What is the Borrowing Capacity Calculator NZ 2026?

Calculate how much you can borrow for a New Zealand home loan based on your repayment capacity, interest rate, and loan term. See how a 5%, 10%, and 15% payment increase affects your borrowing power.

Is the Borrowing Capacity Calculator NZ 2026 free to use?

Yes. The Borrowing Capacity Calculator NZ 2026 is free to use on Calculate.co.nz, with no sign-up, paywall or account required.

Is the Borrowing Capacity Calculator NZ 2026 made for New Zealand?

Yes. It is built for New Zealand and uses current New Zealand rules and rates where they apply. Results are indicative estimates and not financial advice.

Borrowing Capacity Calculator

Quick answer: Lenders size your mortgage on your income, expenses, existing debts and a stressed test rate (often around 8 to 9%), within debt-to-income and loan-to-value limits. See how much can I borrow, or enter your figures below.

This borrowing capacity calculator estimates how much you could borrow for a home loan in New Zealand, based on your deposit, expected interest rate, preferred loan term and the repayment you could comfortably afford each week, fortnight or month. Enter your deposit, the interest rate as a percentage, the loan term in years, and the repayment you could manage, and the calculator works backwards from that figure to estimate the property price a lender could theoretically fund. Because a slightly bigger budget can unlock more borrowing power than expected, it also returns three extra results alongside your main figure, showing the property price you could afford if you paid 5%, 10% or 15% more than your chosen repayment. This lets you see how much stretching your budget changes what you could buy. Use it to set a realistic house-hunting budget, test how sensitive your borrowing power is to rate changes, or weigh up whether a higher repayment is worth the risk. Keep in mind that real lenders also test your ability to repay at a higher stressed rate, often around 8 to 9%, and apply debt-to-income and loan-to-value limits, so your actual approval may be lower than shown here. Being conservative with the repayment figure you enter gives a more realistic result. These figures are indicative estimates only, not a substitute for advice from a lender or mortgage adviser.

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Updated April 2026 Current rates and legislation applied.

Enter your information into the calculator below, and push Calculate.

How much is your deposit?

Interest rate (in percent; i.e. 4.5)

What is your preferred loan term?

years

How much could you afford to comfortably pay?

Paying $0 per week you could afford a property costing

Paying an extra 5% per week you could afford a property costing

Paying an extra 10% per week you could afford a property costing

Paying an extra 15% per week you could afford a property costing

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