Currency Converter

How Exchange Rates Are Determined

Exchange rates reflect the relative supply and demand for two currencies in the global foreign exchange market. Several key forces move rates continuously:

• Central bank interest rates — Higher rates attract foreign investment, increasing demand for the currency and pushing its value up.
• Inflation — A country with lower inflation tends to see its currency appreciate over time, since its purchasing power erodes more slowly.
• Trade balance — Countries that export more than they import see stronger demand for their currency from foreign buyers paying for those exports.
• Political stability — Uncertainty and instability cause investors to move money out of a currency, weakening it.
• Economic data — GDP growth, employment reports, and consumer confidence figures all trigger short-term rate movements.

The global forex market trades approximately $7.5 trillion per day, making it the world's largest and most liquid financial market.

Understanding the Mid-Market Rate

The mid-market rate — also called the interbank rate or spot rate — is the midpoint between the buy price and sell price of a currency pair at any moment. It's the rate shown on Google Finance, Reuters, and this tool.

When you exchange money at a bank, bureau de change, or airport kiosk, you receive a worse rate than mid-market — typically 2–8% below it. This margin is the provider's profit. A $1,000 exchange at an airport kiosk charging 10% above mid-market costs you $100 in hidden fees you'll never see itemized on a receipt.

Services like Wise (formerly TransferWise) are known for offering rates close to mid-market with a small, transparent fee shown upfront — often significantly cheaper than bank wire transfers for international payments.

Major, Minor, and Exotic Currency Pairs

Currency pairs are grouped by trading volume and composition:

• Major pairs all include the US Dollar and have the highest volume and tightest spreads: EUR/USD, USD/JPY, GBP/USD ("Cable"), USD/CHF, AUD/USD, USD/CAD, NZD/USD.
• Minor pairs (cross pairs) exclude USD but include other major currencies: EUR/GBP, EUR/JPY, GBP/AUD.
• Exotic pairs combine a major currency with an emerging market currency: USD/MXN, USD/TRY, EUR/ZAR. These have wider spreads and greater volatility.

EUR/USD alone accounts for roughly 23% of total daily forex trading volume.

When Exchange Rates Are Most Volatile

Exchange rates move most sharply around major economic announcements. For USD-based pairs, the key events are Federal Reserve interest rate decisions (FOMC meetings), Non-Farm Payroll reports (first Friday of each month), Consumer Price Index (CPI) inflation data, and GDP growth figures. During these releases, rates can shift 0.5–2% within minutes.

If you're exchanging a significant amount of money, be aware of the economic calendar. Exchanges made immediately before or after major data releases carry more risk of getting a worse rate than expected.

Travel Currency Guide

Getting a good exchange rate while traveling requires some advance planning:

• Avoid airport kiosks — they consistently offer the worst rates, often 10–15% below mid-market, counting on captive, time-pressured travelers.
• Use foreign ATMs — your home bank's debit card at a foreign ATM typically gets a rate close to mid-market, minus a foreign transaction fee (usually 1–3%).
• Use no-FX-fee credit cards — cards from Charles Schwab, Capital One, or Chase Sapphire provide rates very close to mid-market with no transaction fee.
• Decline Dynamic Currency Conversion — when a foreign merchant offers to charge you in your home currency, always decline. The rate they use is almost always worse.
• Order foreign currency in advance — online currency services typically offer better rates than walking-in exchanges.

Currency Conversion for International Business

Businesses invoicing internationally deal with FX risk — the possibility that the currency they're paid in loses value before the payment converts. Common strategies include:

• Invoicing in your own currency, shifting the exchange risk to the counterparty.
• Using forward contracts to lock in a rate for a payment due in the future.
• Holding multicurrency accounts to reduce unnecessary conversion roundtrips.
• Using a dedicated business FX provider rather than a retail bank, which often offers significantly better rates at volume.

Highest and Lowest Value Currencies

Currency "strength" by face value doesn't indicate economic health — it reflects historical denomination choices. The highest face-value currencies against USD include:

• Kuwaiti Dinar (KWD) — approximately 3.25 USD per 1 KWD, the world's highest-valued currency.
• Bahraini Dinar (BHD) and Omani Rial (OMR) — both around 2.5–2.6 USD.

The lowest face-value currencies (like the Vietnamese Dong at ~25,000 per USD or the Indonesian Rupiah at ~16,000) are simply the result of never having been redenominated. Japan's yen at ~150/USD doesn't indicate weakness — Japan is the world's fourth-largest economy.

About Our Exchange Rate Data

Rates on this tool are sourced from the Frankfurter API, which draws its data from the European Central Bank's (ECB) official daily reference rates. The ECB publishes rates once per business day for approximately 30 major currencies. Cross rates for other currencies are calculated from these bases.

These rates are informational and suitable for travel budgeting, international price comparisons, and general reference. For large financial transactions, always confirm the exact rate directly with your bank, payment processor, or licensed broker. Exchange rates shown here are not financial advice.