Currency Converter Calculator

What this currency converter calculator does

Type an amount, choose two currencies, and the converter shows what that money is worth at today's reference rate. It covers over 160 currencies, from the heavily traded ones such as the US dollar, euro, pound and Indian rupee, to currencies you only meet when a client turns up from somewhere unexpected.

The rate used is the mid-market rate, refreshed once every 24 hours. That is the same benchmark you see quoted in news reports and on financial sites, and it is the number to measure any offer against. If a money transfer service or an airport counter quotes you something meaningfully worse, now you know by how much.

Alongside the result, the converter shows the rate in both directions, so you can see at a glance both what one unit buys and what it costs, and a small table of round amounts — useful when you are pricing work, checking a shopping cart, or doing mental maths on a trip.

Everything happens in your browser. The page fetches a rate table and does the arithmetic locally, so no record of what you converted is sent anywhere.

How to use it

1. Enter an amount. Type any number, with or without commas. The result updates as you type.
2. Choose your currencies. The From list is what you have, the To list is what you want. Both lists show the code and the full currency name so there is no guessing between the several dollars in circulation.
3. Swap in one click. The arrows button between the fields flips the pair, which is handy when you realise you were converting the wrong way round.
4. Use the shortcut chips. Common pairs such as USD to INR and EUR to INR are one tap away.
5. Read the rate line. It shows both directions, so 1 USD equals so many rupees, and 1 rupee equals so many cents.
6. Check when it updated. The timestamp under the result tells you exactly how fresh the rate is. Use Refresh rates to pull the latest table.

What the mid-market rate really is

At any moment, buyers in the currency market are willing to pay one price (the bid) and sellers are asking a slightly higher one (the ask). The midpoint between them is the mid-market rate, sometimes called the interbank rate. It is not a price anyone is offering you personally; it is the fair midpoint that large institutions trade around.

This matters because it is the only neutral reference. Every provider builds their offer by taking the mid-market rate and adjusting it in their favour. A service that advertises "zero commission" is usually taking its cut inside a worse rate rather than as a separate fee, and the only way to spot that is to compare their number against the mid-market rate. If a transfer service quotes you a rate 3% below what you see here, that 3% is the cost of the deal, whatever the marketing says.

The rates in this tool come from ExchangeRate-API's open feed and update daily. Daily accuracy is right for pricing, budgeting, invoicing estimates and travel planning. If you are actively trading currency, you need a live streaming feed instead, because major pairs move continually through the trading day.

Why your bank quotes you a different number

Three things sit between the mid-market rate and the money that lands in your account.

• The exchange rate margin. The provider gives you a rate worse than mid-market and keeps the difference. High street banks commonly take 2% to 5%. Airport bureaux can take 10% or more. Specialist transfer services typically take under 1%.
• Fixed fees. A flat transfer fee, a SWIFT charge, or an ATM withdrawal fee. These hurt small amounts disproportionately: a fixed fee that is trivial on a large transfer can be 5% of a small one.
• Intermediary and receiving charges. International wires can pass through correspondent banks that each deduct a fee, and the receiving bank may charge as well. This is why a wire sometimes arrives short by an amount nobody quoted you.

To compare providers properly, ignore the headline fee and ask one question: how many units of the destination currency will actually arrive? That single number captures rate margin and fees together, and this converter gives you the benchmark to judge it against.

What moves exchange rates

Currency values shift constantly because a currency's price is just the balance of demand for it against every other currency. The main drivers:

• Interest rates. When a central bank raises rates, assets in that currency pay more, which attracts money and usually strengthens it.
• Inflation. Persistently higher inflation erodes purchasing power and tends to weaken a currency over time.
• Trade balances. A country importing far more than it exports has to sell its own currency to buy foreign goods, applying downward pressure.
• Political and fiscal stability. Capital dislikes uncertainty. Elections, conflict and sudden policy changes move rates quickly.
• Commodity prices. Oil, metals and food prices strongly affect exporters such as Canada, Australia, Norway and the Gulf states, and importers in the opposite direction.
• Central bank intervention. Some countries actively manage or peg their currency, which is why certain rates barely move for years and then jump.

