USD Exchange Rate Calculator
This calculator helps you convert amounts from one currency to another, specifically focusing on the US Dollar (USD) as a reference point. Whether you're traveling, conducting international business, or simply curious about current exchange rates, this tool provides a quick and accurate conversion. Exchange rates fluctuate constantly due to various economic factors, including inflation, interest rates, political stability, and market speculation.
To use the calculator, simply enter the amount you wish to convert, select the currency you are converting *from*, and the currency you are converting *to*. The calculator will then display the equivalent amount in the target currency based on the current exchange rate.
US Dollar (USD)
Euro (EUR)
British Pound (GBP)
Japanese Yen (JPY)
Canadian Dollar (CAD)
Australian Dollar (AUD)
US Dollar (USD)
Euro (EUR)
British Pound (GBP)
Japanese Yen (JPY)
Canadian Dollar (CAD)
Australian Dollar (AUD)
function calculateExchangeRate() {
var amount = parseFloat(document.getElementById("amount").value);
var fromCurrency = document.getElementById("fromCurrency").value;
var toCurrency = document.getElementById("toCurrency").value;
// Real-world exchange rates are dynamic and would typically be fetched from an API.
// For this static example, we'll use some sample rates relative to USD.
var exchangeRates = {
"USD": 1.0,
"EUR": 0.92, // 1 USD = 0.92 EUR
"GBP": 0.79, // 1 USD = 0.79 GBP
"JPY": 157.30, // 1 USD = 157.30 JPY
"CAD": 1.37, // 1 USD = 1.37 CAD
"AUD": 1.50 // 1 USD = 1.50 AUD
};
if (isNaN(amount) || amount <= 0) {
document.getElementById("result").innerHTML = "Please enter a valid positive amount.";
return;
}
var rateFromUsd = exchangeRates[fromCurrency];
var rateToUsd = exchangeRates[toCurrency];
if (rateFromUsd === undefined || rateToUsd === undefined) {
document.getElementById("result").innerHTML = "Invalid currency selected.";
return;
}
// Convert the input amount to USD first
var amountInUsd = amount / rateFromUsd;
// Then convert USD amount to the target currency
var convertedAmount = amountInUsd * rateToUsd;
document.getElementById("result").innerHTML = amount + " " + fromCurrency + " is equal to " + convertedAmount.toFixed(2) + " " + toCurrency;
}