of one currency expressed in terms of another. The foreign exchange (forex) market is the largest financial market in the world, with over $7.5 trillion traded daily as of 2024. Exchange rates are determined by supply and demand, influenced by factors including interest rate differentials, inflation, trade balances, geopolitical events, and central bank monetary policy. The mid-market rate (also called the interbank rate) is the midpoint between the buy and sell prices — this is the rate our converter uses as a reference. Banks, payment providers, and money transfer services typically add a markup of 1-3% above the mid-market rate.
Currency codes follow the ISO 4217 standard maintained by the International Organization for Standardization. Each code is three letters: the first two represent the country (ISO 3166-1 alpha-2), and the third represents the currency name. For example, USD = US + Dollar, GBP = GB + Pound, JPY = JP + Yen. This standardization ensures consistency across banking systems, trading platforms, and international payment networks like SWIFT.
| Code | Currency | Region |
|---|---|---|
| USD | US Dollar | United States |
| EUR | Euro | Eurozone (20 countries) |
| GBP | Pound Sterling | United Kingdom |
| JPY | Japanese Yen | Japan |
| CAD | Canadian Dollar | Canada |
| AUD | Australian Dollar | Australia |
| CHF | Swiss Franc | Switzerland |
| INR | Indian Rupee | India |
FastTools.store provides real-time currency conversion with accurate exchange rates updated regularly. Our free currency converter supports 100+ currencies and is perfect for travel, business, and personal use. Always verify rates with your bank or exchange service before making transactions.