Convert NZD to Foreign Currency
Convert Foreign Currency to NZD
— Select Currency —
USD – United States Dollar (Approx 0.5950)
AUD – Australian Dollar (Approx 0.9120)
EUR – Euro (Approx 0.5540)
GBP – British Pound (Approx 0.4730)
JPY – Japanese Yen (Approx 90.50)
Selecting a currency fills the "Exchange Rate" field below with an indicative market rate.
Enter the specific rate from the Westpac website if known.
Original Amount:0.00
Exchange Rate Used:0.0000
Converted Amount:0.00
Understanding Westpac NZ Exchange Rates
When transferring money internationally or preparing for travel, understanding how Westpac New Zealand calculates exchange rates is crucial for getting the best value. This calculator helps you estimate the conversion between New Zealand Dollars (NZD) and major world currencies based on standard banking rate formulas.
How the Calculation Works
Currency conversion logic depends on the direction of your transaction. New Zealand banks, including Westpac, typically quote exchange rates as "1 NZD = X Foreign Currency".
Converting NZD to Foreign Currency: If you are sending money overseas or buying travel cash, the math is: Amount (NZD) × Exchange Rate = Foreign Currency Received.
Converting Foreign Currency to NZD: If you are receiving an international payment or selling leftover travel money, the math is: Amount (Foreign) ÷ Exchange Rate = NZD Received.
Telegraphic Transfers vs. Cash Rates
It is important to note that banks offer different rates depending on the transaction method:
Telegraphic Transfer (TT) Rate: This applies to electronic transfers sent via SWIFT. These rates are generally more favorable than cash rates because there is no physical handling of notes involved.
Cash / Notes Rate: This applies when you physically buy or sell foreign currency banknotes at a branch. These rates usually have a wider "spread" (margin) to cover the costs of shipping and securing physical cash.
Factors Influencing the NZD
The exchange rate you see on the Westpac website fluctuates constantly based on global market conditions. Key factors include:
Official Cash Rate (OCR): Changes by the Reserve Bank of New Zealand affect the yield on NZD assets.
Commodity Prices: As a major exporter of dairy, meat, and timber, New Zealand's currency often correlates with global commodity prices.
Global Risk Sentiment: The NZD is often considered a "risk-on" currency, meaning it tends to strengthen when the global economy is optimistic and weaken during times of uncertainty.
Disclaimer: This calculator is for educational and estimation purposes only. It is not directly connected to Westpac NZ's live banking system. Exchange rates change every second during market hours. Please consult the official Westpac NZ website or your online banking platform for the precise, executable rate at the time of your transaction.
// Handles the dynamic label changes based on the user's selected action
function updateLabels() {
var type = document.getElementById('conversionType').value;
var amountLabel = document.getElementById('amountLabel');
if (type === 'nzd_to_foreign') {
amountLabel.innerHTML = "Amount (NZD)";
} else {
amountLabel.innerHTML = "Amount (Foreign Currency)";
}
}
// Pre-fills the rate input based on the dropdown selection
function setRate() {
var preset = document.getElementById('currencyPreset').value;
if (preset) {
document.getElementById('exchangeRate').value = preset;
}
}
// Main Calculation Logic
function calculateExchange() {
// Get input values
var amount = parseFloat(document.getElementById('amount').value);
var rate = parseFloat(document.getElementById('exchangeRate').value);
var type = document.getElementById('conversionType').value;
var resultSection = document.getElementById('result-section');
// Validation: Check for valid numbers
if (isNaN(amount) || amount <= 0) {
alert("Please enter a valid positive amount.");
return;
}
if (isNaN(rate) || rate <= 0) {
alert("Please enter a valid exchange rate.");
return;
}
var convertedAmount = 0;
var originalCurrency = "";
var targetCurrency = "";
// Determine math logic based on direction
// Rate is assumed to be quoted as 1 NZD = X Foreign Currency (Standard NZ convention)
if (type === 'nzd_to_foreign') {
// Formula: NZD * Rate = Foreign
convertedAmount = amount * rate;
originalCurrency = "NZD";
// Try to guess currency symbol from preset, otherwise generic
targetCurrency = "Foreign Currency";
} else {
// Formula: Foreign / Rate = NZD
convertedAmount = amount / rate;
originalCurrency = "Foreign Currency";
targetCurrency = "NZD";
}
// Display Results
resultSection.style.display = "block";
// Format numbers with commas and 2 decimal places
document.getElementById('displayOriginal').innerText = amount.toLocaleString('en-NZ', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + " " + originalCurrency;
document.getElementById('displayRate').innerText = rate.toFixed(4);
document.getElementById('displayConverted').innerText = convertedAmount.toLocaleString('en-NZ', { minimumFractionDigits: 2, maximumFractionDigits: 2 }) + " " + targetCurrency;
}