Currency Converter calculator.
Convert live exchange rates across major world currencies using a free API, with examples, rate explanations, and FAQ.
Use the Currency Converter.
Results update automatically as you type. No account is required.
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About this calculator
The currency converter helps you quickly estimate how much one currency is worth in another. Enter an amount, choose the currency you want to convert from, select the target currency, and the calculator instantly returns the converted amount using a free live exchange-rate source. This makes it useful for travel planning, international shopping, invoicing, subscriptions, investing research, and everyday budgeting.
Exchange rates represent the relative value of one currency compared with another. For example, if 1 US dollar equals 0.92 euros, then 100 US dollars converts to about 92 euros. Currency values move over time because of interest rates, inflation, central bank policy, trade flows, market demand, geopolitical events, and investor sentiment.
How the conversion works
The basic formula is:
Converted amount = amount × exchange rate
If the live rate from USD to EUR is 0.9184, then:
100 USD × 0.9184 = 91.84 EUR
Most exchange-rate APIs provide a base currency and a list of rates relative to that base. This page requests live rates from a free public source and updates the result in your browser without requiring an account.
Popular uses for a currency converter
| Use case | Why it helps | Example |
|---|---|---|
| Travel budgeting | Estimate spending before a trip | Convert hotel or meal costs into your home currency |
| Online shopping | Compare foreign prices quickly | Check whether an item priced in EUR is cheaper than a USD listing |
| Freelance invoices | Understand client payments | Convert GBP invoice totals into your local currency |
| Business estimates | Plan international payments | Convert supplier pricing from CNY, EUR, or AED |
| Market research | Benchmark prices globally | Compare product costs across countries |
Supported currencies
This converter includes a broad set of major currencies such as USD, EUR, GBP, JPY, CAD, AUD, CHF, CNY, INR, BRL, MXN, SGD, HKD, NZD, SEK, NOK, DKK, PLN, CZK, HUF, ZAR, AED, SAR, TRY, KRW, THB, MYR, IDR, PHP, ILS, RON, BGN, and ISK.
Important notes about exchange rates
The calculator shows a reference conversion rate, which is excellent for planning and estimation. However, the exact amount you pay or receive in real life may differ because banks, card issuers, payment processors, and money-transfer services often apply additional spreads, commissions, or foreign transaction fees.
Some services also use delayed or provider-specific rates. If you need a final payment amount for a transfer, purchase, or settlement, confirm the exact rate and fee structure with the service provider handling the transaction.
Worked examples
Example 1: Travel.
Suppose a hotel room costs 250 EUR and the EUR → USD rate is 1.09. Then 250 × 1.09 = 272.50 USD. That helps you estimate your travel budget in advance.
Example 2: Shopping.
If a product costs 8,000 JPY and the JPY → GBP rate is 0.0052, the price is about 41.60 GBP.
Example 3: Business invoice.
If you invoice a client for 1,500 GBP and want the amount in CAD at 1 GBP = 1.72 CAD, then 1,500 × 1.72 = 2,580 CAD.
FAQ
How does the currency converter work?
Enter an amount, choose the currency to convert from and the one to convert to, and the calculator multiplies the amount by the latest available exchange rate. This page uses a free live exchange-rate API and also includes a fallback rate table for reliability.
Where do the exchange rates come from?
The page requests rates from a free public exchange-rate source. On this page, the live data comes from Frankfurter, which is suitable for everyday currency conversions and quick estimates.
Which currencies are supported?
The converter supports many widely used currencies including USD, EUR, GBP, JPY, CAD, AUD, CHF, CNY, INR, BRL, MXN, SGD, HKD, SEK, NOK, PLN, AED, SAR, ZAR, TRY and more.
How often are the rates updated?
Reference-rate APIs are commonly updated on a regular schedule, often daily. The exact timing depends on the data source. These rates are useful for budgeting and estimation, though your provider may apply different final rates.
Why is my bank or card total different?
Banks and payment services may add a spread, conversion markup, or foreign transaction fee. The calculator gives you a strong reference estimate, but not necessarily the exact charged total.
Can I use this on mobile?
Yes. The calculator is responsive and works on phones, tablets, and desktop browsers. The decorative currency mockup is hidden on mobile and tablet to keep the page clean and readable.
Is this currency converter free?
Yes. All PRECISR calculators are free to use and no account is required.