Foreign Exchange Rate Calculator
Use this calculator to quickly convert an amount from one currency to another based on a specified exchange rate.
function calculateExchangeRate() {
var amountToConvert = parseFloat(document.getElementById("amountToConvert").value);
var sourceCurrencyCode = document.getElementById("sourceCurrencyCode").value.toUpperCase();
var targetCurrencyCode = document.getElementById("targetCurrencyCode").value.toUpperCase();
var exchangeRate = parseFloat(document.getElementById("exchangeRate").value);
var resultDiv = document.getElementById("exchangeResult");
if (isNaN(amountToConvert) || amountToConvert <= 0) {
resultDiv.innerHTML = "Please enter a valid amount to convert.";
return;
}
if (sourceCurrencyCode.trim() === "") {
resultDiv.innerHTML = "Please enter a source currency code.";
return;
}
if (targetCurrencyCode.trim() === "") {
resultDiv.innerHTML = "Please enter a target currency code.";
return;
}
if (isNaN(exchangeRate) || exchangeRate <= 0) {
resultDiv.innerHTML = "Please enter a valid exchange rate.";
return;
}
var convertedAmount = amountToConvert * exchangeRate;
resultDiv.innerHTML = "
" + amountToConvert.toFixed(2) + " " + sourceCurrencyCode + " is equal to
" + convertedAmount.toFixed(2) + " " + targetCurrencyCode + ".";
}
.foreign-exchange-calculator-container {
font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
background-color: #f9f9f9;
padding: 25px;
border-radius: 10px;
box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
max-width: 600px;
margin: 30px auto;
border: 1px solid #e0e0e0;
}
.foreign-exchange-calculator-container h2 {
color: #2c3e50;
text-align: center;
margin-bottom: 20px;
font-size: 1.8em;
}
.foreign-exchange-calculator-container p {
color: #34495e;
line-height: 1.6;
margin-bottom: 15px;
}
.calculator-form .form-group {
margin-bottom: 18px;
}
.calculator-form label {
display: block;
margin-bottom: 8px;
color: #34495e;
font-weight: bold;
font-size: 0.95em;
}
.calculator-form input[type="number"],
.calculator-form input[type="text"] {
width: calc(100% – 20px);
padding: 12px;
border: 1px solid #ccc;
border-radius: 6px;
font-size: 1em;
box-sizing: border-box;
transition: border-color 0.3s ease;
}
.calculator-form input[type="number"]:focus,
.calculator-form input[type="text"]:focus {
border-color: #007bff;
outline: none;
box-shadow: 0 0 5px rgba(0, 123, 255, 0.2);
}
.calculator-form button {
display: block;
width: 100%;
padding: 12px 20px;
background-color: #007bff;
color: white;
border: none;
border-radius: 6px;
font-size: 1.1em;
cursor: pointer;
transition: background-color 0.3s ease, transform 0.2s ease;
margin-top: 20px;
}
.calculator-form button:hover {
background-color: #0056b3;
transform: translateY(-2px);
}
.calculator-result {
margin-top: 25px;
padding: 15px;
background-color: #e9f7ef;
border: 1px solid #d4edda;
border-radius: 8px;
text-align: center;
font-size: 1.15em;
color: #155724;
font-weight: bold;
}
.calculator-result .error {
color: #721c24;
background-color: #f8d7da;
border-color: #f5c6cb;
padding: 10px;
border-radius: 5px;
}
.foreign-exchange-calculator-container h3 {
color: #2c3e50;
margin-top: 30px;
margin-bottom: 15px;
font-size: 1.5em;
}
.foreign-exchange-calculator-container ul {
list-style-type: disc;
margin-left: 20px;
color: #34495e;
margin-bottom: 20px;
}
.foreign-exchange-calculator-container ul li {
margin-bottom: 8px;
line-height: 1.5;
}
Understanding Foreign Exchange Rates
Foreign exchange rates, often abbreviated as FX rates, represent the value of one currency in relation to another. Essentially, it tells you how much of one currency you can get for a unit of another currency. These rates are constantly fluctuating due to a myriad of global economic, political, and social factors.
How Exchange Rates Work
An exchange rate is typically quoted as a pair, for example, USD/EUR 0.92. This means that 1 US Dollar (USD) is equivalent to 0.92 Euros (EUR). The first currency in the pair (USD) is known as the base currency, and the second currency (EUR) is the quote or counter currency. When you see a rate, it indicates how much of the quote currency is needed to buy one unit of the base currency.
Factors Influencing Exchange Rates
- Interest Rates: Higher interest rates can attract foreign investment, increasing demand for a currency and thus its value.
- Inflation: Countries with consistently lower inflation rates tend to see their currency's value appreciate, as purchasing power is maintained.
- Economic Performance: A strong economy, indicated by factors like GDP growth, employment rates, and trade balances, generally leads to a stronger currency.
- Political Stability: Geopolitical events, government policies, and political stability can significantly impact investor confidence and currency values.
- Speculation: Traders and investors often buy or sell currencies based on their expectations of future movements, which can create short-term fluctuations.
Why Use a Foreign Exchange Calculator?
A foreign exchange calculator is an invaluable tool for various individuals and businesses:
- Travelers: To estimate how much local currency they will receive for their home currency.
- International Shoppers: To understand the true cost of goods purchased from foreign websites.
- Businesses: For budgeting, invoicing, and managing international transactions.
- Investors: To assess the impact of currency fluctuations on their international investments.
- Remittances: To calculate the exact amount received by beneficiaries in another country.
Example Calculation:
Let's say you want to convert 500 British Pounds (GBP) to Japanese Yen (JPY). You find that the current exchange rate is 1 GBP = 185.50 JPY.
Using the calculator:
- Amount in Source Currency: 500
- Source Currency Code: GBP
- Target Currency Code: JPY
- Exchange Rate: 185.50
The calculation would be: 500 GBP * 185.50 JPY/GBP = 92,750 JPY
The calculator would show that 500 GBP is equal to 92,750.00 JPY.