Mortgage Calculator
Our calculator shows you what a mortgage costs, shows what your repayments will be weekly, fortnightly and monthly and shows the total costs of repaying your mortgage
Updated 5 April 2021
How to use our mortgage calculator:
- Enter the amount you wish to borrow ('Mortgage Amount')
- Slide or enter the number of years you want your mortgage ('Loan Length)
- Adjust the interest rate to match the market
- Select how you often you wish to make repayments - i.e. monthly, fortnightly or weekly
Mortgage Calculator
Mortgage Amount
Mortgage Payment
Mortgage Amount
Total Interest
Total Cost
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Mortgage Amount
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Total Interest
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Total Cost
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Our calculations are based on the assumption that you make the same fixed mortgage repayment for the entire loan period, the interest rate does not increase or decrease, you don't miss any repayment deadlines, overpay or underpay.
Ready to Re-Mortgage or Apply for a Home Loan?
Consider a Mortgage Broker - They Usually Save Time and Money
Mortgage brokers are popular and don't charge a fee. Their service goes beyond what a bank offers by comparing a number of lenders to find the best deal for your circumstances.
We've shortlisted top-rated mortgage brokers who go the distance for their clients in select cities around New Zealand:
We've shortlisted top-rated mortgage brokers who go the distance for their clients in select cities around New Zealand:
Q: How much should I borrow to buy a house?
A: General practice suggests spending no more than 25% to 30% of your monthly pre-tax income on your mortgage. For example, if you earn $80,000 a year, that's around $1,667 to $2,000 per month. This leaves you money for essential expenses and everyday items, such as living costs, house repairs and insurance, council rates bills, utilities and any body corporate charges. Check our how much can I borrow mortgage affordability calculator for more details.
- Our guide to mortgages explains everything you need to know to make the right decision and has a list of best-buy deals.
- Read our guides covering essential tips for buying a house, KiwiSaver HomeStart Grant and KiwiSaver First-Home Withdrawal.
- Saving money on house insurance is easy with our house insurance guide.
- Know how to boost your credit score to get the best deals on other loans
- Ready to make a move? Our best mortgage rates guide has the latest deals from the banks.
