How do I calculate my mortgage repayments in NZ?

Use our Repayment Frequency Comparison calculator — enter your loan balance, interest rate and term to see weekly, fortnightly and monthly repayments side by side.

How much can I borrow for a mortgage in New Zealand?

Our Borrowing Power Calculator estimates your maximum loan based on your gross annual income, existing debts, number of dependants, and the current interest rate. It applies a simplified affordability model — always confirm with a mortgage adviser.

How much KiwiSaver can I withdraw for a first home?

After contributing to KiwiSaver for at least 3 years, you can typically withdraw your full balance minus a $1,000 minimum. Use our KiwiSaver First Home Withdrawal Estimator to see your eligible amount.

What is a good rental yield in New Zealand?

A gross rental yield of 4–6% is generally considered reasonable in NZ, though this varies by region. Use our Rental Yield Calculator to calculate both gross and net yield after rates, insurance, maintenance and property management fees.

How do I calculate a mortgage break fee in NZ?

Break fees are estimated using the difference between the wholesale rate when you fixed and the current wholesale rate, multiplied by your balance and remaining term. Use our Break Fee Estimator for a rough figure — always get an exact quote from your bank.

What is LVR and how does it affect my mortgage?

LVR (Loan to Value Ratio) is your loan amount divided by the property value. In NZ, most banks require a 20% deposit (80% LVR) for owner-occupiers. Our Borrowing Power Calculator lets you model different LVR scenarios.

How much equity can I unlock from my NZ property?

Use our Equity Unlock Calculator — enter your estimated property value and outstanding mortgage to see how much equity you could access at 70% and 80% LVR. Lenders will also assess income and credit before approving any equity release.

What is a good rental yield in NZ?

A gross yield of 5-7% is generally considered reasonable. Net yields are typically 1-2 percentage points lower.

What is the difference between gross and net yield?

Gross yield is annual rent divided by property value. Net yield subtracts all operating expenses.

How do I calculate rental yield?

Gross: (Annual Rent / Property Value) x 100. Net: ((Annual Rent - Expenses) / Property Value) x 100.

Are expenses tax deductible?

Interest deductibility has changed significantly. As of 2026 it is largely deductible again — confirm with a tax adviser.

NZ Rental Yield Calculator — Gross and Net

💰

True Cost of Selling

See exactly what you'll net after agent fees, legal costs and your mortgage payout.

▼

Estimated Sale Price ($)

Agent Commission (%)

Legal Fees ($)

Marketing Budget ($)

Moving Costs ($)

Staging Costs ($)

Outstanding Mortgage Balance ($)

Cost Breakdown

Gross Sale Price—

Agent Commission—

Legal Fees—

Marketing—

Moving Costs—

Staging Costs—

Total Selling Costs—

Mortgage Payout—

Net Proceeds—

🏠

Rental Yield Calculator

Calculate gross and net rental yield plus annual income after operating costs.

▼

Property Value ($)

Weekly Rent ($)

Annual Rates ($)

Annual Insurance ($)

Annual Maintenance ($)

Property Management (% of rent)

Gross Yield

—

Annual rent ÷ value

Net Yield

—

After all costs

Annual Net Income

—

Before tax

Deductions

Annual Gross Rent—

Rates—

Insurance—

Maintenance—

Property Management—

Annual Net Income—

📊

Interest Rate Stress Test

See how your repayments change if rates rise — before they do.

▼

Loan Balance ($)

Current Interest Rate (%)

Remaining Loan Term (years)

Stress Test Rate (% above current)

Repayment Frequency

Repayment Comparison

Current Rate Repayment—

Stress Test Rate—

Stress Test Repayment—

Extra per period—

Extra per year—

💳

Repayment Frequency Comparison

Compare weekly, fortnightly and monthly repayments — and see how much you save.

▼

Loan Balance ($)

Interest Rate (%)

Loan Term (years)

Frequency Comparison

Frequency	Repayment	Total Interest	Total Cost
Weekly	—	—	—
Fortnightly	—	—	—
Monthly	—	—	—

Interest saved (weekly vs monthly)—

🥝

KiwiSaver First Home Withdrawal Estimator

Estimate how much of your KiwiSaver balance you can use toward your first home.

▼

Current KiwiSaver Balance ($)

Years Contributing

Estimated Member Tax Credits to Date ($)

Withdrawal Estimate

Current Balance—

Minimum Retained ($1,000)$1,000

Estimated Withdrawable Amount—

Enter your balance and years contributing to see your estimate.

💹

Deposit Progress Tracker

Know exactly when you'll hit your deposit target based on your current savings rate.

▼

Target Property Price ($)

Target Deposit (%)

Current Savings ($)

Monthly Savings ($)

Expected Annual Return on Savings (%)

Progress Summary

Deposit Target—

Current Savings—

Gap to Target—

Estimated months to goal—

Estimated years to goal—

Projected target date—

🏦

Borrowing Power Calculator

Get a rough estimate of your maximum borrowing capacity before you talk to a lender.