For everyday purposes, the useful lesson is that rates drift. A quote you were given last month is not the quote you will get today, and a contract priced in a foreign currency carries real risk if the amounts are large or the timeline is long.

Currency codes explained

The three-letter codes come from the ISO 4217 standard. The first two letters are usually the country's two-letter code and the third is the first letter of the currency name: US plus Dollar gives USD, IN plus Rupee gives INR, JP plus Yen gives JPY. A few are historical exceptions, such as CHF for the Swiss franc, from Confoederatio Helvetica, and EUR, which belongs to no single country.

Using codes rather than symbols avoids expensive confusion. The dollar sign alone is used by the US, Canada, Australia, Singapore, Hong Kong and many others, and a contract that says "$5,000" without a code is an argument waiting to happen.

Getting the best rate when you travel

• Never change money at the airport. Convenience is priced accordingly, often at 10% or worse below mid-market.
• Always pay in the local currency. When a card machine offers to bill you in your home currency, decline. That option, dynamic currency conversion, lets the merchant's processor set the rate, typically 3% to 8% worse.
• Use a card with no foreign transaction fee. Many travel cards and neobank accounts convert close to mid-market, far better than cash exchange.
• Withdraw larger amounts less often. ATM fees are usually fixed per withdrawal, so five small withdrawals cost five times as much as one.
• Decline the ATM's own conversion offer too. The same dynamic conversion trick appears on withdrawal screens.
• Check the rate before you accept a quote. Open this converter on your phone at the counter. Knowing the benchmark changes the conversation.

Freelancers and businesses taking overseas payments

If you invoice clients abroad, exchange rates are part of your pricing, not an afterthought. A few habits protect your margin:

• Decide which currency you invoice in. Billing in your own currency moves the exchange risk to the client; billing in theirs makes you easier to work with but exposes you to movement between invoice and payment.
• Build a buffer into long contracts. If a retainer runs twelve months in a foreign currency, a few percent of movement is normal and a lot more is possible.
• Compare receiving methods. A traditional bank wire can lose several percent between margin and intermediary fees. Specialist services and multi-currency accounts usually cost far less, though availability depends on your country's rules.
• Record the rate on the invoice date. Your accounts need a consistent basis, and reconstructing rates later is tedious.
• Watch the small transfers. Fixed fees make frequent small payments expensive. Monthly consolidated invoices often beat weekly ones purely on transfer costs.

Mistakes that quietly cost you money

• Comparing fees instead of the amount received. "No fee" transfers frequently cost more than transfers with a visible fee and a better rate.
• Accepting dynamic currency conversion. The single most expensive one-click mistake in travel.
• Assuming a quote holds. Rates quoted for a transfer usually expire within minutes or hours.
• Converting twice. Going from one currency to your home currency and then to a third means paying two spreads. Convert directly where you can.
• Ignoring the receiving bank's charge. Ask what arrives, not what is sent.
• Using a stale rate on an invoice. On a large sum, a rate from three weeks ago can be a meaningful error.

Using rates for invoices, reporting and tax

Daily mid-market rates are the right tool for quoting, budgeting, price display and checking whether an offer is fair. They are not automatically the right tool for statutory reporting. Most tax authorities specify which rate to use and for which date: often the central bank's published reference rate on the transaction date, sometimes a monthly average, and sometimes the rate on the date of payment rather than the invoice.

In India, for example, customs and GST rules refer to specific notified rates, and income tax rules on foreign income have their own basis. In the UK and EU, published central bank or tax authority rates are standard. In the US, the IRS accepts a consistently applied rate but expects you to keep it consistent. The practical advice is the same everywhere: pick the basis your rules require, apply it consistently, and note the rate and date on every foreign-currency document you issue. If you also need to produce those documents, our free invoice generator will build the PDF in any of these currencies.

Frequently asked questions

Convert your amount

Scroll back up, put your number in and pick the pair. Then, before you accept any quote from a bank, card or transfer service, compare what they promise to deliver against the rate shown here. That comparison is usually worth more than the conversion itself. Back to the calculator.