Home Loan Repayment Calculator

Use our Home Loan Repayment Calculator to estimate your monthly mortgage repayments, total interest costs, and the full amount you’ll repay over the life of your home loan. Whether you’re buying your first home, upgrading, or refinancing an existing property, this tool helps you understand how your loan structure affects overall affordability.

To begin, enter your loan amount, deposit or upfront contribution (if any), interest rate, and loan term in years. The calculator will immediately show your estimated monthly repayments, total repayment amount, and the interest component. This helps you assess how different loan options may align with your financial goals and budget.

Your loan repayments depend on several key factors, including the total amount borrowed, the loan term, interest rate, and deposit size. A longer term typically results in lower monthly repayments but higher interest over time. A shorter term or lower rate will reduce both the interest and total cost of the loan. Increasing your deposit reduces the principal and can lead to substantial savings over the life of the mortgage.

This free New Zealand home loan calculator is ideal for comparing scenarios, planning ahead, and gaining clarity around your financial obligations. You don’t need to enter personal or property details, and all calculations are instant and obligation-free. Explore how changes to interest rates, loan terms, or deposit amounts affect your repayments and make informed decisions with confidence.