▼

Gross Annual Income ($)

Existing Debt Repayments ($/month)

Number of Dependants

Estimated Interest Rate (%)

Loan Term (years)

LVR — Loan to Value Ratio (%)

Max Borrowing

—

Estimated maximum loan

Required Deposit

—

At selected LVR

Max Purchase Price

—

Loan + deposit

Indicative Monthly Repayment—

Indicative Weekly Repayment—

This is a simplified estimate only. Lenders apply their own affordability assessments under CCCFA guidelines, using a higher test rate, specific living cost benchmarks and credit history. Always confirm with a mortgage adviser or lender.

⚖️

Legal and Due Diligence Cost Estimator

Understand the upfront costs beyond your deposit — before you go unconditional.

▼

Purchase Price ($)

Property Type

LIM Report Needed?

Builder's Report Needed?

Estimated Costs

Lawyer Fees (conveyancing)—

LIM Report—

Builder's Report—

Loan Registration Fee—

Total Estimated Range—

These are indicative estimates only. Actual costs vary by lawyer, region and property complexity. Always get quotes from your own solicitor before proceeding.

💔

Break Fee Estimator

Get a rough sense of what it could cost to break your fixed rate early.

▼

Outstanding Loan Balance ($)

Your Current Fixed Rate (%)

Wholesale Rate When You Fixed (%)

Current Wholesale Rate (%)

Months Remaining on Fixed Term

Estimated Break Fee—

⚠️ This is an approximation only. Actual break fees are calculated by your lender using their own wholesale rate data and methodology, and may differ significantly. Always get a break fee quote directly from your bank before making any decisions.

✂️

Mortgage Split Calculator

Model the blended rate and repayments for a fixed/floating split structure.

▼

Total Loan Amount ($)

Fixed Portion (%)

Fixed Rate (%)

Floating Rate (%)

Loan Term (years)

Fixed Portion

—

Floating Portion

—

Blended Rate

—

Combined Repayments

Weekly—

Fortnightly—

Monthly—

Annual Interest Cost—

🔄

Refix Comparison Tool

Compare up to three fixed terms and floating — and find the lowest-cost option over two years.

▼

Outstanding Balance ($)

Remaining Loan Term (years)

Option 1 — Rate (%) / Term

Option 1 Term (years)

Option 2 — Rate (%)

Option 2 Term (years)

Option 3 — Rate (%) (optional)

Option 3 Term (years)

Floating Rate (%) (optional)

2-Year Interest Cost Comparison

Monthly Repayment Comparison

Option	Rate	Term	Monthly Repayment	2yr Interest

📈

Overpayment Impact Calculator

See how much time and interest you save by paying a little extra each period.

▼

Current Loan Balance ($)

Interest Rate (%)

Remaining Loan Term (years)

Extra Repayment Frequency

Extra Repayment Amount ($)

Time Saved

—

Off your loan term

Interest Saved

—

Total over life of loan

New Payoff Date

—

Original payoff date—

Base repayment (selected frequency)—

New repayment with extra—

🔑

Equity Unlock Calculator

Find out how much equity you could access for renovations, investment or other goals.

▼

Estimated Property Value ($)

Outstanding Mortgage Balance ($)

Current LVR

—

Usable Equity (80%)

—

Usable Equity (70%)

—

Property Value—

Outstanding Mortgage—

Total Equity (value − mortgage)—

80% LVR ceiling—

Accessible equity at 80% LVR—

Usable equity is the amount you could potentially borrow against your property without exceeding a given LVR. Lenders will assess serviceability, credit and other factors before approving any equity release. This figure is an estimate only.

NZ Rental Yield Calculator

HomeCalcs

Know your numbers
before you make your move

Property Owner Calculators

True Cost of Selling

Rental Yield Calculator

Interest Rate Stress Test

Repayment Frequency Comparison

First Home Buyer Calculators NZ

KiwiSaver First Home Withdrawal Estimator

Deposit Progress Tracker

Borrowing Power Calculator

Legal and Due Diligence Cost Estimator

Mortgage Refinancing Calculators NZ

Break Fee Estimator

Mortgage Split Calculator

Refix Comparison Tool

Overpayment Impact Calculator

Equity Unlock Calculator

Frequently Asked Questions

NZ Rental Yield Calculator

Know your numbersbefore you make your move

Property Owner Calculators

True Cost of Selling

Rental Yield Calculator

Interest Rate Stress Test

Repayment Frequency Comparison

First Home Buyer Calculators NZ

KiwiSaver First Home Withdrawal Estimator

Deposit Progress Tracker

Borrowing Power Calculator

Legal and Due Diligence Cost Estimator

Mortgage Refinancing Calculators NZ

Break Fee Estimator

Mortgage Split Calculator

Refix Comparison Tool

Overpayment Impact Calculator

Equity Unlock Calculator

Frequently Asked Questions

Know your numbers
before you make your move