Australian Dollar (AUD)
US Dollar (USD)
Euro (EUR)
British Pound (GBP)
New Zealand Dollar (NZD)
Japanese Yen (JPY)
Canadian Dollar (CAD)
Singapore Dollar (SGD)
Australian Dollar (AUD)
US Dollar (USD)
Euro (EUR)
British Pound (GBP)
New Zealand Dollar (NZD)
Japanese Yen (JPY)
Canadian Dollar (CAD)
Singapore Dollar (SGD)
Telegraphic Transfer (Online)
Foreign Cash (Branch)
International Draft
Estimated Conversion Result
*Note: This calculator uses indicative market rates for demonstration purposes. Actual Westpac rates may include different spreads, fees, or margins depending on the time of transaction and market volatility. Always check Westpac Live for real-time executable rates.
Understanding Westpac Foreign Exchange Rates
When planning international transfers or travel, understanding how banks like Westpac calculate exchange rates is crucial for financial planning. Whether you are sending money overseas via Telegraphic Transfer (TT) or purchasing foreign cash for a holiday, the exchange rate applied determines exactly how much foreign currency you receive for your Australian Dollars (AUD).
Spot Rates vs. Board Rates
Major banks typically use different rate structures depending on the transaction type. "Spot rates" are generally used for large commercial transactions and are closer to the live interbank market rate. However, for personal banking, such as travel money or online international payments, "Board Rates" are applied. These rates include a margin (spread) added by the bank to cover costs and market risks. This calculator simulates this effect by applying a typical bank spread to mid-market indicators.
Telegraphic Transfers (TT) vs. Foreign Cash
You will often notice two different exchange rates for the same currency pair:
Telegraphic Transfer (TT) Rate: Used when sending money electronically from your Westpac account to an overseas bank account. This rate is usually more favorable than the cash rate because it involves less physical handling cost.
Notes/Cash Rate: Used when you physically buy or sell foreign currency banknotes at a branch. This rate typically has a wider spread (meaning it is more expensive) to account for the logistics of shipping, storing, and insuring physical cash.
Factors That Influence Your Rate
Exchange rates fluctuate constantly due to global economic factors, interest rate decisions by the Reserve Bank of Australia (RBA) and the US Federal Reserve, and geopolitical stability. When using a Westpac exchange rate calculator, keep in mind that rates change every minute during trading hours. For significant transfers, even a small shift in the cent value can impact the total amount received significantly.
Using the International Payments Calculator
To get the best estimate, ensure you select the correct "From" and "To" currencies. If you are converting AUD to USD, you are "selling" AUD. If you are converting foreign income back to AUD, you are "buying" AUD. The bank's "Buy" and "Sell" rates differ. This tool automatically adjusts the calculation based on the direction of your currency flow and applies a simulated margin to provide a realistic expectation of the final amount.
function calculateWestpacExchange() {
// 1. Get Inputs
var amountInput = document.getElementById('amount');
var fromCurrency = document.getElementById('fromCurrency').value;
var toCurrency = document.getElementById('toCurrency').value;
var transferType = document.getElementById('transferType').value;
var resultBox = document.getElementById('resultBox');
var finalResultDisplay = document.getElementById('finalResult');
var rateDetailsDisplay = document.getElementById('rateDetails');
// 2. Validate Amount
var amount = parseFloat(amountInput.value);
if (isNaN(amount) || amount Other), rate goes DOWN (we get less).
// If we are effectively "Buying" AUD (Other -> AUD), we need MORE foreign currency to get 1 AUD.
var baseRate = rates[toCurrency] / rates[fromCurrency];
var customerRate = 0;
if (fromCurrency === toCurrency) {
customerRate = 1;
spread = 0;
} else {
// Apply spread: The bank always takes a cut, so the customer always gets less than the mid-market rate.
customerRate = baseRate * (1 – spread);
}
var resultAmount = amount * customerRate;
// 6. Formatting Results
// Determine decimal places (JPY usually has 0, others 2)
var decimals = (toCurrency === 'JPY') ? 0 : 2;
var formatter = new Intl.NumberFormat('en-US', {
style: 'currency',
currency: toCurrency,
minimumFractionDigits: decimals,
maximumFractionDigits: decimals
});
var formattedResult = formatter.format(resultAmount);
// Format the exchange rate for display (1 FromUnit = X ToUnit)
var rateDisplay = "1 " + fromCurrency + " = " + customerRate.toFixed(4) + " " + toCurrency;
var spreadInfo = "(Includes approx. " + (spread * 100).toFixed(1) + "% margin for " + transferType + ")";
// 7. Display Output
resultBox.style.display = "block";
finalResultDisplay.innerHTML = formattedResult;
rateDetailsDisplay.innerHTML = "Exchange Rate: " + rateDisplay + "" + spreadInfo + "";
}