Currency Converter
Convert between 35+ world currencies with reverse rates, common pairs, and modes built for travelers and freelancers — plus a clear explanation of why your bank gives you a different number.
Converted amount
$100.00 Euro
- Exchange rate
- 1 USD = 0.920000 EUR
- Reverse rate
- 1 EUR = 1.0870 USD
Historical trend
30-day chart for USD/EUR — coming soon.
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Common pairs
What an exchange rate actually is
An exchange rate is the price of one currency in terms of another. When you see 1 USD = 0.92 EUR, one US dollar can be exchanged for 92 euro cents on the global currency market. Rates move every second based on supply, demand, and what traders expect to happen next.
The number you see here is a reference rate: a clean mid-market value that sits between what buyers and sellers are willing to accept. It's the rate news sites quote — but not the rate you'll get at the airport.
Why exchange rates change
- Interest rates. Higher rates attract foreign capital, strengthening the currency.
- Inflation. Currencies that lose purchasing power tend to fall against more stable ones.
- Trade balance. Net exporters generally see steady demand for their currency.
- Politics & risk. Elections, conflict, and policy shifts move money quickly.
- Speculation. Even rumors of any of the above can shift rates within minutes.
Why your bank's rate is different
Banks, card networks, and money apps don't trade on the mid-market rate. They add a small markup — usually 0.5% to 4% — and may add a flat fee on top. The rate you actually pay is the reference rate plus that spread.
For a $1,000 transfer, a 2.5% spread quietly costs you around $25. Always compare the effective rate (what you receive divided by what you sent) against the reference rate above.
A simple example
You're sending $500 USD to a friend in Europe. The reference rate is 1 USD = 0.92 EUR.
Mid-market amount: 500 × 0.92 = €460.00
Your bank quotes 0.895 (a 2.7% spread) and a $4 fee. They send (500 − 4) × 0.895 ≈ €443.92.
That's about €16 less than the mid-market figure — a hidden cost of roughly 3.5%.
Traveler tips
- Always pay in the local currency — never let a card terminal convert for you (DCC).
- Withdraw larger amounts less often to dilute fixed ATM fees.
- Carry a small buffer in cash for tips, taxis, and places that don't take cards.
- Use a card with no foreign transaction fees if you can.
Freelancer tips
- Quote in the client's currency to remove their conversion friction.
- Compare wire, multi-currency accounts, and PSPs for each invoice size.
- Watch for monthly subscription FX markups inside payout platforms.
- Hold a small buffer in your billing currency to smooth volatility.
Online shopper tips
- Check whether the merchant or your card does the conversion — pick yours.
- Watch out for sites that show local prices but charge in their home currency.
- Refunds use the rate at the moment of refund, not purchase. Plan for slippage.
- Some cards rebate FX fees on travel and online purchases.
Remittance tips
- Always compare the effective rate, not just the headline fee.
- Larger transfers usually get tighter spreads — batch when possible.
- Bank wires are slow and expensive; specialist providers are usually faster and cheaper.
- Confirm both sides' identity requirements before sending.
Related currency tools
Source & methodology
Rates shown are reference mid-market values maintained by the Calcxo editorial team and last reviewed on Apr 21, 2025. They're suitable for estimation, comparison, and learning — not for executing trades or finalizing payments.
Popular currency pairs
Reference rates only. Calcxo's currency converter is provided for information and education. Rates shown are mid-market values and do not reflect the margins, fees, or spreads applied by banks, brokers, or money transfer services. Always check the actual rate from your provider before sending money or making financial decisions.