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Currency Converter

Convert between 30 world currencies with live or manual exchange rates. Handles USD, EUR, GBP, JPY, CNY, and more.

100 USD =

90.00 EUR

1 USD =

0.9000 EUR

How to use this converter

  1. Select the currency you are converting from and to using the dropdowns.
  2. Enter the amount you want to convert.
  3. Turn on auto-fetch for the current market rate, or turn it off and enter a custom rate manually.
  4. The converted amount updates instantly in the result panel.

Popular currency conversions

Understanding Exchange Rates and Currency Conversion

An exchange rate is the price of one currency in terms of another. When EUR/USD = 1.08, one euro buys 1.08 US dollars. Rates move continuously in the foreign exchange market, driven by interest rates, inflation, trade, geopolitics, and flows in capital.

Travelers and businesses care about the mid-market (interbank) rate versus retail rates. Mid-market is the midpoint you often see on data sites; banks and bureaus add a spread. Comparing to mid-market helps judge if a quoted rate is fair.

Practical tips: cards without foreign transaction fees often convert near mid-market; when abroad, pay in the local currency instead of “dynamic” home-currency conversion. For large transfers, specialist brokers may beat bank spreads. Use this tool as a quick estimate, then confirm live rates before big transactions.

Live vs manual rates: live FX feeds can lag, exclude weekends, or reflect interbank mid-market prices—not necessarily the rate a retail kiosk applies. When you need travel budgeting, add a conservative cushion (1–3%) or enter the walk-in rate you actually expect.

Triangular logic: if you know A→USD and USD→B, you can derive A→B. This tool pairs currencies directly; when an API fails, paste a trusted bank rate for seriousness in tax or invoice prep.

Pairs with: percentage calculator for fee impact, loan tools for cross-border mortgages, or compound interest for FX-denominated investments.

Related tools

These free tools pair well with this page — open them in a new tab to finish your workflow.

Frequently Asked Questions

How accurate are the exchange rates?

This tool uses manually entered or estimated rates. For live rates, you should use a financial API such as Open Exchange Rates or the ECB. Exchange rates fluctuate continuously during market hours, so any static rate may differ from the current market rate.

What is the bid-ask spread?

When you exchange currency at a bank or airport, you pay the ask price and receive the bid price. The difference (spread) is the provider's profit margin and can be 1–5% or more. Online services and some debit cards offer tighter spreads.

Why does the EUR/USD rate differ by source?

Different sources quote rates at different times and for different transaction sizes. Interbank rates (used by banks trading with each other) differ from retail rates. Always check the rate and any fees from the specific provider you plan to use.

What is a cross rate?

A cross rate is the exchange rate between two currencies that are both quoted against a common third currency (usually USD). For example, to calculate EUR/JPY, you can divide EUR/USD by JPY/USD.

Can I use this for tax or accounting purposes?

For official tax and accounting purposes, use rates from recognized sources such as your national tax authority, central bank, or a certified financial data provider. Rates from a simple online calculator may not be accepted for official filings.

What does 'base currency' mean?

The base currency is the currency being bought (in a 1:X quote, it is the '1'). The quote currency is the currency used to express the price. For example, in EUR/USD = 1.10, EUR is the base currency and USD is the quote currency — you need 1.10 USD to buy 1 EUR.

Currency Converter | Tools Hub